======================================
| [   10.417220][  T199] softirqs last disabled at (41438): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   10.417223][  T199] Preemption disabled at:
| [   10.417223][  T199] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.417232][  T199] Tainted: [W]=WARN
[   10.417233][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.417235][  T199] Call Trace:
[   10.417236][  T199]  <TASK>
[   10.417238][  T199]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.417244][  T199]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.417245][  T199]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.417250][  T199]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.417254][  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)
[   10.417258][  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))
[   10.417260][  T199]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.417267][  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)
[   10.417269][  T199]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.417273][  T199]  put_chars (drivers/char/virtio_console.c:1176)
[   10.417276][  T199]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.417279][  T199]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   10.417284][  T199]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.417288][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.417293][  T199]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.417297][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.417302][  T199]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.417306][  T199]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.417308][  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))
[   10.417311][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.417313][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.417317][  T199]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.417321][  T199]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.417323][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.417328][  T199]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.417331][  T199]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.417333][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.417335][  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)
[   10.417338][  T199]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.417340][  T199]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.417343][  T199]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.417346][  T199]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.417347][  T199]  ? __kernel_text_address (kernel/extable.c:79)
[   10.417350][  T199]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.417353][  T199]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   10.417359][  T199]  dev_vprintk_emit (drivers/base/core.c:5000)
[   10.417364][  T199]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   10.417373][  T199]  dev_printk_emit (drivers/base/core.c:5011)
[   10.417375][  T199]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   10.417379][  T199]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   10.417384][  T199]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   10.417390][  T199]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   10.417393][  T199]  ? netdev_notice (net/core/dev.c:13194)
[   10.417396][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.417399][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.417402][  T199]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.417405][  T199]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.417408][  T199]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   10.417410][  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))
[   10.417414][  T199]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   10.417417][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.417420][  T199]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   10.417425][  T199]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.417428][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.417431][  T199]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.417432][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.417434][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.417436][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.417439][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.417443][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.417445][  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))
[   10.417447][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   10.417451][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.417453][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   10.417455][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.417457][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.417459][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.417460][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.417461][  T199]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.417464][  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)
[   10.417466][  T199]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.417468][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   10.417470][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.417473][  T199]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.417474][  T199]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.417478][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.417482][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.417489][  T199]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   10.417492][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.417493][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.417517][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.417519][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.417522][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.417524][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.417526][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.417531][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.417532][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.417534][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.417536][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.417540][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.417542][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.417545][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.417547][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.417551][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.417553][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.417557][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.417560][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.417563][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.417569][  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))
[   10.417571][  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))
[   10.417576][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.417580][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.417584][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.417587][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.417591][  T199]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.417593][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.417596][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.417601][  T199]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   10.417604][  T199]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   10.417614][  T199]  __sys_sendto (net/socket.c:2281)
[   10.417617][  T199]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   10.417628][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   10.417633][  T199]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   10.417635][  T199]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.417639][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.417641][  T199]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   10.417643][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.417645][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.417648][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.417649][  T199] RIP: 0033:0x7f5b8bac254e
[   10.417653][  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
[   10.417655][  T199] RSP: 002b:00007ffcc7dabbb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   10.417657][  T199] RAX: ffffffffffffffda RBX: 000055a650b75ba0 RCX: 00007f5b8bac254e
[   10.417658][  T199] RDX: 0000000000000030 RSI: 000055a650cf8a30 RDI: 0000000000000012
[   10.417659][  T199] RBP: 00007ffcc7dabbc0 R08: 00007ffcc7dabc10 R09: 0000000000000080
[   10.417660][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000055a650cf8600
[   10.417661][  T199] R13: 00007ffcc7dabcf4 R14: 0000000000000000 R15: 0000000000000000
| [   12.095652][  T199] softirqs last disabled at (319692): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   12.095655][  T199] Preemption disabled at:
| [   12.095655][  T199] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.095664][  T199] Tainted: [W]=WARN
[   12.095665][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.095667][  T199] Call Trace:
[   12.095668][  T199]  <TASK>
[   12.095670][  T199]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.095676][  T199]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.095677][  T199]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.095682][  T199]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.095686][  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)
[   12.095690][  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))
[   12.095692][  T199]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.095699][  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)
[   12.095701][  T199]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.095705][  T199]  put_chars (drivers/char/virtio_console.c:1176)
[   12.095708][  T199]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.095709][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.095713][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.095715][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.095720][  T199]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.095724][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.095729][  T199]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.095732][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.095737][  T199]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.095741][  T199]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.095743][  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))
[   12.095746][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.095748][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.095752][  T199]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.095756][  T199]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.095758][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.095763][  T199]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.095766][  T199]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.095768][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.095770][  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)
[   12.095774][  T199]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.095775][  T199]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.095778][  T199]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.095781][  T199]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.095782][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.095785][  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))
[   12.095790][  T199]  dev_vprintk_emit (drivers/base/core.c:5000)
[   12.095796][  T199]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   12.095801][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.095803][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.095807][  T199]  dev_printk_emit (drivers/base/core.c:5011)
[   12.095810][  T199]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   12.095812][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.095815][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.095816][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.095818][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.095820][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.095823][  T199]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   12.095829][  T199]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   12.095832][  T199]  ? netdev_notice (net/core/dev.c:13194)
[   12.095835][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.095838][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.095840][  T199]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.095844][  T199]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.095846][  T199]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   12.095849][  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))
[   12.095853][  T199]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   12.095855][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.095858][  T199]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   12.095864][  T199]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.095867][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.095870][  T199]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.095871][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.095873][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.095875][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.095877][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.095881][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.095883][  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))
[   12.095885][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   12.095888][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.095890][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   12.095893][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.095895][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.095896][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.095897][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.095899][  T199]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.095901][  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)
[   12.095905][  T199]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.095906][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   12.095908][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.095911][  T199]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.095912][  T199]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.095916][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.095919][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.095927][  T199]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   12.095930][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   12.095931][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.095955][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.095957][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.095960][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.095962][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.095964][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.095969][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.095971][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.095973][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   12.095975][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.095978][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   12.095981][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.095984][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.095985][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.095990][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.095992][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.095995][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.095998][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.096001][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.096008][  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))
[   12.096010][  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))
[   12.096014][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.096018][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.096022][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.096026][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.096030][  T199]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.096031][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.096034][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.096039][  T199]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   12.096042][  T199]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   12.096046][  T199]  __sys_sendto (net/socket.c:2281)
[   12.096049][  T199]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   12.096059][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   12.096065][  T199]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   12.096067][  T199]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.096071][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.096072][  T199]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   12.096075][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.096077][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.096080][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.096082][  T199] RIP: 0033:0x7f5b8bac254e
[   12.096086][  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
[   12.096088][  T199] RSP: 002b:00007ffcc7dabbb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   12.096090][  T199] RAX: ffffffffffffffda RBX: 000055a650b75ba0 RCX: 00007f5b8bac254e
[   12.096092][  T199] RDX: 0000000000000030 RSI: 000055a650cc9140 RDI: 0000000000000012
[   12.096093][  T199] RBP: 00007ffcc7dabbc0 R08: 00007ffcc7dabc10 R09: 0000000000000080
[   12.096093][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000055a650d0dec0
[   12.096094][  T199] R13: 00007ffcc7dabcf4 R14: 0000000000000000 R15: 0000000000000000
| [   13.390426][  T199] softirqs last disabled at (629172): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   13.390429][  T199] Preemption disabled at:
| [   13.390430][  T199] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.390439][  T199] Tainted: [W]=WARN
[   13.390439][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.390441][  T199] Call Trace:
[   13.390443][  T199]  <TASK>
[   13.390445][  T199]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.390451][  T199]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.390452][  T199]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.390457][  T199]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.390461][  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)
[   13.390465][  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))
[   13.390467][  T199]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.390474][  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)
[   13.390477][  T199]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.390481][  T199]  put_chars (drivers/char/virtio_console.c:1176)
[   13.390484][  T199]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.390485][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.390489][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.390492][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.390496][  T199]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.390501][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.390506][  T199]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.390509][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.390514][  T199]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.390518][  T199]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.390520][  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))
[   13.390523][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.390525][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.390529][  T199]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.390534][  T199]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.390535][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.390541][  T199]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.390544][  T199]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.390546][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.390547][  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)
[   13.390551][  T199]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.390553][  T199]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.390556][  T199]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.390559][  T199]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.390560][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.390563][  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))
[   13.390568][  T199]  dev_vprintk_emit (drivers/base/core.c:5000)
[   13.390574][  T199]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   13.390579][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.390581][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.390585][  T199]  dev_printk_emit (drivers/base/core.c:5011)
[   13.390587][  T199]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   13.390590][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.390593][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.390594][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.390596][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.390598][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.390601][  T199]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   13.390608][  T199]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   13.390611][  T199]  ? netdev_notice (net/core/dev.c:13194)
[   13.390613][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.390622][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.390625][  T199]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.390628][  T199]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   13.390631][  T199]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   13.390634][  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))
[   13.390637][  T199]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   13.390640][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.390643][  T199]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   13.390649][  T199]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   13.390652][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.390655][  T199]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.390656][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.390658][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.390660][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.390662][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.390667][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.390668][  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))
[   13.390670][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   13.390674][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.390676][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   13.390678][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.390680][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.390682][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.390683][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.390684][  T199]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.390687][  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)
[   13.390689][  T199]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.390691][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   13.390693][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.390696][  T199]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.390697][  T199]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.390701][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.390704][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.390712][  T199]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   13.390715][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   13.390716][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.390739][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.390741][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.390744][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.390746][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.390748][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.390753][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.390755][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.390757][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   13.390758][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.390762][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   13.390764][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.390767][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.390769][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.390773][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.390775][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.390779][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.390782][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.390785][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.390792][  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))
[   13.390794][  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))
[   13.390799][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.390803][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.390806][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.390810][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.390814][  T199]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.390816][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.390818][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.390823][  T199]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   13.390826][  T199]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   13.390829][  T199]  __sys_sendto (net/socket.c:2281)
[   13.390833][  T199]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   13.390843][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   13.390849][  T199]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   13.390851][  T199]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.390855][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.390856][  T199]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   13.390859][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.390861][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.390863][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.390865][  T199] RIP: 0033:0x7f5b8bac254e
[   13.390869][  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
[   13.390871][  T199] RSP: 002b:00007ffcc7dabbb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   13.390874][  T199] RAX: ffffffffffffffda RBX: 000055a650b75ba0 RCX: 00007f5b8bac254e
[   13.390875][  T199] RDX: 0000000000000030 RSI: 000055a650cc9120 RDI: 0000000000000012
[   13.390876][  T199] RBP: 00007ffcc7dabbc0 R08: 00007ffcc7dabc10 R09: 0000000000000080
[   13.390877][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000055a650cd10b0
[   13.390877][  T199] R13: 00007ffcc7dabcf4 R14: 0000000000000000 R15: 0000000000000000
| [   14.561753][  T199] softirqs last disabled at (894500): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   14.561756][  T199] Preemption disabled at:
| [   14.561756][  T199] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.561765][  T199] Tainted: [W]=WARN
[   14.561765][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.561767][  T199] Call Trace:
[   14.561769][  T199]  <TASK>
[   14.561770][  T199]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.561776][  T199]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.561778][  T199]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.561782][  T199]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.561786][  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)
[   14.561791][  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))
[   14.561792][  T199]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.561799][  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)
[   14.561802][  T199]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.561806][  T199]  put_chars (drivers/char/virtio_console.c:1176)
[   14.561808][  T199]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.561810][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.561813][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.561816][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.561821][  T199]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.561825][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.561830][  T199]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.561834][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.561838][  T199]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.561842][  T199]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.561844][  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))
[   14.561848][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.561849][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.561853][  T199]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.561858][  T199]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.561860][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.561865][  T199]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.561868][  T199]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.561870][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.561871][  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)
[   14.561875][  T199]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.561877][  T199]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.561880][  T199]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.561883][  T199]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.561884][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.561887][  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))
[   14.561892][  T199]  dev_vprintk_emit (drivers/base/core.c:5000)
[   14.561897][  T199]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   14.561902][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.561904][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.561908][  T199]  dev_printk_emit (drivers/base/core.c:5011)
[   14.561910][  T199]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   14.561913][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.561916][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.561917][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.561919][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.561921][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.561924][  T199]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   14.561931][  T199]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   14.561934][  T199]  ? netdev_notice (net/core/dev.c:13194)
[   14.561936][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.561939][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.561944][  T199]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.561948][  T199]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   14.561950][  T199]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   14.561953][  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))
[   14.561956][  T199]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   14.561959][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.561962][  T199]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   14.561968][  T199]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   14.561970][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.561973][  T199]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.561975][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.561977][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.561979][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.561981][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.561985][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.561987][  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))
[   14.561989][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   14.561992][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.561994][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   14.561997][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.561998][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.562000][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.562001][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.562003][  T199]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.562005][  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)
[   14.562008][  T199]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.562010][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   14.562012][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.562015][  T199]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.562016][  T199]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.562020][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.562023][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.562030][  T199]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   14.562033][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   14.562034][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.562057][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.562059][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.562061][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.562063][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.562065][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.562070][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.562072][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.562074][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   14.562075][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.562079][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   14.562081][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.562084][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.562086][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.562090][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.562092][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.562096][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.562099][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.562102][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.562108][  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))
[   14.562110][  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))
[   14.562115][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.562118][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.562122][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.562126][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.562130][  T199]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.562131][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.562134][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.562139][  T199]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   14.562142][  T199]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   14.562145][  T199]  __sys_sendto (net/socket.c:2281)
[   14.562148][  T199]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   14.562162][  T199]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   14.562165][  T199]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.562168][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   14.562171][  T199]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   14.562173][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.562175][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.562178][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.562180][  T199] RIP: 0033:0x7f5b8bac254e
[   14.562183][  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
[   14.562185][  T199] RSP: 002b:00007ffcc7dabbb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   14.562188][  T199] RAX: ffffffffffffffda RBX: 000055a650b75ba0 RCX: 00007f5b8bac254e
[   14.562189][  T199] RDX: 0000000000000030 RSI: 000055a650b60740 RDI: 0000000000000012
[   14.562190][  T199] RBP: 00007ffcc7dabbc0 R08: 00007ffcc7dabc10 R09: 0000000000000080
[   14.562190][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000055a650ce09b0
[   14.562191][  T199] R13: 00007ffcc7dabcf4 R14: 0000000000000000 R15: 0000000000000000
| [   15.670932][  T357] softirqs last disabled at (10602): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   15.670934][  T357] Preemption disabled at:
| [   15.670934][  T357] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.670945][  T357] Tainted: [W]=WARN
[   15.670946][  T357] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.670948][  T357] Call Trace:
[   15.670950][  T357]  <TASK>
[   15.670951][  T357]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.670957][  T357]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.670959][  T357]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.670963][  T357]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.670967][  T357]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.670972][  T357]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   15.670974][  T357]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.670980][  T357]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.670983][  T357]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.670987][  T357]  put_chars (drivers/char/virtio_console.c:1176)
[   15.670989][  T357]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.670992][  T357]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.670995][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.670997][  T357]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.671001][  T357]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.671006][  T357]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.671007][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.671009][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.671013][  T357]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.671015][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.671020][  T357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.671024][  T357]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.671028][  T357]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.671029][  T357]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   15.671033][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.671035][  T357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.671039][  T357]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.671043][  T357]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.671045][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.671050][  T357]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.671053][  T357]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.671054][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.671056][  T357]  ? 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)
[   15.671060][  T357]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.671061][  T357]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.671064][  T357]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.671067][  T357]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.671069][  T357]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.671074][  T357]  _printk (kernel/printk/printk.c:2504)
[   15.671078][  T357]  ? snapshot_read.cold (user.c:?)
[   15.671081][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.671083][  T357]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.671087][  T357]  ? notifier_call_chain (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/notifier.h:59 kernel/notifier.c:84)
[   15.671090][  T357]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   15.671095][  T357]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   15.671100][  T357]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   15.671103][  T357]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   15.671109][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.671111][  T357]  notifier_call_chain (kernel/notifier.c:85)
[   15.671115][  T357]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   15.671120][  T357]  ? netif_change_name (net/core/dev.c:1517)
[   15.671124][  T357]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   15.671128][  T357]  ? write_profile (profile.c:?)
[   15.671133][  T357]  netif_change_flags (net/core/dev.c:9882)
[   15.671136][  T357]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   15.671140][  T357]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   15.671142][  T357]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.671143][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.671145][  T357]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.671149][  T357]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.671151][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.671153][  T357]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.671155][  T357]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.671157][  T357]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.671159][  T357]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.671160][  T357]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   15.671162][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.671164][  T357]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   15.671167][  T357]  ? ___sys_sendmsg (net/socket.c:2758)
[   15.671171][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.671173][  T357]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.671175][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.671177][  T357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.671179][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.671180][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.671182][  T357]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.671184][  T357]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   15.671186][  T357]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.671188][  T357]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.671191][  T357]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.671195][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.671197][  T357]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.671202][  T357]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.671208][  T357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.671210][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.671214][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.671216][  T357]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.671218][  T357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.671220][  T357]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.671224][  T357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.671226][  T357]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.671229][  T357]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.671230][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.671235][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.671236][  T357]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.671240][  T357]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.671242][  T357]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.671245][  T357]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.671251][  T357]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.671253][  T357]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.671258][  T357]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.671262][  T357]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.671264][  T357]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.671268][  T357]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.671272][  T357]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.671276][  T357]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.671278][  T357]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   15.671283][  T357]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   15.671286][  T357]  ____sys_sendmsg (net/socket.c:2713)
[   15.671288][  T357]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.671290][  T357]  ? sock_write_iter (net/socket.c:1269)
[   15.671292][  T357]  ? move_addr_to_kernel (net/socket.c:258)
[   15.671299][  T357]  ___sys_sendmsg (net/socket.c:2767)
[   15.671302][  T357]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.671318][  T357]  __sys_sendmsg (net/socket.c:2799)
[   15.671320][  T357]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.671327][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.671330][  T357]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.671333][  T357]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.671336][  T357]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.671338][  T357] RIP: 0033:0x7fc1a329e54e
[   15.671341][  T357] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.671343][  T357] RSP: 002b:00007fff2803fd50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.671346][  T357] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc1a329e54e
[   15.671347][  T357] RDX: 0000000000000000 RSI: 00007fff2803fe00 RDI: 0000000000000003
[   15.671348][  T357] RBP: 00007fff2803fd60 R08: 0000000000000000 R09: 0000000000000000
[   15.671349][  T357] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9108e5
[   15.671350][  T357] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff280404c0
| [   16.803378][  T395] softirqs last disabled at (12346): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   16.803380][  T395] Preemption disabled at:
| [   16.803380][  T395] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.803389][  T395] Tainted: [W]=WARN
[   16.803390][  T395] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.803391][  T395] Call Trace:
[   16.803393][  T395]  <TASK>
[   16.803395][  T395]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.803401][  T395]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.803402][  T395]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.803406][  T395]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.803411][  T395]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.803416][  T395]  __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))
[   16.803417][  T395]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.803424][  T395]  ? 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)
[   16.803427][  T395]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.803431][  T395]  put_chars (drivers/char/virtio_console.c:1176)
[   16.803433][  T395]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.803436][  T395]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.803439][  T395]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.803442][  T395]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.803446][  T395]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.803449][  T395]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.803451][  T395]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.803453][  T395]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.803457][  T395]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.803459][  T395]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.803463][  T395]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.803467][  T395]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.803471][  T395]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.803473][  T395]  ? 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))
[   16.803477][  T395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.803479][  T395]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.803483][  T395]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.803487][  T395]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.803489][  T395]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.803494][  T395]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.803497][  T395]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.803499][  T395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.803500][  T395]  ? 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)
[   16.803504][  T395]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.803506][  T395]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.803508][  T395]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.803511][  T395]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.803514][  T395]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.803518][  T395]  _printk (kernel/printk/printk.c:2504)
[   16.803522][  T395]  ? snapshot_read.cold (user.c:?)
[   16.803525][  T395]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.803527][  T395]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.803531][  T395]  ? notifier_call_chain (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/notifier.h:59 kernel/notifier.c:84)
[   16.803534][  T395]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   16.803539][  T395]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   16.803544][  T395]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   16.803547][  T395]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   16.803553][  T395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.803555][  T395]  notifier_call_chain (kernel/notifier.c:85)
[   16.803560][  T395]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   16.803564][  T395]  ? netif_change_name (net/core/dev.c:1517)
[   16.803568][  T395]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   16.803572][  T395]  ? write_profile (profile.c:?)
[   16.803576][  T395]  netif_change_flags (net/core/dev.c:9882)
[   16.803580][  T395]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   16.803584][  T395]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   16.803586][  T395]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   16.803587][  T395]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.803589][  T395]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.803593][  T395]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.803595][  T395]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.803597][  T395]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.803599][  T395]  ? kasan_save_stack (mm/kasan/common.c:58)
[   16.803601][  T395]  ? kasan_save_stack (mm/kasan/common.c:57)
[   16.803602][  T395]  ? kasan_save_track (mm/kasan/common.c:78)
[   16.803604][  T395]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   16.803606][  T395]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.803608][  T395]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   16.803611][  T395]  ? ___sys_sendmsg (net/socket.c:2758)
[   16.803615][  T395]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.803616][  T395]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.803619][  T395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.803621][  T395]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.803622][  T395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.803623][  T395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.803643][  T395]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   16.803645][  T395]  ? __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)
[   16.803647][  T395]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   16.803649][  T395]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.803653][  T395]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   16.803656][  T395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.803658][  T395]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   16.803664][  T395]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.803669][  T395]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.803671][  T395]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.803675][  T395]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.803677][  T395]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.803679][  T395]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.803681][  T395]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.803685][  T395]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.803687][  T395]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.803690][  T395]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.803691][  T395]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.803696][  T395]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.803698][  T395]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.803701][  T395]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.803703][  T395]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.803706][  T395]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.803712][  T395]  ? 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))
[   16.803714][  T395]  ? 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))
[   16.803719][  T395]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.803723][  T395]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.803725][  T395]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.803729][  T395]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.803733][  T395]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.803737][  T395]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.803739][  T395]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   16.803744][  T395]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   16.803747][  T395]  ____sys_sendmsg (net/socket.c:2713)
[   16.803749][  T395]  ? copy_msghdr_from_user (net/socket.c:2650)
[   16.803751][  T395]  ? sock_write_iter (net/socket.c:1269)
[   16.803753][  T395]  ? move_addr_to_kernel (net/socket.c:258)
[   16.803760][  T395]  ___sys_sendmsg (net/socket.c:2767)
[   16.803763][  T395]  ? copy_msghdr_from_user (net/socket.c:2619)
[   16.803779][  T395]  __sys_sendmsg (net/socket.c:2799)
[   16.803781][  T395]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   16.803788][  T395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.803791][  T395]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.803794][  T395]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.803797][  T395]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.803799][  T395] RIP: 0033:0x7fa07c63354e
[   16.803803][  T395] 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
[   16.803805][  T395] RSP: 002b:00007ffe1d638380 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.803807][  T395] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa07c63354e
[   16.803809][  T395] RDX: 0000000000000000 RSI: 00007ffe1d638430 RDI: 0000000000000003
[   16.803810][  T395] RBP: 00007ffe1d638390 R08: 0000000000000000 R09: 0000000000000000
[   16.803811][  T395] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9108e7
[   16.803811][  T395] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe1d638af0
| [   17.812905][  T424] softirqs last disabled at (15678): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   17.812907][  T424] Preemption disabled at:
| [   17.812908][  T424] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.812916][  T424] Tainted: [W]=WARN
[   17.812917][  T424] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.812919][  T424] Call Trace:
[   17.812920][  T424]  <TASK>
[   17.812922][  T424]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.812928][  T424]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.812929][  T424]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.812934][  T424]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.812938][  T424]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.812945][  T424]  __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))
[   17.812947][  T424]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.812953][  T424]  ? 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)
[   17.812956][  T424]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.812960][  T424]  put_chars (drivers/char/virtio_console.c:1176)
[   17.812962][  T424]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.812965][  T424]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.812968][  T424]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.812970][  T424]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.812974][  T424]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.812978][  T424]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.812980][  T424]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.812982][  T424]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.812986][  T424]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.812988][  T424]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.812992][  T424]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.812996][  T424]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.813000][  T424]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.813002][  T424]  ? 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))
[   17.813005][  T424]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.813007][  T424]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.813011][  T424]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.813015][  T424]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.813017][  T424]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.813022][  T424]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.813025][  T424]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.813027][  T424]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.813028][  T424]  ? 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)
[   17.813032][  T424]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.813034][  T424]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.813036][  T424]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.813040][  T424]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.813042][  T424]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   17.813046][  T424]  _printk (kernel/printk/printk.c:2504)
[   17.813050][  T424]  ? snapshot_read.cold (user.c:?)
[   17.813053][  T424]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.813055][  T424]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.813059][  T424]  ? notifier_call_chain (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/notifier.h:59 kernel/notifier.c:84)
[   17.813062][  T424]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   17.813067][  T424]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   17.813072][  T424]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   17.813075][  T424]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   17.813081][  T424]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.813083][  T424]  notifier_call_chain (kernel/notifier.c:85)
[   17.813088][  T424]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   17.813093][  T424]  ? netif_change_name (net/core/dev.c:1517)
[   17.813097][  T424]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   17.813100][  T424]  ? write_profile (profile.c:?)
[   17.813105][  T424]  netif_change_flags (net/core/dev.c:9882)
[   17.813109][  T424]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   17.813112][  T424]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   17.813114][  T424]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   17.813116][  T424]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   17.813118][  T424]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.813121][  T424]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.813123][  T424]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.813125][  T424]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.813127][  T424]  ? kasan_save_stack (mm/kasan/common.c:58)
[   17.813129][  T424]  ? kasan_save_stack (mm/kasan/common.c:57)
[   17.813130][  T424]  ? kasan_save_track (mm/kasan/common.c:78)
[   17.813132][  T424]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   17.813134][  T424]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.813136][  T424]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   17.813139][  T424]  ? ___sys_sendmsg (net/socket.c:2758)
[   17.813143][  T424]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.813144][  T424]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.813147][  T424]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.813149][  T424]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.813150][  T424]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.813151][  T424]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.813153][  T424]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   17.813155][  T424]  ? __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)
[   17.813157][  T424]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   17.813159][  T424]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.813163][  T424]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   17.813166][  T424]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.813168][  T424]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   17.813174][  T424]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   17.813179][  T424]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.813181][  T424]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.813185][  T424]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.813187][  T424]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.813189][  T424]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.813191][  T424]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.813194][  T424]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.813196][  T424]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   17.813199][  T424]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.813201][  T424]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.813205][  T424]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.813207][  T424]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.813210][  T424]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   17.813212][  T424]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.813215][  T424]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.813221][  T424]  ? 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))
[   17.813224][  T424]  ? 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))
[   17.813228][  T424]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.813232][  T424]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.813234][  T424]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.813239][  T424]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   17.813243][  T424]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   17.813246][  T424]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.813248][  T424]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   17.813253][  T424]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   17.813256][  T424]  ____sys_sendmsg (net/socket.c:2713)
[   17.813258][  T424]  ? copy_msghdr_from_user (net/socket.c:2650)
[   17.813260][  T424]  ? sock_write_iter (net/socket.c:1269)
[   17.813262][  T424]  ? move_addr_to_kernel (net/socket.c:258)
[   17.813269][  T424]  ___sys_sendmsg (net/socket.c:2767)
[   17.813272][  T424]  ? copy_msghdr_from_user (net/socket.c:2619)
[   17.813288][  T424]  __sys_sendmsg (net/socket.c:2799)
[   17.813290][  T424]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   17.813296][  T424]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.813299][  T424]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.813302][  T424]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.813305][  T424]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.813308][  T424] RIP: 0033:0x7f0a920d354e
[   17.813311][  T424] 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
[   17.813313][  T424] RSP: 002b:00007ffe9b02e0e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.813316][  T424] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0a920d354e
[   17.813317][  T424] RDX: 0000000000000000 RSI: 00007ffe9b02e190 RDI: 0000000000000003
[   17.813318][  T424] RBP: 00007ffe9b02e0f0 R08: 0000000000000000 R09: 0000000000000000
[   17.813319][  T424] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9108e8
[   17.813319][  T424] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe9b02e850
| [   19.173663][  T199] softirqs last disabled at (1788396): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   19.173666][  T199] Preemption disabled at:
| [   19.173666][  T199] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.173675][  T199] Tainted: [W]=WARN
[   19.173676][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.173678][  T199] Call Trace:
[   19.173679][  T199]  <TASK>
[   19.173681][  T199]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.173687][  T199]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.173688][  T199]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.173693][  T199]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.173697][  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)
[   19.173702][  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))
[   19.173703][  T199]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.173710][  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)
[   19.173713][  T199]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.173717][  T199]  put_chars (drivers/char/virtio_console.c:1176)
[   19.173719][  T199]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.173720][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.173724][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.173727][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.173731][  T199]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.173735][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.173741][  T199]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.173744][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.173748][  T199]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.173752][  T199]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.173754][  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))
[   19.173758][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.173759][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.173763][  T199]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.173767][  T199]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.173769][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.173775][  T199]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.173777][  T199]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.173779][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.173781][  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)
[   19.173785][  T199]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.173786][  T199]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.173789][  T199]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.173792][  T199]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.173794][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.173796][  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))
[   19.173803][  T199]  dev_vprintk_emit (drivers/base/core.c:5000)
[   19.173809][  T199]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   19.173814][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.173816][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.173820][  T199]  dev_printk_emit (drivers/base/core.c:5011)
[   19.173822][  T199]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   19.173825][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.173827][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.173829][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.173831][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.173832][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.173836][  T199]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   19.173842][  T199]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   19.173845][  T199]  ? netdev_notice (net/core/dev.c:13194)
[   19.173848][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.173851][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.173853][  T199]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   19.173857][  T199]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   19.173859][  T199]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   19.173862][  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))
[   19.173866][  T199]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   19.173868][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.173871][  T199]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   19.173877][  T199]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   19.173880][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.173883][  T199]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   19.173884][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.173886][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.173888][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.173890][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.173894][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.173896][  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))
[   19.173898][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   19.173901][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.173903][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   19.173906][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.173908][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.173909][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.173910][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.173912][  T199]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   19.173914][  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)
[   19.173917][  T199]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   19.173919][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   19.173921][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.173924][  T199]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   19.173925][  T199]  ? nla_get_range_signed (lib/nlattr.c:270)
[   19.173929][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.173932][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.173939][  T199]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   19.173945][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   19.173946][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.173969][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.173971][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.173974][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.173976][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.173978][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.173983][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.173984][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.173986][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   19.173988][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.173992][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   19.173994][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   19.173997][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.173998][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.174003][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.174005][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.174008][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   19.174012][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.174015][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.174021][  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))
[   19.174023][  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))
[   19.174028][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.174032][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.174035][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.174039][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   19.174043][  T199]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   19.174045][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.174047][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.174052][  T199]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   19.174055][  T199]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   19.174058][  T199]  __sys_sendto (net/socket.c:2281)
[   19.174061][  T199]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   19.174076][  T199]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   19.174078][  T199]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.174082][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   19.174084][  T199]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   19.174087][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.174089][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.174091][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.174094][  T199] RIP: 0033:0x7f5b8bac254e
[   19.174097][  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
[   19.174099][  T199] RSP: 002b:00007ffcc7dabbb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   19.174102][  T199] RAX: ffffffffffffffda RBX: 000055a650b75ba0 RCX: 00007f5b8bac254e
[   19.174103][  T199] RDX: 0000000000000030 RSI: 000055a650b65be0 RDI: 0000000000000012
[   19.174104][  T199] RBP: 00007ffcc7dabbc0 R08: 00007ffcc7dabc10 R09: 0000000000000080
[   19.174105][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000055a650d00760
[   19.174106][  T199] R13: 00007ffcc7dabcf4 R14: 0000000000000000 R15: 0000000000000000
| [   20.473727][  T199] softirqs last disabled at (1911991): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   20.473729][  T199] Preemption disabled at:
| [   20.473730][  T199] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.473739][  T199] Tainted: [W]=WARN
[   20.473739][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.473741][  T199] Call Trace:
[   20.473743][  T199]  <TASK>
[   20.473744][  T199]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.473750][  T199]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.473752][  T199]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.473756][  T199]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.473761][  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)
[   20.473765][  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))
[   20.473767][  T199]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.473773][  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)
[   20.473776][  T199]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.473780][  T199]  put_chars (drivers/char/virtio_console.c:1176)
[   20.473783][  T199]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.473784][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.473788][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.473791][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.473797][  T199]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.473801][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.473806][  T199]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.473809][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.473814][  T199]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.473818][  T199]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.473825][  T199]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.473829][  T199]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.473831][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.473836][  T199]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.473839][  T199]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.473841][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.473842][  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)
[   20.473846][  T199]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.473848][  T199]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.473851][  T199]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.473854][  T199]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.473855][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.473857][  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))
[   20.473862][  T199]  dev_vprintk_emit (drivers/base/core.c:5000)
[   20.473868][  T199]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   20.473873][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.473875][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.473878][  T199]  dev_printk_emit (drivers/base/core.c:5011)
[   20.473881][  T199]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   20.473884][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.473886][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.473887][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.473889][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.473891][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.473894][  T199]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   20.473900][  T199]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   20.473903][  T199]  ? netdev_notice (net/core/dev.c:13194)
[   20.473906][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.473909][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.473911][  T199]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   20.473915][  T199]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   20.473917][  T199]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   20.473920][  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))
[   20.473923][  T199]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   20.473927][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.473930][  T199]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   20.473936][  T199]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   20.473938][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.473944][  T199]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   20.473945][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.473947][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.473949][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.473951][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.473955][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.473957][  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))
[   20.473959][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   20.473962][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.473965][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   20.473967][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.473969][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.473970][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.473971][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.473973][  T199]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   20.473975][  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)
[   20.473977][  T199]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   20.473979][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   20.473981][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.473984][  T199]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   20.473985][  T199]  ? nla_get_range_signed (lib/nlattr.c:270)
[   20.473989][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.473992][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.474000][  T199]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   20.474003][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   20.474004][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.474026][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.474028][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.474031][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.474033][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.474035][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.474040][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.474041][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.474043][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   20.474045][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.474049][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   20.474051][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.474054][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.474055][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.474060][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.474062][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.474065][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   20.474068][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.474071][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.474078][  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))
[   20.474080][  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))
[   20.474084][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.474088][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.474092][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.474095][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.474099][  T199]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   20.474101][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.474104][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.474108][  T199]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   20.474112][  T199]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   20.474115][  T199]  __sys_sendto (net/socket.c:2281)
[   20.474118][  T199]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   20.474133][  T199]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   20.474135][  T199]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.474139][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   20.474140][  T199]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   20.474143][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.474145][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.474148][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.474150][  T199] RIP: 0033:0x7f5b8bac254e
[   20.474154][  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
[   20.474155][  T199] RSP: 002b:00007ffcc7dabbb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   20.474158][  T199] RAX: ffffffffffffffda RBX: 000055a650b75ba0 RCX: 00007f5b8bac254e
[   20.474159][  T199] RDX: 0000000000000030 RSI: 000055a650b60780 RDI: 0000000000000012
[   20.474160][  T199] RBP: 00007ffcc7dabbc0 R08: 00007ffcc7dabc10 R09: 0000000000000080
[   20.474161][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000055a650ce2370
[   20.474162][  T199] R13: 00007ffcc7dabcf4 R14: 0000000000000000 R15: 0000000000000000
| [   21.776075][  T199] softirqs last disabled at (2136552): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   21.776077][  T199] Preemption disabled at:
| [   21.776078][  T199] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.776087][  T199] Tainted: [W]=WARN
[   21.776088][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.776089][  T199] Call Trace:
[   21.776091][  T199]  <TASK>
[   21.776092][  T199]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.776098][  T199]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.776100][  T199]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.776104][  T199]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.776109][  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)
[   21.776113][  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))
[   21.776115][  T199]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.776122][  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)
[   21.776125][  T199]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.776129][  T199]  put_chars (drivers/char/virtio_console.c:1176)
[   21.776131][  T199]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.776132][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.776136][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.776139][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.776144][  T199]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.776148][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.776153][  T199]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.776156][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.776161][  T199]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.776165][  T199]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.776167][  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))
[   21.776170][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.776172][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.776176][  T199]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.776181][  T199]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.776182][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.776188][  T199]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.776191][  T199]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.776193][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.776194][  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)
[   21.776198][  T199]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.776200][  T199]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.776203][  T199]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.776206][  T199]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.776207][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.776209][  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))
[   21.776215][  T199]  dev_vprintk_emit (drivers/base/core.c:5000)
[   21.776220][  T199]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   21.776226][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.776228][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.776231][  T199]  dev_printk_emit (drivers/base/core.c:5011)
[   21.776234][  T199]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   21.776237][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.776239][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.776241][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.776243][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.776244][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.776248][  T199]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   21.776255][  T199]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   21.776258][  T199]  ? netdev_notice (net/core/dev.c:13194)
[   21.776260][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.776263][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.776266][  T199]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   21.776270][  T199]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   21.776272][  T199]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   21.776275][  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))
[   21.776279][  T199]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   21.776281][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.776284][  T199]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   21.776291][  T199]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   21.776295][  T199]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   21.776296][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.776298][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.776300][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.776302][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.776305][  T199]  ? clockevents_program_event (kernel/time/clockevents.c:363)
[   21.776310][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.776314][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.776316][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   21.776319][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.776321][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.776322][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.776324][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.776325][  T199]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   21.776328][  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)
[   21.776331][  T199]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   21.776333][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   21.776334][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.776337][  T199]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   21.776339][  T199]  ? nla_get_range_signed (lib/nlattr.c:270)
[   21.776343][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.776346][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.776353][  T199]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   21.776357][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   21.776358][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.776382][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.776383][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.776386][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.776388][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.776390][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.776395][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.776397][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.776399][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   21.776401][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.776404][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   21.776406][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.776410][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.776411][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.776416][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.776418][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.776421][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.776425][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.776427][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.776434][  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))
[   21.776436][  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))
[   21.776441][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.776445][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.776449][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.776452][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.776457][  T199]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   21.776458][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.776461][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.776466][  T199]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   21.776469][  T199]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   21.776472][  T199]  __sys_sendto (net/socket.c:2281)
[   21.776476][  T199]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   21.776490][  T199]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   21.776493][  T199]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.776497][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   21.776499][  T199]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   21.776502][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.776504][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.776506][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.776508][  T199] RIP: 0033:0x7f5b8bac254e
[   21.776512][  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
[   21.776514][  T199] RSP: 002b:00007ffcc7dabbb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   21.776516][  T199] RAX: ffffffffffffffda RBX: 000055a650b75ba0 RCX: 00007f5b8bac254e
[   21.776518][  T199] RDX: 0000000000000030 RSI: 000055a650ccec20 RDI: 0000000000000012
[   21.776519][  T199] RBP: 00007ffcc7dabbc0 R08: 00007ffcc7dabc10 R09: 0000000000000080
[   21.776520][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000055a650d066f0
[   21.776520][  T199] R13: 00007ffcc7dabcf4 R14: 0000000000000000 R15: 0000000000000000
| [   22.964285][  T199] softirqs last disabled at (2331330): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   22.964288][  T199] Preemption disabled at:
| [   22.964288][  T199] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.964297][  T199] Tainted: [W]=WARN
[   22.964298][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.964300][  T199] Call Trace:
[   22.964301][  T199]  <TASK>
[   22.964303][  T199]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.964309][  T199]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.964311][  T199]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.964315][  T199]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.964319][  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)
[   22.964324][  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))
[   22.964325][  T199]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.964332][  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)
[   22.964335][  T199]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.964339][  T199]  put_chars (drivers/char/virtio_console.c:1176)
[   22.964342][  T199]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.964343][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.964346][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.964349][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.964354][  T199]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.964358][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.964363][  T199]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.964366][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.964371][  T199]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.964375][  T199]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.964377][  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))
[   22.964380][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.964382][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.964386][  T199]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.964390][  T199]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.964392][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.964397][  T199]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.964400][  T199]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.964402][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.964404][  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)
[   22.964408][  T199]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.964409][  T199]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.964412][  T199]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.964415][  T199]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.964416][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   22.964418][  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))
[   22.964425][  T199]  dev_vprintk_emit (drivers/base/core.c:5000)
[   22.964430][  T199]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   22.964435][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   22.964437][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.964441][  T199]  dev_printk_emit (drivers/base/core.c:5011)
[   22.964443][  T199]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   22.964446][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.964449][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.964450][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.964452][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.964454][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.964457][  T199]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   22.964463][  T199]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   22.964466][  T199]  ? netdev_notice (net/core/dev.c:13194)
[   22.964469][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.964472][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.964474][  T199]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   22.964478][  T199]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.964480][  T199]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   22.964483][  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))
[   22.964486][  T199]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   22.964489][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.964492][  T199]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   22.964498][  T199]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.964500][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.964503][  T199]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   22.964505][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   22.964507][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.964508][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.964510][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.964515][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.964517][  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))
[   22.964518][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   22.964522][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.964524][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   22.964526][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.964528][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.964530][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.964531][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.964532][  T199]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   22.964534][  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)
[   22.964537][  T199]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   22.964539][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   22.964541][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   22.964544][  T199]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   22.964545][  T199]  ? nla_get_range_signed (lib/nlattr.c:270)
[   22.964549][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.964552][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.964560][  T199]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   22.964563][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   22.964564][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.964587][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.964589][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.964592][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.964594][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   22.964596][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.964601][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.964602][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.964604][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   22.964606][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.964610][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   22.964612][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.964615][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.964616][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.964621][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.964623][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.964626][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.964629][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.964632][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.964639][  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))
[   22.964641][  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))
[   22.964651][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.964655][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.964659][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.964662][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.964666][  T199]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   22.964668][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.964671][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.964676][  T199]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   22.964678][  T199]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   22.964682][  T199]  __sys_sendto (net/socket.c:2281)
[   22.964685][  T199]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   22.964696][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   22.964701][  T199]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   22.964703][  T199]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.964707][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   22.964708][  T199]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   22.964711][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.964713][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.964715][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.964717][  T199] RIP: 0033:0x7f5b8bac254e
[   22.964721][  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
[   22.964723][  T199] RSP: 002b:00007ffcc7dabbb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   22.964725][  T199] RAX: ffffffffffffffda RBX: 000055a650b75ba0 RCX: 00007f5b8bac254e
[   22.964727][  T199] RDX: 0000000000000030 RSI: 000055a650b721a0 RDI: 0000000000000012
[   22.964728][  T199] RBP: 00007ffcc7dabbc0 R08: 00007ffcc7dabc10 R09: 0000000000000080
[   22.964728][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000055a650d1c8f0
[   22.964729][  T199] R13: 00007ffcc7dabcf4 R14: 0000000000000000 R15: 0000000000000000
| [   24.157397][  T199] softirqs last disabled at (2549284): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   24.157400][  T199] Preemption disabled at:
| [   24.157400][  T199] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.157409][  T199] Tainted: [W]=WARN
[   24.157410][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.157411][  T199] Call Trace:
[   24.157413][  T199]  <TASK>
[   24.157414][  T199]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.157421][  T199]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.157422][  T199]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.157426][  T199]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.157431][  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)
[   24.157435][  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))
[   24.157437][  T199]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.157444][  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)
[   24.157446][  T199]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.157450][  T199]  put_chars (drivers/char/virtio_console.c:1176)
[   24.157453][  T199]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.157454][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.157457][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.157461][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.157466][  T199]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.157470][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.157475][  T199]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.157478][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.157483][  T199]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.157487][  T199]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.157489][  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))
[   24.157492][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.157494][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.157498][  T199]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.157502][  T199]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.157504][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.157509][  T199]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.157512][  T199]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.157514][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.157516][  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)
[   24.157519][  T199]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.157521][  T199]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.157524][  T199]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.157527][  T199]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.157533][  T199]  dev_vprintk_emit (drivers/base/core.c:5000)
[   24.157539][  T199]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   24.157544][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.157546][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.157549][  T199]  dev_printk_emit (drivers/base/core.c:5011)
[   24.157552][  T199]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   24.157555][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.157557][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.157558][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.157560][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.157562][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.157566][  T199]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   24.157572][  T199]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   24.157575][  T199]  ? netdev_notice (net/core/dev.c:13194)
[   24.157577][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.157580][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.157583][  T199]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   24.157587][  T199]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   24.157589][  T199]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   24.157592][  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))
[   24.157596][  T199]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   24.157598][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.157601][  T199]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   24.157607][  T199]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   24.157610][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.157613][  T199]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   24.157614][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.157616][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.157618][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.157619][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.157624][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.157626][  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))
[   24.157627][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   24.157631][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.157633][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   24.157636][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.157637][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.157639][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.157640][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.157642][  T199]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   24.157644][  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)
[   24.157656][  T199]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   24.157657][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   24.157659][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.157662][  T199]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   24.157664][  T199]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.157668][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.157671][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.157678][  T199]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   24.157681][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   24.157682][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.157705][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.157707][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.157710][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.157712][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.157714][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.157718][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.157720][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.157722][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   24.157724][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.157727][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   24.157729][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.157732][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.157734][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.157738][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.157740][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.157743][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.157747][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.157749][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.157756][  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))
[   24.157758][  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))
[   24.157763][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.157767][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.157770][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.157774][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.157778][  T199]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.157779][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.157782][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.157787][  T199]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   24.157790][  T199]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   24.157794][  T199]  __sys_sendto (net/socket.c:2281)
[   24.157797][  T199]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   24.157808][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   24.157813][  T199]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   24.157815][  T199]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.157819][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   24.157820][  T199]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   24.157823][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.157825][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.157827][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.157830][  T199] RIP: 0033:0x7f5b8bac254e
[   24.157833][  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
[   24.157835][  T199] RSP: 002b:00007ffcc7dabbb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   24.157838][  T199] RAX: ffffffffffffffda RBX: 000055a650b75ba0 RCX: 00007f5b8bac254e
[   24.157839][  T199] RDX: 0000000000000030 RSI: 000055a650b78d40 RDI: 0000000000000012
[   24.157840][  T199] RBP: 00007ffcc7dabbc0 R08: 00007ffcc7dabc10 R09: 0000000000000080
[   24.157841][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000055a650d1fe00
[   24.157841][  T199] R13: 00007ffcc7dabcf4 R14: 0000000000000000 R15: 0000000000000000
| [   25.182232][  T622] softirqs last disabled at (11152): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   25.182234][  T622] Preemption disabled at:
| [   25.182234][  T622] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.182243][  T622] Tainted: [W]=WARN
[   25.182244][  T622] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.182246][  T622] Call Trace:
[   25.182248][  T622]  <TASK>
[   25.182249][  T622]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.182256][  T622]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.182257][  T622]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.182262][  T622]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.182266][  T622]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.182270][  T622]  __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))
[   25.182272][  T622]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.182279][  T622]  ? 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)
[   25.182282][  T622]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.182286][  T622]  put_chars (drivers/char/virtio_console.c:1176)
[   25.182288][  T622]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.182291][  T622]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.182294][  T622]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.182297][  T622]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.182301][  T622]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.182305][  T622]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   25.182307][  T622]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.182308][  T622]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.182313][  T622]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.182315][  T622]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.182319][  T622]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.182323][  T622]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.182327][  T622]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.182329][  T622]  ? 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))
[   25.182333][  T622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.182335][  T622]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.182339][  T622]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.182343][  T622]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.182345][  T622]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.182350][  T622]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.182353][  T622]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.182355][  T622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.182357][  T622]  ? 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)
[   25.182361][  T622]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.182363][  T622]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.182366][  T622]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.182369][  T622]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.182371][  T622]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   25.182376][  T622]  _printk (kernel/printk/printk.c:2504)
[   25.182380][  T622]  ? snapshot_read.cold (user.c:?)
[   25.182383][  T622]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.182385][  T622]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.182389][  T622]  ? notifier_call_chain (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/notifier.h:59 kernel/notifier.c:84)
[   25.182392][  T622]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   25.182397][  T622]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   25.182402][  T622]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   25.182406][  T622]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   25.182412][  T622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.182414][  T622]  notifier_call_chain (kernel/notifier.c:85)
[   25.182419][  T622]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   25.182424][  T622]  ? netif_change_name (net/core/dev.c:1517)
[   25.182428][  T622]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   25.182431][  T622]  ? write_profile (profile.c:?)
[   25.182436][  T622]  netif_change_flags (net/core/dev.c:9882)
[   25.182440][  T622]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   25.182444][  T622]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   25.182446][  T622]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   25.182447][  T622]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.182449][  T622]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.182452][  T622]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.182454][  T622]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.182456][  T622]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.182459][  T622]  ? kasan_save_stack (mm/kasan/common.c:58)
[   25.182461][  T622]  ? kasan_save_stack (mm/kasan/common.c:57)
[   25.182462][  T622]  ? kasan_save_track (mm/kasan/common.c:78)
[   25.182464][  T622]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   25.182466][  T622]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.182468][  T622]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   25.182471][  T622]  ? ___sys_sendmsg (net/socket.c:2758)
[   25.182475][  T622]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.182477][  T622]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.182480][  T622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.182482][  T622]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.182483][  T622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.182484][  T622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.182486][  T622]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   25.182488][  T622]  ? __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)
[   25.182491][  T622]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   25.182493][  T622]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.182496][  T622]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   25.182500][  T622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.182502][  T622]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   25.182507][  T622]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   25.182513][  T622]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.182515][  T622]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.182519][  T622]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.182521][  T622]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.182523][  T622]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.182525][  T622]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.182529][  T622]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.182531][  T622]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   25.182534][  T622]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.182536][  T622]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.182541][  T622]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.182542][  T622]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.182546][  T622]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   25.182548][  T622]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.182551][  T622]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.182558][  T622]  ? 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))
[   25.182560][  T622]  ? 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))
[   25.182564][  T622]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.182568][  T622]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.182571][  T622]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.182575][  T622]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   25.182580][  T622]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   25.182583][  T622]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.182585][  T622]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   25.182591][  T622]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   25.182594][  T622]  ____sys_sendmsg (net/socket.c:2713)
[   25.182596][  T622]  ? copy_msghdr_from_user (net/socket.c:2650)
[   25.182599][  T622]  ? sock_write_iter (net/socket.c:1269)
[   25.182600][  T622]  ? move_addr_to_kernel (net/socket.c:258)
[   25.182608][  T622]  ___sys_sendmsg (net/socket.c:2767)
[   25.182610][  T622]  ? copy_msghdr_from_user (net/socket.c:2619)
[   25.182627][  T622]  __sys_sendmsg (net/socket.c:2799)
[   25.182630][  T622]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   25.182636][  T622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.182639][  T622]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.182643][  T622]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.182645][  T622]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.182648][  T622] RIP: 0033:0x7ff54b5ad54e
[   25.182657][  T622] 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
[   25.182658][  T622] RSP: 002b:00007ffd44a92520 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.182661][  T622] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff54b5ad54e
[   25.182663][  T622] RDX: 0000000000000000 RSI: 00007ffd44a925d0 RDI: 0000000000000003
[   25.182664][  T622] RBP: 00007ffd44a92530 R08: 0000000000000000 R09: 0000000000000000
[   25.182665][  T622] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9108ef
[   25.182665][  T622] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd44a92c90
| [   26.621035][  T199] softirqs last disabled at (2958194): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   26.621038][  T199] Preemption disabled at:
| [   26.621038][  T199] vprintk_emit (kernel/printk/printk.c:2471)
| [   26.621047][  T199] Tainted: [W]=WARN
[   26.621048][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.621049][  T199] Call Trace:
[   26.621051][  T199]  <TASK>
[   26.621052][  T199]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.621058][  T199]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   26.621060][  T199]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.621064][  T199]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.621069][  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)
[   26.621073][  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))
[   26.621075][  T199]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.621082][  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)
[   26.621085][  T199]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.621088][  T199]  put_chars (drivers/char/virtio_console.c:1176)
[   26.621091][  T199]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.621092][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.621096][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.621098][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.621103][  T199]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.621107][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.621112][  T199]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.621116][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.621121][  T199]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.621125][  T199]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.621127][  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))
[   26.621130][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.621132][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.621136][  T199]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.621140][  T199]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.621142][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.621147][  T199]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.621150][  T199]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.621152][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.621154][  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)
[   26.621157][  T199]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.621159][  T199]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.621162][  T199]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.621165][  T199]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.621166][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   26.621168][  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))
[   26.621174][  T199]  dev_vprintk_emit (drivers/base/core.c:5000)
[   26.621179][  T199]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   26.621185][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   26.621187][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.621190][  T199]  dev_printk_emit (drivers/base/core.c:5011)
[   26.621193][  T199]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   26.621196][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.621198][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.621200][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.621201][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.621203][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.621207][  T199]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   26.621213][  T199]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   26.621216][  T199]  ? netdev_notice (net/core/dev.c:13194)
[   26.621219][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.621222][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.621224][  T199]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   26.621228][  T199]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   26.621230][  T199]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   26.621233][  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))
[   26.621237][  T199]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   26.621239][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.621242][  T199]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   26.621248][  T199]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   26.621251][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.621254][  T199]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   26.621255][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   26.621257][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.621259][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.621261][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.621266][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.621268][  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))
[   26.621269][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   26.621273][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.621275][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   26.621277][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.621279][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.621280][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.621282][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.621283][  T199]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   26.621285][  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)
[   26.621288][  T199]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   26.621290][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   26.621292][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   26.621295][  T199]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   26.621296][  T199]  ? nla_get_range_signed (lib/nlattr.c:270)
[   26.621300][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.621303][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.621311][  T199]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   26.621314][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   26.621315][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.621339][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.621341][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.621343][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.621345][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   26.621347][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.621352][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.621354][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.621356][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   26.621358][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.621361][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   26.621363][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   26.621367][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.621368][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.621373][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.621374][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.621378][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   26.621381][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.621384][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.621391][  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))
[   26.621393][  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))
[   26.621398][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.621402][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.621405][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.621409][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   26.621413][  T199]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   26.621415][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.621417][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.621422][  T199]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   26.621425][  T199]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   26.621429][  T199]  __sys_sendto (net/socket.c:2281)
[   26.621432][  T199]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   26.621447][  T199]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   26.621449][  T199]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.621452][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.621455][  T199]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   26.621458][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.621459][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.621462][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.621464][  T199] RIP: 0033:0x7f5b8bac254e
[   26.621468][  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
[   26.621470][  T199] RSP: 002b:00007ffcc7dabbb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   26.621472][  T199] RAX: ffffffffffffffda RBX: 000055a650b75ba0 RCX: 00007f5b8bac254e
[   26.621474][  T199] RDX: 0000000000000030 RSI: 000055a650cfe6c0 RDI: 0000000000000012
[   26.621474][  T199] RBP: 00007ffcc7dabbc0 R08: 00007ffcc7dabc10 R09: 0000000000000080
[   26.621475][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000055a650d25410
[   26.621476][  T199] R13: 00007ffcc7dabcf4 R14: 0000000000000000 R15: 0000000000000000
| [   27.720402][  T683] softirqs last disabled at (11352): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   27.720403][  T683] Preemption disabled at:
| [   27.720404][  T683] vprintk_emit (kernel/printk/printk.c:2471)
| [   27.720413][  T683] Tainted: [W]=WARN
[   27.720414][  T683] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.720415][  T683] Call Trace:
[   27.720417][  T683]  <TASK>
[   27.720418][  T683]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.720424][  T683]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   27.720426][  T683]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.720430][  T683]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.720434][  T683]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   27.720439][  T683]  __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))
[   27.720441][  T683]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.720448][  T683]  ? 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)
[   27.720451][  T683]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.720454][  T683]  put_chars (drivers/char/virtio_console.c:1176)
[   27.720457][  T683]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.720460][  T683]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.720462][  T683]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.720465][  T683]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.720469][  T683]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.720473][  T683]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.720475][  T683]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.720477][  T683]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.720481][  T683]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.720483][  T683]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.720488][  T683]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.720492][  T683]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.720496][  T683]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.720498][  T683]  ? 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))
[   27.720501][  T683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.720503][  T683]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.720507][  T683]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.720511][  T683]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.720513][  T683]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.720519][  T683]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.720522][  T683]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.720524][  T683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.720525][  T683]  ? 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)
[   27.720529][  T683]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.720531][  T683]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.720534][  T683]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.720537][  T683]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.720539][  T683]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   27.720544][  T683]  _printk (kernel/printk/printk.c:2504)
[   27.720547][  T683]  ? snapshot_read.cold (user.c:?)
[   27.720551][  T683]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.720552][  T683]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.720556][  T683]  ? notifier_call_chain (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/notifier.h:59 kernel/notifier.c:84)
[   27.720560][  T683]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   27.720565][  T683]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   27.720570][  T683]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   27.720574][  T683]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   27.720579][  T683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.720581][  T683]  notifier_call_chain (kernel/notifier.c:85)
[   27.720586][  T683]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   27.720591][  T683]  ? netif_change_name (net/core/dev.c:1517)
[   27.720595][  T683]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   27.720599][  T683]  ? write_profile (profile.c:?)
[   27.720603][  T683]  netif_change_flags (net/core/dev.c:9882)
[   27.720607][  T683]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   27.720611][  T683]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   27.720613][  T683]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   27.720615][  T683]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   27.720616][  T683]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.720620][  T683]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.720622][  T683]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.720624][  T683]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.720626][  T683]  ? kasan_save_stack (mm/kasan/common.c:58)
[   27.720629][  T683]  ? kasan_save_stack (mm/kasan/common.c:57)
[   27.720630][  T683]  ? kasan_save_track (mm/kasan/common.c:78)
[   27.720631][  T683]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   27.720633][  T683]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.720635][  T683]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   27.720638][  T683]  ? ___sys_sendmsg (net/socket.c:2758)
[   27.720642][  T683]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.720644][  T683]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   27.720647][  T683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.720649][  T683]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.720650][  T683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.720651][  T683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.720653][  T683]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   27.720655][  T683]  ? __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)
[   27.720665][  T683]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   27.720667][  T683]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   27.720670][  T683]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   27.720674][  T683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.720676][  T683]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   27.720682][  T683]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   27.720687][  T683]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.720689][  T683]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.720694][  T683]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.720696][  T683]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.720698][  T683]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.720699][  T683]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.720703][  T683]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.720705][  T683]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   27.720709][  T683]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.720710][  T683]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.720715][  T683]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.720717][  T683]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.720720][  T683]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   27.720722][  T683]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.720725][  T683]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.720732][  T683]  ? 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))
[   27.720734][  T683]  ? 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))
[   27.720739][  T683]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.720743][  T683]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.720745][  T683]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.720750][  T683]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   27.720754][  T683]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   27.720758][  T683]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.720759][  T683]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   27.720765][  T683]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   27.720768][  T683]  ____sys_sendmsg (net/socket.c:2713)
[   27.720770][  T683]  ? copy_msghdr_from_user (net/socket.c:2650)
[   27.720773][  T683]  ? sock_write_iter (net/socket.c:1269)
[   27.720774][  T683]  ? move_addr_to_kernel (net/socket.c:258)
[   27.720782][  T683]  ___sys_sendmsg (net/socket.c:2767)
[   27.720785][  T683]  ? copy_msghdr_from_user (net/socket.c:2619)
[   27.720803][  T683]  __sys_sendmsg (net/socket.c:2799)
[   27.720805][  T683]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   27.720812][  T683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.720815][  T683]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.720818][  T683]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   27.720821][  T683]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.720823][  T683] RIP: 0033:0x7fd54cb0954e
[   27.720827][  T683] 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
[   27.720829][  T683] RSP: 002b:00007ffda4c01780 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.720832][  T683] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd54cb0954e
[   27.720833][  T683] RDX: 0000000000000000 RSI: 00007ffda4c01830 RDI: 0000000000000003
[   27.720834][  T683] RBP: 00007ffda4c01790 R08: 0000000000000000 R09: 0000000000000000
[   27.720835][  T683] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9108f2
[   27.720835][  T683] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda4c01ef0
| [   28.748553][  T199] softirqs last disabled at (3400282): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   28.748556][  T199] Preemption disabled at:
| [   28.748556][  T199] vprintk_emit (kernel/printk/printk.c:2471)
| [   28.748565][  T199] Tainted: [W]=WARN
[   28.748566][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.748568][  T199] Call Trace:
[   28.748569][  T199]  <TASK>
[   28.748571][  T199]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.748577][  T199]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   28.748579][  T199]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.748583][  T199]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.748587][  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)
[   28.748592][  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))
[   28.748594][  T199]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.748600][  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)
[   28.748603][  T199]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.748607][  T199]  put_chars (drivers/char/virtio_console.c:1176)
[   28.748610][  T199]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.748611][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.748614][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.748617][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.748622][  T199]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.748626][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.748631][  T199]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.748634][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.748639][  T199]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.748643][  T199]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.748645][  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))
[   28.748648][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.748650][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.748654][  T199]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.748658][  T199]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.748670][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.748675][  T199]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.748678][  T199]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.748680][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.748682][  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)
[   28.748686][  T199]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.748687][  T199]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.748690][  T199]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.748693][  T199]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.748694][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   28.748696][  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))
[   28.748702][  T199]  dev_vprintk_emit (drivers/base/core.c:5000)
[   28.748708][  T199]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   28.748713][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   28.748715][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.748718][  T199]  dev_printk_emit (drivers/base/core.c:5011)
[   28.748721][  T199]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   28.748724][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.748726][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.748727][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.748729][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.748731][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.748735][  T199]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   28.748741][  T199]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   28.748743][  T199]  ? netdev_notice (net/core/dev.c:13194)
[   28.748746][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.748749][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.748752][  T199]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   28.748755][  T199]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   28.748757][  T199]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   28.748760][  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))
[   28.748763][  T199]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   28.748766][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.748769][  T199]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   28.748775][  T199]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   28.748778][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.748781][  T199]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   28.748782][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   28.748784][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.748786][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.748787][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.748792][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.748794][  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))
[   28.748795][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   28.748799][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.748801][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   28.748804][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.748805][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.748807][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.748808][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.748810][  T199]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   28.748812][  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)
[   28.748815][  T199]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   28.748817][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   28.748819][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   28.748821][  T199]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   28.748823][  T199]  ? nla_get_range_signed (lib/nlattr.c:270)
[   28.748826][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.748830][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.748837][  T199]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   28.748840][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   28.748841][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.748864][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.748866][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.748868][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.748870][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   28.748872][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.748877][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.748879][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.748881][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   28.748882][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.748886][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   28.748888][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   28.748891][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.748893][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.748897][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.748899][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.748903][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   28.748906][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.748909][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.748915][  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))
[   28.748917][  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))
[   28.748922][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.748926][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.748928][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.748931][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.748934][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   28.748938][  T199]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   28.748944][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.748947][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.748952][  T199]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   28.748955][  T199]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   28.748958][  T199]  __sys_sendto (net/socket.c:2281)
[   28.748961][  T199]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   28.748972][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   28.748977][  T199]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   28.748980][  T199]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.748983][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.748985][  T199]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   28.748987][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.748989][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   28.748992][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.748994][  T199] RIP: 0033:0x7f5b8bac254e
[   28.748997][  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
[   28.748999][  T199] RSP: 002b:00007ffcc7dabbb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   28.749002][  T199] RAX: ffffffffffffffda RBX: 000055a650b75ba0 RCX: 00007f5b8bac254e
[   28.749003][  T199] RDX: 0000000000000030 RSI: 000055a650ce5280 RDI: 0000000000000012
[   28.749004][  T199] RBP: 00007ffcc7dabbc0 R08: 00007ffcc7dabc10 R09: 0000000000000080
[   28.749004][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000055a650d2b790
[   28.749005][  T199] R13: 00007ffcc7dabcf4 R14: 0000000000000000 R15: 0000000000000000
| [   29.762922][  T736] softirqs last disabled at (11744): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   29.762924][  T736] Preemption disabled at:
| [   29.762925][  T736] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.762933][  T736] Tainted: [W]=WARN
[   29.762934][  T736] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.762935][  T736] Call Trace:
[   29.762937][  T736]  <TASK>
[   29.762938][  T736]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.762947][  T736]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.762948][  T736]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.762952][  T736]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.762957][  T736]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   29.762961][  T736]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   29.762963][  T736]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.762970][  T736]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.762972][  T736]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.762976][  T736]  put_chars (drivers/char/virtio_console.c:1176)
[   29.762978][  T736]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.762981][  T736]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.762984][  T736]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.762987][  T736]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.762991][  T736]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.762994][  T736]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.762996][  T736]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.762998][  T736]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.763002][  T736]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.763004][  T736]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.763008][  T736]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.763012][  T736]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.763016][  T736]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.763018][  T736]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   29.763021][  T736]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.763023][  T736]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.763027][  T736]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.763031][  T736]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.763033][  T736]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.763038][  T736]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.763041][  T736]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.763043][  T736]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.763045][  T736]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   29.763048][  T736]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.763050][  T736]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.763053][  T736]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.763056][  T736]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.763058][  T736]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   29.763062][  T736]  _printk (kernel/printk/printk.c:2504)
[   29.763066][  T736]  ? snapshot_read.cold (user.c:?)
[   29.763069][  T736]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.763071][  T736]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.763075][  T736]  ? notifier_call_chain (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/notifier.h:59 kernel/notifier.c:84)
[   29.763078][  T736]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   29.763083][  T736]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   29.763088][  T736]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   29.763091][  T736]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   29.763097][  T736]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.763099][  T736]  notifier_call_chain (kernel/notifier.c:85)
[   29.763103][  T736]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   29.763108][  T736]  ? netif_change_name (net/core/dev.c:1517)
[   29.763112][  T736]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   29.763116][  T736]  ? write_profile (profile.c:?)
[   29.763120][  T736]  netif_change_flags (net/core/dev.c:9882)
[   29.763124][  T736]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   29.763128][  T736]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   29.763130][  T736]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   29.763131][  T736]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.763133][  T736]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.763136][  T736]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.763138][  T736]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.763140][  T736]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.763142][  T736]  ? kasan_save_stack (mm/kasan/common.c:58)
[   29.763145][  T736]  ? kasan_save_stack (mm/kasan/common.c:57)
[   29.763146][  T736]  ? kasan_save_track (mm/kasan/common.c:78)
[   29.763147][  T736]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   29.763149][  T736]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.763151][  T736]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   29.763154][  T736]  ? ___sys_sendmsg (net/socket.c:2758)
[   29.763158][  T736]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.763160][  T736]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.763163][  T736]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.763164][  T736]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.763166][  T736]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.763167][  T736]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.763169][  T736]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   29.763171][  T736]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   29.763173][  T736]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   29.763175][  T736]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.763178][  T736]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   29.763182][  T736]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.763184][  T736]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   29.763189][  T736]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   29.763194][  T736]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.763196][  T736]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.763201][  T736]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.763203][  T736]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.763205][  T736]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.763206][  T736]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.763210][  T736]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.763212][  T736]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.763215][  T736]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.763217][  T736]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.763221][  T736]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.763223][  T736]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.763226][  T736]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.763228][  T736]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.763231][  T736]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.763238][  T736]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.763240][  T736]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.763245][  T736]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.763248][  T736]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.763251][  T736]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.763255][  T736]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.763259][  T736]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.763263][  T736]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.763265][  T736]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   29.763270][  T736]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   29.763273][  T736]  ____sys_sendmsg (net/socket.c:2713)
[   29.763275][  T736]  ? copy_msghdr_from_user (net/socket.c:2650)
[   29.763277][  T736]  ? sock_write_iter (net/socket.c:1269)
[   29.763279][  T736]  ? move_addr_to_kernel (net/socket.c:258)
[   29.763286][  T736]  ___sys_sendmsg (net/socket.c:2767)
[   29.763289][  T736]  ? copy_msghdr_from_user (net/socket.c:2619)
[   29.763305][  T736]  __sys_sendmsg (net/socket.c:2799)
[   29.763308][  T736]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   29.763314][  T736]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.763317][  T736]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.763320][  T736]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.763323][  T736]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.763325][  T736] RIP: 0033:0x7fc95eeda54e
[   29.763329][  T736] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.763331][  T736] RSP: 002b:00007fffc9f7cea0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.763333][  T736] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc95eeda54e
[   29.763335][  T736] RDX: 0000000000000000 RSI: 00007fffc9f7cf50 RDI: 0000000000000003
[   29.763335][  T736] RBP: 00007fffc9f7ceb0 R08: 0000000000000000 R09: 0000000000000000
[   29.763336][  T736] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9108f4
[   29.763337][  T736] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc9f7d610
| [   30.912316][  T199] softirqs last disabled at (3714300): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   30.912318][  T199] Preemption disabled at:
| [   30.912319][  T199] vprintk_emit (kernel/printk/printk.c:2471)
| [   30.912328][  T199] Tainted: [W]=WARN
[   30.912329][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.912330][  T199] Call Trace:
[   30.912332][  T199]  <TASK>
[   30.912334][  T199]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.912340][  T199]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   30.912341][  T199]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.912346][  T199]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.912350][  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)
[   30.912354][  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))
[   30.912356][  T199]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.912363][  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)
[   30.912366][  T199]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.912370][  T199]  put_chars (drivers/char/virtio_console.c:1176)
[   30.912372][  T199]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.912373][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.912377][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.912380][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.912385][  T199]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.912389][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.912394][  T199]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.912397][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.912402][  T199]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.912406][  T199]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.912408][  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))
[   30.912411][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.912413][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.912417][  T199]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.912421][  T199]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.912423][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.912428][  T199]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.912431][  T199]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.912433][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.912435][  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)
[   30.912438][  T199]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.912440][  T199]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.912443][  T199]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.912446][  T199]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.912448][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.912450][  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))
[   30.912455][  T199]  dev_vprintk_emit (drivers/base/core.c:5000)
[   30.912461][  T199]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   30.912466][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.912468][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.912472][  T199]  dev_printk_emit (drivers/base/core.c:5011)
[   30.912474][  T199]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   30.912477][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.912480][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.912481][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.912483][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.912485][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.912488][  T199]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   30.912495][  T199]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   30.912498][  T199]  ? netdev_notice (net/core/dev.c:13194)
[   30.912500][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.912503][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.912506][  T199]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   30.912509][  T199]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   30.912512][  T199]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   30.912514][  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))
[   30.912518][  T199]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   30.912521][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.912523][  T199]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   30.912529][  T199]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   30.912532][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.912535][  T199]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   30.912536][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.912538][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.912540][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.912542][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.912547][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.912548][  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))
[   30.912550][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   30.912554][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.912556][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   30.912558][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.912560][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.912561][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.912563][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.912564][  T199]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   30.912566][  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)
[   30.912569][  T199]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   30.912571][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   30.912573][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.912576][  T199]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   30.912577][  T199]  ? nla_get_range_signed (lib/nlattr.c:270)
[   30.912582][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.912585][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.912592][  T199]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   30.912596][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   30.912597][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.912620][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.912622][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.912625][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.912627][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.912629][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.912634][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.912635][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.912638][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   30.912639][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.912643][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   30.912645][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.912648][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.912650][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.912654][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.912656][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.912660][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.912663][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.912671][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.912678][  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))
[   30.912680][  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))
[   30.912685][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.912689][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.912693][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.912696][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.912700][  T199]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   30.912702][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.912705][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.912709][  T199]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   30.912712][  T199]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   30.912716][  T199]  __sys_sendto (net/socket.c:2281)
[   30.912719][  T199]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   30.912733][  T199]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   30.912735][  T199]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.912739][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   30.912741][  T199]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   30.912744][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.912746][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   30.912748][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.912751][  T199] RIP: 0033:0x7f5b8bac254e
[   30.912755][  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
[   30.912756][  T199] RSP: 002b:00007ffcc7dabbb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   30.912759][  T199] RAX: ffffffffffffffda RBX: 000055a650b75ba0 RCX: 00007f5b8bac254e
[   30.912760][  T199] RDX: 0000000000000030 RSI: 000055a650b67c30 RDI: 0000000000000012
[   30.912761][  T199] RBP: 00007ffcc7dabbc0 R08: 00007ffcc7dabc10 R09: 0000000000000080
[   30.912762][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000055a650d2e9c0
[   30.912763][  T199] R13: 00007ffcc7dabcf4 R14: 0000000000000000 R15: 0000000000000000
| [   31.957405][  T794] softirqs last disabled at (16408): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   31.957408][  T794] Preemption disabled at:
| [   31.957408][  T794] vprintk_emit (kernel/printk/printk.c:2471)
| [   31.957416][  T794] Tainted: [W]=WARN
[   31.957417][  T794] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.957419][  T794] Call Trace:
[   31.957421][  T794]  <TASK>
[   31.957422][  T794]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   31.957428][  T794]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   31.957430][  T794]  __might_resched.cold (kernel/sched/core.c:9234)
[   31.957434][  T794]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   31.957439][  T794]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   31.957443][  T794]  __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))
[   31.957445][  T794]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.957452][  T794]  ? 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)
[   31.957454][  T794]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.957458][  T794]  put_chars (drivers/char/virtio_console.c:1176)
[   31.957461][  T794]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   31.957464][  T794]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.957467][  T794]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.957470][  T794]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.957474][  T794]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   31.957478][  T794]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   31.957480][  T794]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.957481][  T794]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.957486][  T794]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   31.957487][  T794]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.957492][  T794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.957496][  T794]  console_emit_next_record (kernel/printk/printk.c:3183)
[   31.957500][  T794]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   31.957502][  T794]  ? 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))
[   31.957505][  T794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.957507][  T794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.957511][  T794]  console_flush_one_record (kernel/printk/printk.c:3268)
[   31.957515][  T794]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   31.957517][  T794]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.957523][  T794]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   31.957525][  T794]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   31.957527][  T794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.957529][  T794]  ? 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)
[   31.957533][  T794]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   31.957534][  T794]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   31.957537][  T794]  vprintk_emit (kernel/printk/printk.c:2479)
[   31.957540][  T794]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   31.957543][  T794]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   31.957547][  T794]  _printk (kernel/printk/printk.c:2504)
[   31.957551][  T794]  ? snapshot_read.cold (user.c:?)
[   31.957554][  T794]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.957556][  T794]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.957560][  T794]  ? notifier_call_chain (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/notifier.h:59 kernel/notifier.c:84)
[   31.957564][  T794]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   31.957568][  T794]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   31.957573][  T794]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   31.957577][  T794]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   31.957582][  T794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.957584][  T794]  notifier_call_chain (kernel/notifier.c:85)
[   31.957589][  T794]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   31.957594][  T794]  ? netif_change_name (net/core/dev.c:1517)
[   31.957598][  T794]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   31.957601][  T794]  ? write_profile (profile.c:?)
[   31.957606][  T794]  netif_change_flags (net/core/dev.c:9882)
[   31.957610][  T794]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   31.957614][  T794]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   31.957616][  T794]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   31.957617][  T794]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   31.957619][  T794]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.957623][  T794]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.957625][  T794]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.957626][  T794]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.957629][  T794]  ? kasan_save_stack (mm/kasan/common.c:58)
[   31.957631][  T794]  ? kasan_save_stack (mm/kasan/common.c:57)
[   31.957632][  T794]  ? kasan_save_track (mm/kasan/common.c:78)
[   31.957634][  T794]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   31.957636][  T794]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.957638][  T794]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   31.957641][  T794]  ? ___sys_sendmsg (net/socket.c:2758)
[   31.957645][  T794]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.957647][  T794]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   31.957650][  T794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.957651][  T794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.957653][  T794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.957654][  T794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.957656][  T794]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   31.957658][  T794]  ? __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)
[   31.957660][  T794]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   31.957662][  T794]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   31.957666][  T794]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   31.957676][  T794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.957678][  T794]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   31.957684][  T794]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   31.957689][  T794]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.957691][  T794]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.957695][  T794]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.957697][  T794]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.957699][  T794]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.957701][  T794]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.957705][  T794]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.957707][  T794]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   31.957710][  T794]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.957711][  T794]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.957716][  T794]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.957718][  T794]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.957721][  T794]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   31.957723][  T794]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.957726][  T794]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.957733][  T794]  ? 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))
[   31.957735][  T794]  ? 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))
[   31.957739][  T794]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.957743][  T794]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.957746][  T794]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.957750][  T794]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   31.957754][  T794]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   31.957758][  T794]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.957759][  T794]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   31.957765][  T794]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   31.957768][  T794]  ____sys_sendmsg (net/socket.c:2713)
[   31.957770][  T794]  ? copy_msghdr_from_user (net/socket.c:2650)
[   31.957772][  T794]  ? sock_write_iter (net/socket.c:1269)
[   31.957774][  T794]  ? move_addr_to_kernel (net/socket.c:258)
[   31.957781][  T794]  ___sys_sendmsg (net/socket.c:2767)
[   31.957784][  T794]  ? copy_msghdr_from_user (net/socket.c:2619)
[   31.957800][  T794]  __sys_sendmsg (net/socket.c:2799)
[   31.957802][  T794]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   31.957809][  T794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.957812][  T794]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   31.957815][  T794]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   31.957818][  T794]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.957820][  T794] RIP: 0033:0x7f45b1c6154e
[   31.957824][  T794] 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
[   31.957826][  T794] RSP: 002b:00007ffc911f6460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.957828][  T794] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f45b1c6154e
[   31.957830][  T794] RDX: 0000000000000000 RSI: 00007ffc911f6510 RDI: 0000000000000003
[   31.957831][  T794] RBP: 00007ffc911f6470 R08: 0000000000000000 R09: 0000000000000000
[   31.957831][  T794] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9108f6
[   31.957832][  T794] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc911f6bd0
| [   33.062850][  T822] softirqs last disabled at (11238): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   33.062852][  T822] Preemption disabled at:
| [   33.062853][  T822] vprintk_emit (kernel/printk/printk.c:2471)
| [   33.062861][  T822] Tainted: [W]=WARN
[   33.062862][  T822] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.062864][  T822] Call Trace:
[   33.062866][  T822]  <TASK>
[   33.062867][  T822]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   33.062873][  T822]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   33.062874][  T822]  __might_resched.cold (kernel/sched/core.c:9234)
[   33.062879][  T822]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   33.062883][  T822]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   33.062888][  T822]  __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))
[   33.062890][  T822]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.062896][  T822]  ? 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)
[   33.062899][  T822]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.062903][  T822]  put_chars (drivers/char/virtio_console.c:1176)
[   33.062906][  T822]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   33.062908][  T822]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.062911][  T822]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.062914][  T822]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.062918][  T822]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   33.062923][  T822]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   33.062925][  T822]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.062926][  T822]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.062931][  T822]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   33.062932][  T822]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.062937][  T822]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.062943][  T822]  console_emit_next_record (kernel/printk/printk.c:3183)
[   33.062947][  T822]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   33.062949][  T822]  ? 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))
[   33.062952][  T822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.062954][  T822]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.062958][  T822]  console_flush_one_record (kernel/printk/printk.c:3268)
[   33.062962][  T822]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   33.062964][  T822]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.062969][  T822]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   33.062972][  T822]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   33.062974][  T822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.062976][  T822]  ? 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)
[   33.062979][  T822]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   33.062981][  T822]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   33.062984][  T822]  vprintk_emit (kernel/printk/printk.c:2479)
[   33.062987][  T822]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   33.062989][  T822]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   33.062993][  T822]  _printk (kernel/printk/printk.c:2504)
[   33.062997][  T822]  ? snapshot_read.cold (user.c:?)
[   33.063000][  T822]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.063002][  T822]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.063006][  T822]  ? notifier_call_chain (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/notifier.h:59 kernel/notifier.c:84)
[   33.063010][  T822]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   33.063014][  T822]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   33.063019][  T822]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   33.063023][  T822]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   33.063029][  T822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.063030][  T822]  notifier_call_chain (kernel/notifier.c:85)
[   33.063035][  T822]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   33.063040][  T822]  ? netif_change_name (net/core/dev.c:1517)
[   33.063044][  T822]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   33.063047][  T822]  ? write_profile (profile.c:?)
[   33.063052][  T822]  netif_change_flags (net/core/dev.c:9882)
[   33.063056][  T822]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   33.063060][  T822]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   33.063062][  T822]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   33.063063][  T822]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   33.063065][  T822]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   33.063068][  T822]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.063070][  T822]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.063072][  T822]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.063074][  T822]  ? kasan_save_stack (mm/kasan/common.c:58)
[   33.063077][  T822]  ? kasan_save_stack (mm/kasan/common.c:57)
[   33.063078][  T822]  ? kasan_save_track (mm/kasan/common.c:78)
[   33.063079][  T822]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   33.063081][  T822]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.063083][  T822]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   33.063086][  T822]  ? ___sys_sendmsg (net/socket.c:2758)
[   33.063090][  T822]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.063092][  T822]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   33.063095][  T822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.063096][  T822]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.063098][  T822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.063099][  T822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.063101][  T822]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   33.063103][  T822]  ? __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)
[   33.063105][  T822]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   33.063107][  T822]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   33.063111][  T822]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   33.063114][  T822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.063116][  T822]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   33.063122][  T822]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   33.063127][  T822]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.063129][  T822]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.063133][  T822]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.063135][  T822]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.063137][  T822]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.063139][  T822]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.063142][  T822]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.063144][  T822]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   33.063148][  T822]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.063149][  T822]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.063153][  T822]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.063155][  T822]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.063159][  T822]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   33.063161][  T822]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.063163][  T822]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   33.063170][  T822]  ? 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))
[   33.063172][  T822]  ? 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))
[   33.063177][  T822]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.063181][  T822]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.063183][  T822]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.063187][  T822]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   33.063191][  T822]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   33.063195][  T822]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.063196][  T822]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   33.063202][  T822]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   33.063204][  T822]  ____sys_sendmsg (net/socket.c:2713)
[   33.063207][  T822]  ? copy_msghdr_from_user (net/socket.c:2650)
[   33.063209][  T822]  ? sock_write_iter (net/socket.c:1269)
[   33.063210][  T822]  ? move_addr_to_kernel (net/socket.c:258)
[   33.063218][  T822]  ___sys_sendmsg (net/socket.c:2767)
[   33.063221][  T822]  ? copy_msghdr_from_user (net/socket.c:2619)
[   33.063236][  T822]  __sys_sendmsg (net/socket.c:2799)
[   33.063239][  T822]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   33.063245][  T822]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.063248][  T822]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   33.063251][  T822]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   33.063254][  T822]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.063256][  T822] RIP: 0033:0x7f7e676f754e
[   33.063260][  T822] 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
[   33.063262][  T822] RSP: 002b:00007ffeaa05f1b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   33.063264][  T822] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7e676f754e
[   33.063266][  T822] RDX: 0000000000000000 RSI: 00007ffeaa05f260 RDI: 0000000000000003
[   33.063267][  T822] RBP: 00007ffeaa05f1c0 R08: 0000000000000000 R09: 0000000000000000
[   33.063267][  T822] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9108f7
[   33.063268][  T822] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeaa05f920
| [   34.168866][  T199] softirqs last disabled at (4280044): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   34.168869][  T199] Preemption disabled at:
| [   34.168870][  T199] vprintk_emit (kernel/printk/printk.c:2471)
| [   34.168878][  T199] Tainted: [W]=WARN
[   34.168879][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.168881][  T199] Call Trace:
[   34.168882][  T199]  <TASK>
[   34.168884][  T199]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   34.168890][  T199]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   34.168891][  T199]  __might_resched.cold (kernel/sched/core.c:9234)
[   34.168896][  T199]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   34.168900][  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)
[   34.168905][  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))
[   34.168906][  T199]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.168913][  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)
[   34.168916][  T199]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.168919][  T199]  put_chars (drivers/char/virtio_console.c:1176)
[   34.168922][  T199]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   34.168923][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.168927][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.168930][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.168934][  T199]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   34.168938][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.168947][  T199]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   34.168950][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.168955][  T199]  console_emit_next_record (kernel/printk/printk.c:3183)
[   34.168959][  T199]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   34.168961][  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))
[   34.168964][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.168966][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.168970][  T199]  console_flush_one_record (kernel/printk/printk.c:3268)
[   34.168974][  T199]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   34.168976][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.168981][  T199]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   34.168984][  T199]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   34.168986][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.168988][  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)
[   34.168992][  T199]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   34.168993][  T199]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   34.168996][  T199]  vprintk_emit (kernel/printk/printk.c:2479)
[   34.168999][  T199]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   34.169000][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   34.169003][  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))
[   34.169008][  T199]  dev_vprintk_emit (drivers/base/core.c:5000)
[   34.169013][  T199]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   34.169018][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   34.169020][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.169024][  T199]  dev_printk_emit (drivers/base/core.c:5011)
[   34.169027][  T199]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   34.169029][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.169032][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.169033][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.169035][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.169037][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.169040][  T199]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   34.169047][  T199]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   34.169050][  T199]  ? netdev_notice (net/core/dev.c:13194)
[   34.169052][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.169055][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.169058][  T199]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   34.169061][  T199]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   34.169064][  T199]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   34.169067][  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))
[   34.169070][  T199]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   34.169073][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.169076][  T199]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   34.169082][  T199]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   34.169084][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.169087][  T199]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   34.169089][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   34.169090][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.169092][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.169094][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.169099][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.169101][  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))
[   34.169102][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   34.169106][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.169108][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   34.169110][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.169112][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.169113][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.169115][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.169116][  T199]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   34.169118][  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)
[   34.169121][  T199]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   34.169123][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   34.169125][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   34.169128][  T199]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   34.169129][  T199]  ? nla_get_range_signed (lib/nlattr.c:270)
[   34.169133][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.169136][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.169144][  T199]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   34.169147][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   34.169148][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.169172][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.169174][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.169176][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.169178][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   34.169180][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.169185][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.169187][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.169189][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   34.169190][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.169194][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   34.169196][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   34.169199][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.169201][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.169205][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.169207][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.169211][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   34.169214][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.169217][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.169223][  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))
[   34.169225][  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))
[   34.169230][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.169234][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.169236][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.169239][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.169243][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   34.169247][  T199]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   34.169248][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.169251][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.169256][  T199]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   34.169259][  T199]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   34.169262][  T199]  __sys_sendto (net/socket.c:2281)
[   34.169265][  T199]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   34.169276][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   34.169282][  T199]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   34.169284][  T199]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   34.169288][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   34.169290][  T199]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   34.169292][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   34.169294][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   34.169297][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.169299][  T199] RIP: 0033:0x7f5b8bac254e
[   34.169302][  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
[   34.169304][  T199] RSP: 002b:00007ffcc7dabbb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   34.169307][  T199] RAX: ffffffffffffffda RBX: 000055a650b75ba0 RCX: 00007f5b8bac254e
[   34.169308][  T199] RDX: 0000000000000030 RSI: 000055a650b7cdb0 RDI: 0000000000000012
[   34.169309][  T199] RBP: 00007ffcc7dabbc0 R08: 00007ffcc7dabc10 R09: 0000000000000080
[   34.169310][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000055a650d37c40
[   34.169310][  T199] R13: 00007ffcc7dabcf4 R14: 0000000000000000 R15: 0000000000000000
| [   35.371311][  T862] softirqs last disabled at (148782): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   35.371314][  T862] Preemption disabled at:
| [   35.371315][  T862] vprintk_emit (kernel/printk/printk.c:2471)
| [   35.371324][  T862] Tainted: [W]=WARN
[   35.371325][  T862] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.371327][  T862] Call Trace:
[   35.371328][  T862]  <TASK>
[   35.371330][  T862]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   35.371336][  T862]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   35.371338][  T862]  __might_resched.cold (kernel/sched/core.c:9234)
[   35.371342][  T862]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   35.371347][  T862]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   35.371352][  T862]  __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))
[   35.371354][  T862]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.371361][  T862]  ? 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)
[   35.371364][  T862]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.371368][  T862]  put_chars (drivers/char/virtio_console.c:1176)
[   35.371370][  T862]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   35.371371][  T862]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.371375][  T862]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.371378][  T862]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.371383][  T862]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   35.371387][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.371392][  T862]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   35.371396][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.371401][  T862]  console_emit_next_record (kernel/printk/printk.c:3183)
[   35.371405][  T862]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   35.371407][  T862]  ? 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))
[   35.371411][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.371412][  T862]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.371416][  T862]  console_flush_one_record (kernel/printk/printk.c:3268)
[   35.371421][  T862]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   35.371423][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.371428][  T862]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   35.371431][  T862]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   35.371433][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.371435][  T862]  ? 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)
[   35.371439][  T862]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   35.371441][  T862]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   35.371443][  T862]  vprintk_emit (kernel/printk/printk.c:2479)
[   35.371447][  T862]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   35.371448][  T862]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   35.371450][  T862]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   35.371456][  T862]  dev_vprintk_emit (drivers/base/core.c:5000)
[   35.371462][  T862]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   35.371467][  T862]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   35.371469][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.371473][  T862]  dev_printk_emit (drivers/base/core.c:5011)
[   35.371476][  T862]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   35.371478][  T862]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.371481][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.371483][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.371484][  T862]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.371486][  T862]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.371490][  T862]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   35.371496][  T862]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   35.371499][  T862]  ? netdev_notice (net/core/dev.c:13194)
[   35.371502][  T862]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.371505][  T862]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.371508][  T862]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   35.371511][  T862]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   35.371514][  T862]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   35.371517][  T862]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   35.371521][  T862]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   35.371523][  T862]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.371526][  T862]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   35.371532][  T862]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   35.371535][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.371538][  T862]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   35.371540][  T862]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   35.371542][  T862]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.371544][  T862]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.371545][  T862]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.371550][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.371552][  T862]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   35.371554][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   35.371558][  T862]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.371560][  T862]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   35.371562][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.371564][  T862]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.371566][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.371567][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.371569][  T862]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   35.371571][  T862]  ? __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)
[   35.371574][  T862]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   35.371576][  T862]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   35.371578][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.371581][  T862]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   35.371582][  T862]  ? nla_get_range_signed (lib/nlattr.c:270)
[   35.371587][  T862]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.371590][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.371597][  T862]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   35.371601][  T862]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   35.371602][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.371626][  T862]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.371628][  T862]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.371631][  T862]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.371633][  T862]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   35.371635][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.371640][  T862]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.371642][  T862]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.371644][  T862]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   35.371645][  T862]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.371649][  T862]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   35.371652][  T862]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   35.371655][  T862]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.371656][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.371661][  T862]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.371663][  T862]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.371667][  T862]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   35.371670][  T862]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.371673][  T862]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.371684][  T862]  ? 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))
[   35.371687][  T862]  ? 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))
[   35.371691][  T862]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.371695][  T862]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.371699][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.371703][  T862]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   35.371707][  T862]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   35.371709][  T862]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.371712][  T862]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.371717][  T862]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   35.371720][  T862]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   35.371723][  T862]  __sys_sendto (net/socket.c:2281)
[   35.371726][  T862]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   35.371741][  T862]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   35.371743][  T862]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.371747][  T862]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   35.371749][  T862]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   35.371752][  T862]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   35.371754][  T862]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   35.371756][  T862]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.371758][  T862] RIP: 0033:0x7f5b8bac254e
[   35.371762][  T862] 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
[   35.371764][  T862] RSP: 002b:00007ffcc7dabbb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   35.371767][  T862] RAX: ffffffffffffffda RBX: 000055a650ce9d30 RCX: 00007f5b8bac254e
[   35.371768][  T862] RDX: 0000000000000030 RSI: 000055a650d09190 RDI: 0000000000000024
[   35.371769][  T862] RBP: 00007ffcc7dabbc0 R08: 00007ffcc7dabc10 R09: 0000000000000080
[   35.371770][  T862] R10: 0000000000000000 R11: 0000000000000202 R12: 000055a650ccd9c0
[   35.371771][  T862] R13: 00007ffcc7dabcf4 R14: 0000000000000000 R15: 0000000000000000
| [   36.458920][  T906] softirqs last disabled at (11792): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   36.458922][  T906] Preemption disabled at:
| [   36.458923][  T906] vprintk_emit (kernel/printk/printk.c:2471)
| [   36.458931][  T906] Tainted: [W]=WARN
[   36.458932][  T906] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.458934][  T906] Call Trace:
[   36.458935][  T906]  <TASK>
[   36.458937][  T906]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   36.458945][  T906]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   36.458946][  T906]  __might_resched.cold (kernel/sched/core.c:9234)
[   36.458951][  T906]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   36.458955][  T906]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   36.458959][  T906]  __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))
[   36.458961][  T906]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.458968][  T906]  ? 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)
[   36.458970][  T906]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.458974][  T906]  put_chars (drivers/char/virtio_console.c:1176)
[   36.458977][  T906]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   36.458979][  T906]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.458982][  T906]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.458985][  T906]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.458989][  T906]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   36.458993][  T906]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   36.458995][  T906]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.458996][  T906]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.459000][  T906]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   36.459002][  T906]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.459006][  T906]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.459010][  T906]  console_emit_next_record (kernel/printk/printk.c:3183)
[   36.459014][  T906]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   36.459016][  T906]  ? 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))
[   36.459019][  T906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.459021][  T906]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.459025][  T906]  console_flush_one_record (kernel/printk/printk.c:3268)
[   36.459029][  T906]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   36.459031][  T906]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.459036][  T906]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   36.459039][  T906]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   36.459041][  T906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.459043][  T906]  ? 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)
[   36.459046][  T906]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   36.459048][  T906]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   36.459051][  T906]  vprintk_emit (kernel/printk/printk.c:2479)
[   36.459054][  T906]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   36.459056][  T906]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   36.459060][  T906]  _printk (kernel/printk/printk.c:2504)
[   36.459064][  T906]  ? snapshot_read.cold (user.c:?)
[   36.459067][  T906]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.459069][  T906]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.459073][  T906]  ? notifier_call_chain (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/notifier.h:59 kernel/notifier.c:84)
[   36.459076][  T906]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   36.459081][  T906]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   36.459086][  T906]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   36.459089][  T906]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   36.459095][  T906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.459097][  T906]  notifier_call_chain (kernel/notifier.c:85)
[   36.459101][  T906]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   36.459106][  T906]  ? netif_change_name (net/core/dev.c:1517)
[   36.459110][  T906]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   36.459113][  T906]  ? write_profile (profile.c:?)
[   36.459118][  T906]  netif_change_flags (net/core/dev.c:9882)
[   36.459122][  T906]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   36.459126][  T906]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   36.459128][  T906]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   36.459129][  T906]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   36.459131][  T906]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.459134][  T906]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.459136][  T906]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.459138][  T906]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.459140][  T906]  ? kasan_save_stack (mm/kasan/common.c:58)
[   36.459142][  T906]  ? kasan_save_stack (mm/kasan/common.c:57)
[   36.459144][  T906]  ? kasan_save_track (mm/kasan/common.c:78)
[   36.459145][  T906]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   36.459147][  T906]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.459149][  T906]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   36.459152][  T906]  ? ___sys_sendmsg (net/socket.c:2758)
[   36.459156][  T906]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.459158][  T906]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.459160][  T906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.459162][  T906]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.459163][  T906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.459164][  T906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.459166][  T906]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   36.459168][  T906]  ? __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)
[   36.459171][  T906]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   36.459173][  T906]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.459176][  T906]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   36.459180][  T906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.459182][  T906]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   36.459187][  T906]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   36.459192][  T906]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.459194][  T906]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.459199][  T906]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.459201][  T906]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.459203][  T906]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.459204][  T906]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.459208][  T906]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.459210][  T906]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   36.459213][  T906]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.459214][  T906]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.459219][  T906]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.459221][  T906]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.459224][  T906]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   36.459226][  T906]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.459229][  T906]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.459235][  T906]  ? 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))
[   36.459237][  T906]  ? 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))
[   36.459242][  T906]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.459246][  T906]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.459248][  T906]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.459252][  T906]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   36.459256][  T906]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   36.459260][  T906]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.459262][  T906]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   36.459267][  T906]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   36.459270][  T906]  ____sys_sendmsg (net/socket.c:2713)
[   36.459272][  T906]  ? copy_msghdr_from_user (net/socket.c:2650)
[   36.459274][  T906]  ? sock_write_iter (net/socket.c:1269)
[   36.459276][  T906]  ? move_addr_to_kernel (net/socket.c:258)
[   36.459283][  T906]  ___sys_sendmsg (net/socket.c:2767)
[   36.459286][  T906]  ? copy_msghdr_from_user (net/socket.c:2619)
[   36.459302][  T906]  __sys_sendmsg (net/socket.c:2799)
[   36.459304][  T906]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   36.459310][  T906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.459313][  T906]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   36.459316][  T906]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   36.459319][  T906]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.459321][  T906] RIP: 0033:0x7f3d1c8ec54e
[   36.459325][  T906] 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
[   36.459327][  T906] RSP: 002b:00007ffef73db530 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.459330][  T906] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3d1c8ec54e
[   36.459331][  T906] RDX: 0000000000000000 RSI: 00007ffef73db5e0 RDI: 0000000000000003
[   36.459332][  T906] RBP: 00007ffef73db540 R08: 0000000000000000 R09: 0000000000000000
[   36.459333][  T906] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9108fa
[   36.459334][  T906] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffef73dbca0
| [   37.493952][  T862] softirqs last disabled at (456056): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   37.493954][  T862] Preemption disabled at:
| [   37.493955][  T862] vprintk_emit (kernel/printk/printk.c:2471)
| [   37.493963][  T862] Tainted: [W]=WARN
[   37.493964][  T862] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.493966][  T862] Call Trace:
[   37.493968][  T862]  <TASK>
[   37.493969][  T862]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   37.493976][  T862]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   37.493977][  T862]  __might_resched.cold (kernel/sched/core.c:9234)
[   37.493982][  T862]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   37.493986][  T862]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   37.493990][  T862]  __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))
[   37.493992][  T862]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.493999][  T862]  ? 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)
[   37.494001][  T862]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.494005][  T862]  put_chars (drivers/char/virtio_console.c:1176)
[   37.494007][  T862]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   37.494009][  T862]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   37.494012][  T862]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.494015][  T862]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   37.494020][  T862]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   37.494024][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.494029][  T862]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   37.494032][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.494037][  T862]  console_emit_next_record (kernel/printk/printk.c:3183)
[   37.494041][  T862]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   37.494043][  T862]  ? 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))
[   37.494046][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.494048][  T862]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.494052][  T862]  console_flush_one_record (kernel/printk/printk.c:3268)
[   37.494056][  T862]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   37.494058][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.494063][  T862]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   37.494066][  T862]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   37.494068][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.494070][  T862]  ? 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)
[   37.494074][  T862]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   37.494075][  T862]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   37.494078][  T862]  vprintk_emit (kernel/printk/printk.c:2479)
[   37.494081][  T862]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   37.494083][  T862]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   37.494085][  T862]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   37.494090][  T862]  dev_vprintk_emit (drivers/base/core.c:5000)
[   37.494095][  T862]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   37.494100][  T862]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   37.494102][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.494106][  T862]  dev_printk_emit (drivers/base/core.c:5011)
[   37.494108][  T862]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   37.494111][  T862]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   37.494114][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.494115][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.494117][  T862]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   37.494119][  T862]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   37.494122][  T862]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   37.494129][  T862]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   37.494132][  T862]  ? netdev_notice (net/core/dev.c:13194)
[   37.494134][  T862]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.494137][  T862]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.494140][  T862]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   37.494143][  T862]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   37.494146][  T862]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   37.494148][  T862]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   37.494152][  T862]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   37.494155][  T862]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.494157][  T862]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   37.494163][  T862]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   37.494166][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.494169][  T862]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   37.494170][  T862]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   37.494172][  T862]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   37.494174][  T862]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.494176][  T862]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   37.494181][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.494183][  T862]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   37.494184][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   37.494188][  T862]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.494190][  T862]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   37.494193][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.494194][  T862]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.494196][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.494197][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.494199][  T862]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   37.494201][  T862]  ? __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)
[   37.494204][  T862]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   37.494206][  T862]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   37.494208][  T862]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   37.494210][  T862]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   37.494212][  T862]  ? nla_get_range_signed (lib/nlattr.c:270)
[   37.494216][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.494219][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.494226][  T862]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   37.494230][  T862]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   37.494231][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.494253][  T862]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.494255][  T862]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.494258][  T862]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.494260][  T862]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   37.494262][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.494267][  T862]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.494269][  T862]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.494271][  T862]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   37.494272][  T862]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.494276][  T862]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   37.494278][  T862]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   37.494281][  T862]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.494283][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.494287][  T862]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.494289][  T862]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.494293][  T862]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   37.494296][  T862]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.494299][  T862]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.494305][  T862]  ? 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))
[   37.494307][  T862]  ? 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))
[   37.494311][  T862]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.494315][  T862]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.494319][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.494323][  T862]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   37.494327][  T862]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   37.494328][  T862]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.494331][  T862]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.494336][  T862]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   37.494339][  T862]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   37.494342][  T862]  __sys_sendto (net/socket.c:2281)
[   37.494346][  T862]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   37.494360][  T862]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   37.494362][  T862]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.494365][  T862]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   37.494368][  T862]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   37.494371][  T862]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   37.494373][  T862]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   37.494375][  T862]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.494377][  T862] RIP: 0033:0x7f5b8bac254e
[   37.494381][  T862] 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
[   37.494383][  T862] RSP: 002b:00007ffcc7dabbb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   37.494385][  T862] RAX: ffffffffffffffda RBX: 000055a650ce9d30 RCX: 00007f5b8bac254e
[   37.494387][  T862] RDX: 0000000000000030 RSI: 000055a650ceda30 RDI: 0000000000000024
[   37.494388][  T862] RBP: 00007ffcc7dabbc0 R08: 00007ffcc7dabc10 R09: 0000000000000080
[   37.494388][  T862] R10: 0000000000000000 R11: 0000000000000202 R12: 000055a650cd3ee0


Finger prints:
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars