======================================
| [    9.848065][  T200] softirqs last disabled at (50762): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [    9.848067][  T200] Preemption disabled at:
| [    9.848068][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [    9.848076][  T200] Tainted: [W]=WARN
[    9.848077][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.848079][  T200] Call Trace:
[    9.848080][  T200]  <TASK>
[    9.848082][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.848088][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[    9.848089][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.848094][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.848098][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.848102][  T200]  __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))
[    9.848104][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.848110][  T200]  ? 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)
[    9.848113][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.848117][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[    9.848119][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.848122][  T200]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[    9.848127][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.848131][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.848136][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.848140][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.848145][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.848149][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.848150][  T200]  ? 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))
[    9.848154][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.848155][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.848159][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.848164][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.848166][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.848171][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.848174][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.848175][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.848177][  T200]  ? 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)
[    9.848181][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.848183][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.848185][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.848188][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.848189][  T200]  ? __kernel_text_address (kernel/extable.c:79)
[    9.848192][  T200]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.848196][  T200]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[    9.848201][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[    9.848206][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[    9.848214][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[    9.848216][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[    9.848220][  T200]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[    9.848225][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[    9.848231][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[    9.848234][  T200]  ? netdev_notice (net/core/dev.c:13194)
[    9.848236][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.848239][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.848242][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[    9.848245][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    9.848247][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[    9.848250][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[    9.848253][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[    9.848256][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.848259][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[    9.848264][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    9.848267][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.848270][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[    9.848271][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.848273][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.848275][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.848278][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.848282][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.848284][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[    9.848286][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[    9.848289][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.848291][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[    9.848294][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.848296][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.848297][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.848298][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.848300][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[    9.848302][  T200]  ? __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)
[    9.848305][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[    9.848307][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[    9.848308][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.848311][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[    9.848312][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[    9.848316][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.848319][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.848326][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[    9.848329][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[    9.848330][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.848353][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.848355][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.848357][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.848359][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.848361][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.848366][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.848368][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.848369][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[    9.848371][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.848375][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[    9.848377][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[    9.848380][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.848381][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.848386][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.848387][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.848391][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[    9.848394][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.848397][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.848403][  T200]  ? 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))
[    9.848405][  T200]  ? 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))
[    9.848410][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.848416][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.848419][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.848423][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[    9.848427][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[    9.848429][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.848431][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.848436][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[    9.848439][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[    9.848442][  T200]  __sys_sendto (net/socket.c:2281)
[    9.848445][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[    9.848456][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[    9.848461][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[    9.848464][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.848467][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[    9.848469][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[    9.848471][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.848473][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.848476][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.848478][  T200] RIP: 0033:0x7f9d13c7954e
[    9.848482][  T200] 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
[    9.848483][  T200] RSP: 002b:00007fff70f5fce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    9.848486][  T200] RAX: ffffffffffffffda RBX: 000055d991857d30 RCX: 00007f9d13c7954e
[    9.848487][  T200] RDX: 0000000000000030 RSI: 000055d991859db0 RDI: 0000000000000014
[    9.848488][  T200] RBP: 00007fff70f5fcf0 R08: 00007fff70f5fd40 R09: 0000000000000080
[    9.848488][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000055d9919d1f90
[    9.848489][  T200] R13: 00007fff70f5fe24 R14: 0000000000000000 R15: 0000000000000000
| [   11.510734][  T200] softirqs last disabled at (339200): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   11.510737][  T200] Preemption disabled at:
| [   11.510737][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.510746][  T200] Tainted: [W]=WARN
[   11.510747][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.510748][  T200] Call Trace:
[   11.510750][  T200]  <TASK>
[   11.510751][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.510757][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.510759][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.510763][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.510768][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.510772][  T200]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.510774][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.510780][  T200]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.510783][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.510787][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   11.510789][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.510790][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.510799][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.510802][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.510807][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.510811][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.510816][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.510819][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.510824][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.510828][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.510830][  T200]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.510833][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.510835][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.510839][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.510843][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.510845][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.510850][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.510853][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.510854][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.510856][  T200]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   11.510860][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.510861][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.510864][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.510867][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.510868][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.510871][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   11.510876][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   11.510881][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   11.510886][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.510888][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.510891][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   11.510893][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   11.510896][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.510899][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.510900][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.510902][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.510903][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.510907][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   11.510913][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   11.510916][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   11.510919][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.510922][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.510924][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.510927][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.510930][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   11.510933][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   11.510936][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   11.510939][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.510941][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.510947][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.510950][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.510953][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.510954][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.510956][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.510958][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.510960][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.510964][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.510966][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   11.510967][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   11.510971][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.510973][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   11.510975][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.510977][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.510979][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.510980][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.510981][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.510984][  T200]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   11.510986][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.510988][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   11.510990][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.510993][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.510994][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.510998][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.511001][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.511008][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   11.511012][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   11.511013][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.511035][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.511037][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.511040][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.511042][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.511044][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.511048][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.511050][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.511052][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   11.511054][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.511057][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   11.511059][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.511063][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.511064][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.511068][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.511070][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.511074][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.511077][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.511080][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.511086][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.511088][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.511093][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.511096][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.511100][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.511103][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.511107][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.511109][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.511112][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.511116][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   11.511119][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   11.511123][  T200]  __sys_sendto (net/socket.c:2281)
[   11.511126][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   11.511140][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   11.511142][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.511145][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.511148][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   11.511150][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.511152][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.511155][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.511157][  T200] RIP: 0033:0x7f9d13c7954e
[   11.511160][  T200] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.511162][  T200] RSP: 002b:00007fff70f5fce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   11.511165][  T200] RAX: ffffffffffffffda RBX: 000055d991857d30 RCX: 00007f9d13c7954e
[   11.511166][  T200] RDX: 0000000000000030 RSI: 000055d991858260 RDI: 0000000000000014
[   11.511167][  T200] RBP: 00007fff70f5fcf0 R08: 00007fff70f5fd40 R09: 0000000000000080
[   11.511167][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000055d9919db7e0
[   11.511168][  T200] R13: 00007fff70f5fe24 R14: 0000000000000000 R15: 0000000000000000
| [   12.824815][  T200] softirqs last disabled at (647148): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   12.824818][  T200] Preemption disabled at:
| [   12.824818][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.824827][  T200] Tainted: [W]=WARN
[   12.824828][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.824829][  T200] Call Trace:
[   12.824831][  T200]  <TASK>
[   12.824833][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.824838][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.824840][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.824844][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.824849][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.824853][  T200]  __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))
[   12.824855][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.824861][  T200]  ? 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)
[   12.824864][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.824868][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   12.824870][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.824872][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.824875][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.824878][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.824882][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.824886][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.824891][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.824894][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.824899][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.824903][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.824905][  T200]  ? 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))
[   12.824908][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.824909][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.824913][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.824917][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.824919][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.824925][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.824928][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.824929][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.824931][  T200]  ? 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)
[   12.824935][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.824937][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.824939][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.824942][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.824944][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.824946][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   12.824951][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   12.824957][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   12.824961][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.824964][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.824967][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   12.824970][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   12.824972][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.824975][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.824976][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.824978][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.824980][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.824983][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   12.824989][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   12.824992][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   12.824995][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.824998][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.825000][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.825003][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.825006][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   12.825008][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   12.825012][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   12.825015][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.825017][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   12.825023][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.825026][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.825029][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.825030][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.825032][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.825034][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.825036][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.825040][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.825042][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   12.825043][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   12.825047][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.825049][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   12.825051][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.825053][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.825055][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.825056][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.825058][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.825060][  T200]  ? __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)
[   12.825063][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.825064][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   12.825066][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.825069][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.825070][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.825074][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.825077][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.825084][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   12.825088][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   12.825089][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.825111][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.825113][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.825116][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.825118][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.825120][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.825124][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.825126][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.825128][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   12.825130][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.825133][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   12.825135][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.825138][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.825140][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.825144][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.825146][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.825150][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.825152][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.825155][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.825162][  T200]  ? 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))
[   12.825164][  T200]  ? 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))
[   12.825168][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.825172][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.825176][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.825179][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.825183][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.825185][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.825187][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.825192][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   12.825195][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   12.825199][  T200]  __sys_sendto (net/socket.c:2281)
[   12.825202][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   12.825212][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   12.825218][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   12.825220][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.825224][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.825225][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   12.825228][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.825230][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.825232][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.825234][  T200] RIP: 0033:0x7f9d13c7954e
[   12.825238][  T200] 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
[   12.825240][  T200] RSP: 002b:00007fff70f5fce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   12.825242][  T200] RAX: ffffffffffffffda RBX: 000055d991857d30 RCX: 00007f9d13c7954e
[   12.825243][  T200] RDX: 0000000000000030 RSI: 000055d9918b7730 RDI: 0000000000000014
[   12.825244][  T200] RBP: 00007fff70f5fcf0 R08: 00007fff70f5fd40 R09: 0000000000000080
[   12.825245][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000055d991a141a0
[   12.825246][  T200] R13: 00007fff70f5fe24 R14: 0000000000000000 R15: 0000000000000000
| [   13.905369][  T200] softirqs last disabled at (891318): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   13.905372][  T200] Preemption disabled at:
| [   13.905373][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.905381][  T200] Tainted: [W]=WARN
[   13.905382][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.905383][  T200] Call Trace:
[   13.905385][  T200]  <TASK>
[   13.905386][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.905392][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.905394][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.905398][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.905402][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.905407][  T200]  __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))
[   13.905409][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.905418][  T200]  ? 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)
[   13.905421][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.905424][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   13.905427][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.905428][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.905431][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.905434][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.905439][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.905443][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.905448][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.905451][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.905456][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.905460][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.905462][  T200]  ? 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))
[   13.905465][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.905467][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.905471][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.905475][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.905477][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.905482][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.905485][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.905487][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.905488][  T200]  ? 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)
[   13.905492][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.905494][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.905497][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.905500][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.905501][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.905503][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   13.905508][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   13.905513][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   13.905518][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.905520][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.905524][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   13.905526][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   13.905529][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.905531][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.905533][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.905535][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.905536][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.905540][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   13.905546][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   13.905549][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   13.905552][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.905555][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.905557][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.905561][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   13.905563][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   13.905566][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   13.905569][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   13.905572][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.905575][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   13.905581][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   13.905584][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.905587][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.905588][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.905590][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.905591][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.905593][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.905598][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.905600][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   13.905602][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   13.905605][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.905607][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   13.905610][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.905612][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.905613][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.905614][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.905616][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.905618][  T200]  ? __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)
[   13.905621][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.905623][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   13.905624][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.905627][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.905628][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.905632][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.905636][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.905643][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   13.905646][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   13.905647][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.905670][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.905672][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.905675][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.905677][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.905679][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.905683][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.905685][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.905687][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   13.905689][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.905693][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   13.905695][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.905698][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.905699][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.905704][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.905706][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.905709][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.905712][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.905715][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.905722][  T200]  ? 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))
[   13.905724][  T200]  ? 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))
[   13.905728][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.905732][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.905736][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.905740][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.905744][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.905745][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.905748][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.905753][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   13.905755][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   13.905759][  T200]  __sys_sendto (net/socket.c:2281)
[   13.905762][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   13.905776][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   13.905779][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.905782][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.905784][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   13.905787][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.905789][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.905791][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.905793][  T200] RIP: 0033:0x7f9d13c7954e
[   13.905797][  T200] 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
[   13.905799][  T200] RSP: 002b:00007fff70f5fce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   13.905801][  T200] RAX: ffffffffffffffda RBX: 000055d991857d30 RCX: 00007f9d13c7954e
[   13.905803][  T200] RDX: 0000000000000030 RSI: 000055d9919e88c0 RDI: 0000000000000014
[   13.905803][  T200] RBP: 00007fff70f5fcf0 R08: 00007fff70f5fd40 R09: 0000000000000080
[   13.905804][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000055d9919e8490
[   13.905805][  T200] R13: 00007fff70f5fe24 R14: 0000000000000000 R15: 0000000000000000
| [   14.949647][  T357] softirqs last disabled at (11982): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   14.949649][  T357] Preemption disabled at:
| [   14.949649][  T357] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.949657][  T357] Tainted: [W]=WARN
[   14.949658][  T357] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.949660][  T357] Call Trace:
[   14.949661][  T357]  <TASK>
[   14.949663][  T357]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.949669][  T357]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.949670][  T357]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.949675][  T357]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.949679][  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)
[   14.949684][  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))
[   14.949686][  T357]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.949692][  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)
[   14.949695][  T357]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.949698][  T357]  put_chars (drivers/char/virtio_console.c:1176)
[   14.949701][  T357]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.949704][  T357]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.949707][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.949710][  T357]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.949714][  T357]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.949718][  T357]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.949720][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.949721][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.949726][  T357]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.949727][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.949732][  T357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.949736][  T357]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.949740][  T357]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.949742][  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))
[   14.949745][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.949747][  T357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.949751][  T357]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.949756][  T357]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.949757][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.949763][  T357]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.949766][  T357]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.949768][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.949769][  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)
[   14.949773][  T357]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.949775][  T357]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.949778][  T357]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.949781][  T357]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.949783][  T357]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.949788][  T357]  _printk (kernel/printk/printk.c:2504)
[   14.949791][  T357]  ? snapshot_read.cold (user.c:?)
[   14.949795][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.949797][  T357]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.949800][  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)
[   14.949804][  T357]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   14.949809][  T357]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   14.949814][  T357]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   14.949822][  T357]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   14.949828][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.949830][  T357]  notifier_call_chain (kernel/notifier.c:85)
[   14.949835][  T357]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   14.949840][  T357]  ? netif_change_name (net/core/dev.c:1517)
[   14.949844][  T357]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.949847][  T357]  ? write_profile (profile.c:?)
[   14.949852][  T357]  netif_change_flags (net/core/dev.c:9882)
[   14.949856][  T357]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   14.949859][  T357]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.949862][  T357]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.949863][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.949865][  T357]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.949868][  T357]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.949870][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.949872][  T357]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.949874][  T357]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.949877][  T357]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.949878][  T357]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.949879][  T357]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   14.949881][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.949883][  T357]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   14.949886][  T357]  ? ___sys_sendmsg (net/socket.c:2758)
[   14.949890][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.949892][  T357]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.949895][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.949896][  T357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.949898][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.949899][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.949901][  T357]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.949903][  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)
[   14.949905][  T357]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.949907][  T357]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.949911][  T357]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.949914][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.949916][  T357]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.949921][  T357]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.949927][  T357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.949929][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.949933][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.949935][  T357]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.949937][  T357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.949938][  T357]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.949942][  T357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.949944][  T357]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.949947][  T357]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.949949][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.949953][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.949955][  T357]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.949958][  T357]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.949960][  T357]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.949963][  T357]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.949969][  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))
[   14.949972][  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))
[   14.949976][  T357]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.949980][  T357]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.949982][  T357]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.949987][  T357]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.949990][  T357]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.949994][  T357]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.949996][  T357]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   14.950001][  T357]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   14.950004][  T357]  ____sys_sendmsg (net/socket.c:2713)
[   14.950006][  T357]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.950009][  T357]  ? sock_write_iter (net/socket.c:1269)
[   14.950010][  T357]  ? move_addr_to_kernel (net/socket.c:258)
[   14.950017][  T357]  ___sys_sendmsg (net/socket.c:2767)
[   14.950020][  T357]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.950036][  T357]  __sys_sendmsg (net/socket.c:2799)
[   14.950038][  T357]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.950045][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.950048][  T357]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.950051][  T357]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.950053][  T357]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.950056][  T357] RIP: 0033:0x7f5b0d12154e
[   14.950059][  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
[   14.950061][  T357] RSP: 002b:00007ffc69eb6180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.950064][  T357] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5b0d12154e
[   14.950065][  T357] RDX: 0000000000000000 RSI: 00007ffc69eb6230 RDI: 0000000000000003
[   14.950066][  T357] RBP: 00007ffc69eb6190 R08: 0000000000000000 R09: 0000000000000000
[   14.950067][  T357] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911bb7
[   14.950067][  T357] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc69eb68f0
| [   16.025126][  T388] softirqs last disabled at (12416): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   16.025128][  T388] Preemption disabled at:
| [   16.025129][  T388] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.025137][  T388] Tainted: [W]=WARN
[   16.025138][  T388] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.025140][  T388] Call Trace:
[   16.025141][  T388]  <TASK>
[   16.025143][  T388]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.025149][  T388]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.025150][  T388]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.025154][  T388]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.025159][  T388]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.025163][  T388]  __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))
[   16.025164][  T388]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.025171][  T388]  ? 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)
[   16.025174][  T388]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.025177][  T388]  put_chars (drivers/char/virtio_console.c:1176)
[   16.025180][  T388]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.025182][  T388]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.025185][  T388]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.025188][  T388]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.025192][  T388]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.025196][  T388]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.025198][  T388]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.025199][  T388]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.025203][  T388]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.025205][  T388]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.025210][  T388]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.025213][  T388]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.025218][  T388]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.025219][  T388]  ? 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))
[   16.025223][  T388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.025224][  T388]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.025228][  T388]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.025232][  T388]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.025234][  T388]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.025240][  T388]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.025242][  T388]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.025244][  T388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.025246][  T388]  ? 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)
[   16.025249][  T388]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.025251][  T388]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.025254][  T388]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.025257][  T388]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.025259][  T388]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.025263][  T388]  _printk (kernel/printk/printk.c:2504)
[   16.025267][  T388]  ? snapshot_read.cold (user.c:?)
[   16.025270][  T388]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.025272][  T388]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.025276][  T388]  ? 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)
[   16.025279][  T388]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   16.025284][  T388]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   16.025289][  T388]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   16.025292][  T388]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   16.025298][  T388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.025300][  T388]  notifier_call_chain (kernel/notifier.c:85)
[   16.025304][  T388]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   16.025309][  T388]  ? netif_change_name (net/core/dev.c:1517)
[   16.025313][  T388]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   16.025316][  T388]  ? write_profile (profile.c:?)
[   16.025321][  T388]  netif_change_flags (net/core/dev.c:9882)
[   16.025325][  T388]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   16.025329][  T388]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   16.025331][  T388]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   16.025332][  T388]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.025334][  T388]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.025337][  T388]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.025339][  T388]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.025341][  T388]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.025343][  T388]  ? kasan_save_stack (mm/kasan/common.c:58)
[   16.025346][  T388]  ? kasan_save_stack (mm/kasan/common.c:57)
[   16.025347][  T388]  ? kasan_save_track (mm/kasan/common.c:78)
[   16.025348][  T388]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   16.025350][  T388]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.025352][  T388]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   16.025355][  T388]  ? ___sys_sendmsg (net/socket.c:2758)
[   16.025359][  T388]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.025361][  T388]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.025363][  T388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.025365][  T388]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.025366][  T388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.025368][  T388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.025369][  T388]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   16.025371][  T388]  ? __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)
[   16.025374][  T388]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   16.025376][  T388]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.025379][  T388]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   16.025382][  T388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.025384][  T388]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   16.025390][  T388]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.025395][  T388]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.025397][  T388]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.025401][  T388]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.025403][  T388]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.025405][  T388]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.025407][  T388]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.025410][  T388]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.025414][  T388]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.025418][  T388]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.025419][  T388]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.025423][  T388]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.025425][  T388]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.025429][  T388]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.025431][  T388]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.025433][  T388]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.025440][  T388]  ? 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))
[   16.025442][  T388]  ? 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))
[   16.025446][  T388]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.025450][  T388]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.025453][  T388]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.025457][  T388]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.025461][  T388]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.025465][  T388]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.025466][  T388]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   16.025471][  T388]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   16.025474][  T388]  ____sys_sendmsg (net/socket.c:2713)
[   16.025476][  T388]  ? copy_msghdr_from_user (net/socket.c:2650)
[   16.025479][  T388]  ? sock_write_iter (net/socket.c:1269)
[   16.025480][  T388]  ? move_addr_to_kernel (net/socket.c:258)
[   16.025487][  T388]  ___sys_sendmsg (net/socket.c:2767)
[   16.025490][  T388]  ? copy_msghdr_from_user (net/socket.c:2619)
[   16.025506][  T388]  __sys_sendmsg (net/socket.c:2799)
[   16.025509][  T388]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   16.025515][  T388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.025518][  T388]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.025521][  T388]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.025524][  T388]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.025526][  T388] RIP: 0033:0x7f7af190d54e
[   16.025530][  T388] 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
[   16.025531][  T388] RSP: 002b:00007ffc08837240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.025534][  T388] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7af190d54e
[   16.025536][  T388] RDX: 0000000000000000 RSI: 00007ffc088372f0 RDI: 0000000000000003
[   16.025537][  T388] RBP: 00007ffc08837250 R08: 0000000000000000 R09: 0000000000000000
[   16.025537][  T388] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911bb8
[   16.025538][  T388] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc088379b0
| [   17.368233][  T200] softirqs last disabled at (1642666): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   17.368236][  T200] Preemption disabled at:
| [   17.368237][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.368245][  T200] Tainted: [W]=WARN
[   17.368246][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.368247][  T200] Call Trace:
[   17.368249][  T200]  <TASK>
[   17.368250][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.368256][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.368258][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.368262][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.368266][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.368271][  T200]  __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))
[   17.368273][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.368279][  T200]  ? 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)
[   17.368282][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.368286][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   17.368288][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.368289][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.368293][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.368296][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.368301][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.368305][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.368310][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.368313][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.368318][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.368322][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.368324][  T200]  ? 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))
[   17.368327][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.368329][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.368333][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.368337][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.368339][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.368344][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.368347][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.368349][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.368350][  T200]  ? 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)
[   17.368354][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.368356][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.368359][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.368362][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.368363][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.368365][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   17.368370][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   17.368376][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   17.368381][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.368383][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.368387][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   17.368389][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   17.368392][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.368394][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.368396][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.368398][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.368399][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.368403][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   17.368409][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   17.368412][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   17.368417][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.368420][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.368422][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   17.368426][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   17.368428][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   17.368431][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   17.368434][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   17.368437][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.368440][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   17.368445][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   17.368448][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.368451][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   17.368453][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.368455][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.368456][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.368458][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.368463][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.368464][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   17.368466][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   17.368470][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.368472][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   17.368474][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.368476][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.368478][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.368479][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.368480][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   17.368483][  T200]  ? __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)
[   17.368486][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   17.368488][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   17.368489][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.368492][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   17.368493][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   17.368497][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.368500][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.368508][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   17.368511][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   17.368512][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.368534][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.368536][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.368539][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.368541][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.368543][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.368547][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.368549][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.368551][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   17.368553][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.368556][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   17.368559][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   17.368562][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.368563][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.368567][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.368569][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.368573][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   17.368576][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.368579][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.368585][  T200]  ? 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))
[   17.368587][  T200]  ? 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))
[   17.368592][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.368596][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.368599][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.368603][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   17.368607][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   17.368608][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.368611][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.368616][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   17.368618][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   17.368622][  T200]  __sys_sendto (net/socket.c:2281)
[   17.368625][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   17.368639][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   17.368641][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.368645][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   17.368647][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   17.368650][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.368652][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.368654][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.368657][  T200] RIP: 0033:0x7f9d13c7954e
[   17.368660][  T200] 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
[   17.368662][  T200] RSP: 002b:00007fff70f5fce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   17.368664][  T200] RAX: ffffffffffffffda RBX: 000055d991857d30 RCX: 00007f9d13c7954e
[   17.368666][  T200] RDX: 0000000000000030 RSI: 000055d9919b4f80 RDI: 0000000000000014
[   17.368666][  T200] RBP: 00007fff70f5fcf0 R08: 00007fff70f5fd40 R09: 0000000000000080
[   17.368667][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000055d9919fb140
[   17.368668][  T200] R13: 00007fff70f5fe24 R14: 0000000000000000 R15: 0000000000000000
| [   18.461046][  T460] softirqs last disabled at (10324): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   18.461048][  T460] Preemption disabled at:
| [   18.461049][  T460] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.461057][  T460] Tainted: [W]=WARN
[   18.461058][  T460] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.461060][  T460] Call Trace:
[   18.461061][  T460]  <TASK>
[   18.461063][  T460]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.461069][  T460]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.461070][  T460]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.461074][  T460]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.461079][  T460]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.461083][  T460]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   18.461085][  T460]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.461091][  T460]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   18.461094][  T460]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.461098][  T460]  put_chars (drivers/char/virtio_console.c:1176)
[   18.461100][  T460]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.461103][  T460]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.461106][  T460]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.461108][  T460]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.461112][  T460]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.461116][  T460]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   18.461118][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.461120][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.461124][  T460]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.461126][  T460]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.461130][  T460]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.461134][  T460]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.461138][  T460]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.461140][  T460]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   18.461143][  T460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.461145][  T460]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.461149][  T460]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.461153][  T460]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.461155][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.461160][  T460]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.461163][  T460]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.461165][  T460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.461166][  T460]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   18.461170][  T460]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.461172][  T460]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.461174][  T460]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.461177][  T460]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.461179][  T460]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   18.461184][  T460]  _printk (kernel/printk/printk.c:2504)
[   18.461188][  T460]  ? snapshot_read.cold (user.c:?)
[   18.461191][  T460]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.461193][  T460]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.461197][  T460]  ? 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)
[   18.461200][  T460]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   18.461205][  T460]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   18.461210][  T460]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   18.461214][  T460]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   18.461219][  T460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.461221][  T460]  notifier_call_chain (kernel/notifier.c:85)
[   18.461226][  T460]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   18.461231][  T460]  ? netif_change_name (net/core/dev.c:1517)
[   18.461235][  T460]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   18.461238][  T460]  ? write_profile (profile.c:?)
[   18.461243][  T460]  netif_change_flags (net/core/dev.c:9882)
[   18.461247][  T460]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   18.461250][  T460]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   18.461252][  T460]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   18.461254][  T460]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.461255][  T460]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.461259][  T460]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.461261][  T460]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.461263][  T460]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.461265][  T460]  ? kasan_save_stack (mm/kasan/common.c:58)
[   18.461267][  T460]  ? kasan_save_stack (mm/kasan/common.c:57)
[   18.461268][  T460]  ? kasan_save_track (mm/kasan/common.c:78)
[   18.461270][  T460]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   18.461272][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.461274][  T460]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   18.461277][  T460]  ? ___sys_sendmsg (net/socket.c:2758)
[   18.461281][  T460]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.461283][  T460]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.461285][  T460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.461287][  T460]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.461288][  T460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.461289][  T460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.461291][  T460]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   18.461293][  T460]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   18.461296][  T460]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   18.461297][  T460]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.461301][  T460]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   18.461304][  T460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.461306][  T460]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   18.461312][  T460]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.461317][  T460]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.461319][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.461323][  T460]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.461325][  T460]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.461327][  T460]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.461329][  T460]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.461333][  T460]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.461334][  T460]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.461338][  T460]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.461339][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.461343][  T460]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.461345][  T460]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.461348][  T460]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   18.461350][  T460]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.461353][  T460]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.461359][  T460]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   18.461362][  T460]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   18.461366][  T460]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.461370][  T460]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.461372][  T460]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.461376][  T460]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.461380][  T460]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   18.461384][  T460]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.461386][  T460]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   18.461391][  T460]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   18.461394][  T460]  ____sys_sendmsg (net/socket.c:2713)
[   18.461396][  T460]  ? copy_msghdr_from_user (net/socket.c:2650)
[   18.461398][  T460]  ? sock_write_iter (net/socket.c:1269)
[   18.461400][  T460]  ? move_addr_to_kernel (net/socket.c:258)
[   18.461407][  T460]  ___sys_sendmsg (net/socket.c:2767)
[   18.461410][  T460]  ? copy_msghdr_from_user (net/socket.c:2619)
[   18.461428][  T460]  __sys_sendmsg (net/socket.c:2799)
[   18.461431][  T460]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   18.461437][  T460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.461440][  T460]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.461443][  T460]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.461445][  T460]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.461448][  T460] RIP: 0033:0x7f0b9290c54e
[   18.461451][  T460] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   18.461453][  T460] RSP: 002b:00007ffe0ada9280 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.461456][  T460] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0b9290c54e
[   18.461457][  T460] RDX: 0000000000000000 RSI: 00007ffe0ada9330 RDI: 0000000000000003
[   18.461458][  T460] RBP: 00007ffe0ada9290 R08: 0000000000000000 R09: 0000000000000000
[   18.461459][  T460] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911bba
[   18.461459][  T460] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe0ada99f0
| [   19.546067][  T499] softirqs last disabled at (11020): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   19.546069][  T499] Preemption disabled at:
| [   19.546070][  T499] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.546077][  T499] Tainted: [W]=WARN
[   19.546078][  T499] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.546080][  T499] Call Trace:
[   19.546081][  T499]  <TASK>
[   19.546083][  T499]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.546089][  T499]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.546090][  T499]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.546095][  T499]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.546099][  T499]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.546104][  T499]  __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))
[   19.546105][  T499]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.546112][  T499]  ? 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)
[   19.546114][  T499]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.546118][  T499]  put_chars (drivers/char/virtio_console.c:1176)
[   19.546120][  T499]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.546123][  T499]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.546126][  T499]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.546129][  T499]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.546133][  T499]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.546137][  T499]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.546139][  T499]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.546141][  T499]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.546145][  T499]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.546147][  T499]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.546151][  T499]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.546155][  T499]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.546159][  T499]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.546160][  T499]  ? 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))
[   19.546164][  T499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.546165][  T499]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.546169][  T499]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.546174][  T499]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.546175][  T499]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.546180][  T499]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.546183][  T499]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.546185][  T499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.546187][  T499]  ? 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)
[   19.546191][  T499]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.546192][  T499]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.546195][  T499]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.546198][  T499]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.546200][  T499]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   19.546205][  T499]  _printk (kernel/printk/printk.c:2504)
[   19.546208][  T499]  ? snapshot_read.cold (user.c:?)
[   19.546212][  T499]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.546213][  T499]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.546217][  T499]  ? 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)
[   19.546220][  T499]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   19.546225][  T499]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   19.546230][  T499]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   19.546234][  T499]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   19.546239][  T499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.546241][  T499]  notifier_call_chain (kernel/notifier.c:85)
[   19.546245][  T499]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   19.546250][  T499]  ? netif_change_name (net/core/dev.c:1517)
[   19.546254][  T499]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   19.546258][  T499]  ? write_profile (profile.c:?)
[   19.546263][  T499]  netif_change_flags (net/core/dev.c:9882)
[   19.546266][  T499]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   19.546270][  T499]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   19.546272][  T499]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   19.546273][  T499]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   19.546275][  T499]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.546279][  T499]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.546280][  T499]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.546282][  T499]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.546285][  T499]  ? kasan_save_stack (mm/kasan/common.c:58)
[   19.546287][  T499]  ? kasan_save_stack (mm/kasan/common.c:57)
[   19.546288][  T499]  ? kasan_save_track (mm/kasan/common.c:78)
[   19.546289][  T499]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   19.546291][  T499]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.546293][  T499]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   19.546296][  T499]  ? ___sys_sendmsg (net/socket.c:2758)
[   19.546300][  T499]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.546302][  T499]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   19.546305][  T499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.546306][  T499]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.546308][  T499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.546309][  T499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.546311][  T499]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   19.546313][  T499]  ? __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)
[   19.546315][  T499]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   19.546317][  T499]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   19.546320][  T499]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   19.546324][  T499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.546326][  T499]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   19.546331][  T499]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   19.546336][  T499]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.546338][  T499]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.546343][  T499]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.546344][  T499]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.546346][  T499]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.546348][  T499]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.546352][  T499]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.546354][  T499]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   19.546357][  T499]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.546358][  T499]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.546363][  T499]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.546364][  T499]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.546368][  T499]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   19.546370][  T499]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.546372][  T499]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.546379][  T499]  ? 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))
[   19.546381][  T499]  ? 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))
[   19.546385][  T499]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.546389][  T499]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.546391][  T499]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.546396][  T499]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   19.546400][  T499]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   19.546403][  T499]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.546405][  T499]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   19.546410][  T499]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   19.546415][  T499]  ____sys_sendmsg (net/socket.c:2713)
[   19.546417][  T499]  ? copy_msghdr_from_user (net/socket.c:2650)
[   19.546420][  T499]  ? sock_write_iter (net/socket.c:1269)
[   19.546421][  T499]  ? move_addr_to_kernel (net/socket.c:258)
[   19.546428][  T499]  ___sys_sendmsg (net/socket.c:2767)
[   19.546431][  T499]  ? copy_msghdr_from_user (net/socket.c:2619)
[   19.546447][  T499]  __sys_sendmsg (net/socket.c:2799)
[   19.546449][  T499]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   19.546456][  T499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.546458][  T499]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.546461][  T499]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.546464][  T499]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.546466][  T499] RIP: 0033:0x7f77bdbc654e
[   19.546470][  T499] 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
[   19.546472][  T499] RSP: 002b:00007fff8d49aa10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.546474][  T499] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f77bdbc654e
[   19.546476][  T499] RDX: 0000000000000000 RSI: 00007fff8d49aac0 RDI: 0000000000000003
[   19.546476][  T499] RBP: 00007fff8d49aa20 R08: 0000000000000000 R09: 0000000000000000
[   19.546477][  T499] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911bbb
[   19.546478][  T499] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff8d49b180
| [   20.663161][  T533] softirqs last disabled at (11216): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   20.663163][  T533] Preemption disabled at:
| [   20.663164][  T533] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.663172][  T533] Tainted: [W]=WARN
[   20.663173][  T533] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.663175][  T533] Call Trace:
[   20.663176][  T533]  <TASK>
[   20.663178][  T533]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.663184][  T533]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.663185][  T533]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.663190][  T533]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.663194][  T533]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.663198][  T533]  __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))
[   20.663200][  T533]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.663207][  T533]  ? 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)
[   20.663209][  T533]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.663213][  T533]  put_chars (drivers/char/virtio_console.c:1176)
[   20.663215][  T533]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.663218][  T533]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.663221][  T533]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.663224][  T533]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.663228][  T533]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.663232][  T533]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.663234][  T533]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.663235][  T533]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.663240][  T533]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.663241][  T533]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.663246][  T533]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.663250][  T533]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.663254][  T533]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.663255][  T533]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   20.663259][  T533]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.663260][  T533]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.663264][  T533]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.663268][  T533]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.663270][  T533]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.663275][  T533]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.663278][  T533]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.663280][  T533]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.663282][  T533]  ? 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)
[   20.663285][  T533]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.663287][  T533]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.663290][  T533]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.663293][  T533]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.663295][  T533]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   20.663299][  T533]  _printk (kernel/printk/printk.c:2504)
[   20.663303][  T533]  ? snapshot_read.cold (user.c:?)
[   20.663306][  T533]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.663308][  T533]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.663312][  T533]  ? 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)
[   20.663315][  T533]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   20.663320][  T533]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   20.663325][  T533]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   20.663328][  T533]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   20.663334][  T533]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.663336][  T533]  notifier_call_chain (kernel/notifier.c:85)
[   20.663340][  T533]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   20.663345][  T533]  ? netif_change_name (net/core/dev.c:1517)
[   20.663349][  T533]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   20.663352][  T533]  ? write_profile (profile.c:?)
[   20.663357][  T533]  netif_change_flags (net/core/dev.c:9882)
[   20.663361][  T533]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   20.663365][  T533]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   20.663367][  T533]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   20.663368][  T533]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.663370][  T533]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.663373][  T533]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.663375][  T533]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.663377][  T533]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.663379][  T533]  ? kasan_save_stack (mm/kasan/common.c:58)
[   20.663382][  T533]  ? kasan_save_stack (mm/kasan/common.c:57)
[   20.663383][  T533]  ? kasan_save_track (mm/kasan/common.c:78)
[   20.663384][  T533]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   20.663386][  T533]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.663388][  T533]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   20.663391][  T533]  ? ___sys_sendmsg (net/socket.c:2758)
[   20.663395][  T533]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.663397][  T533]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   20.663399][  T533]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.663401][  T533]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.663403][  T533]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.663404][  T533]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.663405][  T533]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   20.663408][  T533]  ? __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)
[   20.663410][  T533]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   20.663412][  T533]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   20.663417][  T533]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   20.663420][  T533]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.663423][  T533]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   20.663428][  T533]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   20.663433][  T533]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.663435][  T533]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.663439][  T533]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.663441][  T533]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.663443][  T533]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.663445][  T533]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.663448][  T533]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.663450][  T533]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.663453][  T533]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.663455][  T533]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.663459][  T533]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.663461][  T533]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.663464][  T533]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   20.663466][  T533]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.663469][  T533]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.663475][  T533]  ? 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))
[   20.663478][  T533]  ? 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))
[   20.663482][  T533]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.663486][  T533]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.663488][  T533]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.663493][  T533]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.663496][  T533]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   20.663500][  T533]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.663502][  T533]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   20.663507][  T533]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   20.663510][  T533]  ____sys_sendmsg (net/socket.c:2713)
[   20.663512][  T533]  ? copy_msghdr_from_user (net/socket.c:2650)
[   20.663514][  T533]  ? sock_write_iter (net/socket.c:1269)
[   20.663516][  T533]  ? move_addr_to_kernel (net/socket.c:258)
[   20.663523][  T533]  ___sys_sendmsg (net/socket.c:2767)
[   20.663526][  T533]  ? copy_msghdr_from_user (net/socket.c:2619)
[   20.663542][  T533]  __sys_sendmsg (net/socket.c:2799)
[   20.663544][  T533]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   20.663550][  T533]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.663553][  T533]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.663556][  T533]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.663559][  T533]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.663561][  T533] RIP: 0033:0x7f799c41254e
[   20.663565][  T533] 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
[   20.663567][  T533] RSP: 002b:00007ffd9b9b8ae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.663569][  T533] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f799c41254e
[   20.663571][  T533] RDX: 0000000000000000 RSI: 00007ffd9b9b8b90 RDI: 0000000000000003
[   20.663572][  T533] RBP: 00007ffd9b9b8af0 R08: 0000000000000000 R09: 0000000000000000
[   20.663573][  T533] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911bbd
[   20.663573][  T533] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd9b9b9250
| [   21.942195][  T200] softirqs last disabled at (2529194): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   21.942197][  T200] Preemption disabled at:
| [   21.942198][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.942206][  T200] Tainted: [W]=WARN
[   21.942207][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.942209][  T200] Call Trace:
[   21.942210][  T200]  <TASK>
[   21.942212][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.942218][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.942219][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.942224][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.942228][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.942233][  T200]  __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))
[   21.942234][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.942241][  T200]  ? 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)
[   21.942244][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.942248][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   21.942250][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.942251][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.942255][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.942258][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.942262][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.942266][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.942271][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.942275][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.942279][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.942283][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.942285][  T200]  ? 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))
[   21.942289][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.942290][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.942294][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.942299][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.942301][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.942306][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.942309][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.942311][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.942312][  T200]  ? 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)
[   21.942316][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.942318][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.942321][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.942324][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.942325][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.942327][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   21.942333][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   21.942338][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   21.942343][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.942345][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.942349][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   21.942351][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   21.942354][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.942357][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.942358][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.942360][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.942362][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.942365][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   21.942372][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   21.942375][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   21.942377][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.942380][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.942383][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   21.942386][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   21.942389][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   21.942392][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   21.942395][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   21.942398][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.942401][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   21.942406][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   21.942409][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.942414][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   21.942416][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.942418][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.942420][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.942422][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.942426][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.942428][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   21.942430][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   21.942433][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.942435][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   21.942438][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.942440][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.942441][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.942443][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.942444][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   21.942446][  T200]  ? __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)
[   21.942449][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   21.942451][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   21.942453][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.942456][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   21.942457][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   21.942461][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.942464][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.942471][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   21.942474][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   21.942476][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.942499][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.942501][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.942503][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.942505][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.942507][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.942512][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.942514][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.942516][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   21.942517][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.942521][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   21.942523][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.942526][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.942528][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.942532][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.942534][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.942538][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.942541][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.942543][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.942550][  T200]  ? 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))
[   21.942552][  T200]  ? 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))
[   21.942557][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.942561][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.942564][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.942568][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.942572][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   21.942574][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.942576][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.942581][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   21.942584][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   21.942588][  T200]  __sys_sendto (net/socket.c:2281)
[   21.942591][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   21.942605][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   21.942608][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.942611][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   21.942614][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   21.942616][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.942618][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.942621][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.942623][  T200] RIP: 0033:0x7f9d13c7954e
[   21.942627][  T200] 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
[   21.942629][  T200] RSP: 002b:00007fff70f5fce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   21.942631][  T200] RAX: ffffffffffffffda RBX: 000055d991857d30 RCX: 00007f9d13c7954e
[   21.942632][  T200] RDX: 0000000000000030 RSI: 000055d991868c60 RDI: 0000000000000014
[   21.942633][  T200] RBP: 00007fff70f5fcf0 R08: 00007fff70f5fd40 R09: 0000000000000080
[   21.942634][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000055d991a085e0
[   21.942635][  T200] R13: 00007fff70f5fe24 R14: 0000000000000000 R15: 0000000000000000
| [   23.177902][  T200] softirqs last disabled at (2772868): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   23.177905][  T200] Preemption disabled at:
| [   23.177906][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   23.177914][  T200] Tainted: [W]=WARN
[   23.177915][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.177917][  T200] Call Trace:
[   23.177918][  T200]  <TASK>
[   23.177920][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.177926][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   23.177927][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.177932][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.177936][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.177940][  T200]  __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))
[   23.177942][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.177949][  T200]  ? 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)
[   23.177952][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.177955][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   23.177958][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.177959][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.177963][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.177965][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.177970][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.177974][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.177980][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.177983][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.177987][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.177991][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.177993][  T200]  ? 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))
[   23.177996][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.177998][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.178002][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.178006][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.178008][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.178013][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.178016][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.178018][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.178019][  T200]  ? 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)
[   23.178023][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.178025][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.178027][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.178031][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.178032][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   23.178034][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   23.178039][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   23.178044][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   23.178049][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   23.178051][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.178055][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   23.178057][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   23.178060][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.178062][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.178064][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.178066][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.178067][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.178071][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   23.178077][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   23.178080][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   23.178083][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.178086][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.178088][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   23.178092][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   23.178094][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   23.178097][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   23.178100][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   23.178103][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.178105][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   23.178111][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   23.178114][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.178117][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   23.178118][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   23.178120][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.178122][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.178123][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.178128][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.178130][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   23.178132][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   23.178135][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.178137][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   23.178139][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.178141][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.178143][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.178144][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.178145][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   23.178148][  T200]  ? __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)
[   23.178151][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   23.178152][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   23.178154][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   23.178157][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   23.178158][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   23.178162][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.178165][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.178172][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   23.178175][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   23.178177][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.178199][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.178201][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.178204][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.178206][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   23.178208][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.178213][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.178214][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.178216][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   23.178218][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.178222][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   23.178224][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   23.178227][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.178228][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.178233][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.178235][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.178238][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   23.178241][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.178244][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.178250][  T200]  ? 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))
[   23.178252][  T200]  ? 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))
[   23.178257][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.178261][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.178264][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.178268][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.178272][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   23.178273][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.178276][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.178281][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   23.178284][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   23.178287][  T200]  __sys_sendto (net/socket.c:2281)
[   23.178290][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   23.178304][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   23.178306][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.178310][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   23.178312][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   23.178315][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.178317][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.178319][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.178321][  T200] RIP: 0033:0x7f9d13c7954e
[   23.178325][  T200] 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
[   23.178326][  T200] RSP: 002b:00007fff70f5fce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   23.178329][  T200] RAX: ffffffffffffffda RBX: 000055d991857d30 RCX: 00007f9d13c7954e
[   23.178330][  T200] RDX: 0000000000000030 RSI: 000055d991868c00 RDI: 0000000000000014
[   23.178331][  T200] RBP: 00007fff70f5fcf0 R08: 00007fff70f5fd40 R09: 0000000000000080
[   23.178332][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000055d991a0ffe0
[   23.178333][  T200] R13: 00007fff70f5fe24 R14: 0000000000000000 R15: 0000000000000000
| [   24.412307][  T200] softirqs last disabled at (3045686): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   24.412309][  T200] Preemption disabled at:
| [   24.412310][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.412318][  T200] Tainted: [W]=WARN
[   24.412319][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.412321][  T200] Call Trace:
[   24.412323][  T200]  <TASK>
[   24.412324][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.412330][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.412332][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.412336][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.412340][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.412344][  T200]  __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))
[   24.412346][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.412353][  T200]  ? 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)
[   24.412356][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.412360][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   24.412362][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.412363][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.412367][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.412370][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.412375][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.412379][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.412384][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.412387][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.412392][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.412396][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.412398][  T200]  ? 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))
[   24.412401][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.412403][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.412407][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.412411][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.412415][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.412421][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.412423][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.412425][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.412427][  T200]  ? 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)
[   24.412431][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.412433][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.412435][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.412438][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.412440][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.412442][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   24.412447][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   24.412452][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   24.412457][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.412459][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.412463][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   24.412465][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   24.412468][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.412470][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.412472][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.412474][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.412475][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.412479][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   24.412485][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   24.412488][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   24.412491][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.412494][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.412496][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   24.412500][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   24.412502][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   24.412505][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   24.412508][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   24.412511][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.412514][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   24.412520][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   24.412522][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.412525][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   24.412527][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.412529][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.412531][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.412532][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.412537][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.412539][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   24.412540][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   24.412544][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.412546][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   24.412548][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.412550][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.412552][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.412553][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.412555][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   24.412557][  T200]  ? __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)
[   24.412560][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   24.412562][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   24.412564][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.412567][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   24.412568][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.412572][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.412575][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.412582][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   24.412586][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   24.412587][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.412610][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.412612][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.412614][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.412616][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.412618][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.412623][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.412625][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.412626][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   24.412628][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.412632][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   24.412634][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.412637][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.412639][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.412643][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.412645][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.412648][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.412651][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.412654][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.412661][  T200]  ? 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))
[   24.412663][  T200]  ? 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))
[   24.412668][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.412672][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.412675][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.412679][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.412683][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.412684][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.412687][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.412692][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   24.412695][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   24.412698][  T200]  __sys_sendto (net/socket.c:2281)
[   24.412701][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   24.412712][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   24.412718][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   24.412720][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.412724][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   24.412725][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   24.412728][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.412730][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.412732][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.412734][  T200] RIP: 0033:0x7f9d13c7954e
[   24.412738][  T200] 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
[   24.412740][  T200] RSP: 002b:00007fff70f5fce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   24.412742][  T200] RAX: ffffffffffffffda RBX: 000055d991857d30 RCX: 00007f9d13c7954e
[   24.412744][  T200] RDX: 0000000000000030 RSI: 000055d9919c0e80 RDI: 0000000000000014
[   24.412745][  T200] RBP: 00007fff70f5fcf0 R08: 00007fff70f5fd40 R09: 0000000000000080
[   24.412745][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000055d991a17a80
[   24.412746][  T200] R13: 00007fff70f5fe24 R14: 0000000000000000 R15: 0000000000000000
| [   25.425083][  T668] softirqs last disabled at (11532): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   25.425085][  T668] Preemption disabled at:
| [   25.425086][  T668] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.425094][  T668] Tainted: [W]=WARN
[   25.425095][  T668] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.425097][  T668] Call Trace:
[   25.425098][  T668]  <TASK>
[   25.425100][  T668]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.425106][  T668]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.425108][  T668]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.425112][  T668]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.425116][  T668]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.425121][  T668]  __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))
[   25.425122][  T668]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.425129][  T668]  ? 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)
[   25.425131][  T668]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.425135][  T668]  put_chars (drivers/char/virtio_console.c:1176)
[   25.425138][  T668]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.425140][  T668]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.425143][  T668]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.425146][  T668]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.425150][  T668]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.425153][  T668]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   25.425155][  T668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.425157][  T668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.425161][  T668]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.425163][  T668]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.425167][  T668]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.425171][  T668]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.425175][  T668]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.425177][  T668]  ? 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))
[   25.425180][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.425182][  T668]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.425186][  T668]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.425190][  T668]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.425192][  T668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.425197][  T668]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.425200][  T668]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.425201][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.425203][  T668]  ? 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)
[   25.425207][  T668]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.425208][  T668]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.425211][  T668]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.425214][  T668]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.425216][  T668]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   25.425221][  T668]  _printk (kernel/printk/printk.c:2504)
[   25.425225][  T668]  ? snapshot_read.cold (user.c:?)
[   25.425228][  T668]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.425230][  T668]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.425233][  T668]  ? 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)
[   25.425236][  T668]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   25.425241][  T668]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   25.425246][  T668]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   25.425249][  T668]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   25.425255][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.425257][  T668]  notifier_call_chain (kernel/notifier.c:85)
[   25.425261][  T668]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   25.425266][  T668]  ? netif_change_name (net/core/dev.c:1517)
[   25.425270][  T668]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   25.425273][  T668]  ? write_profile (profile.c:?)
[   25.425278][  T668]  netif_change_flags (net/core/dev.c:9882)
[   25.425282][  T668]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   25.425285][  T668]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   25.425288][  T668]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   25.425289][  T668]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.425291][  T668]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.425294][  T668]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.425296][  T668]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.425298][  T668]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.425300][  T668]  ? kasan_save_stack (mm/kasan/common.c:58)
[   25.425302][  T668]  ? kasan_save_stack (mm/kasan/common.c:57)
[   25.425303][  T668]  ? kasan_save_track (mm/kasan/common.c:78)
[   25.425305][  T668]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   25.425307][  T668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.425309][  T668]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   25.425312][  T668]  ? ___sys_sendmsg (net/socket.c:2758)
[   25.425315][  T668]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.425317][  T668]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.425320][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.425322][  T668]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.425323][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.425324][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.425326][  T668]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   25.425328][  T668]  ? __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)
[   25.425331][  T668]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   25.425333][  T668]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.425336][  T668]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   25.425339][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.425341][  T668]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   25.425347][  T668]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   25.425352][  T668]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.425354][  T668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.425358][  T668]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.425360][  T668]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.425362][  T668]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.425364][  T668]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.425367][  T668]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.425369][  T668]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   25.425373][  T668]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.425374][  T668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.425378][  T668]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.425380][  T668]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.425383][  T668]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   25.425385][  T668]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.425388][  T668]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.425395][  T668]  ? 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))
[   25.425397][  T668]  ? 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))
[   25.425401][  T668]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.425405][  T668]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.425408][  T668]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.425412][  T668]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   25.425418][  T668]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   25.425422][  T668]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.425423][  T668]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   25.425429][  T668]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   25.425431][  T668]  ____sys_sendmsg (net/socket.c:2713)
[   25.425434][  T668]  ? copy_msghdr_from_user (net/socket.c:2650)
[   25.425436][  T668]  ? sock_write_iter (net/socket.c:1269)
[   25.425437][  T668]  ? move_addr_to_kernel (net/socket.c:258)
[   25.425445][  T668]  ___sys_sendmsg (net/socket.c:2767)
[   25.425447][  T668]  ? copy_msghdr_from_user (net/socket.c:2619)
[   25.425463][  T668]  __sys_sendmsg (net/socket.c:2799)
[   25.425466][  T668]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   25.425472][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.425475][  T668]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.425478][  T668]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.425480][  T668]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.425482][  T668] RIP: 0033:0x7f08127bd54e
[   25.425486][  T668] 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
[   25.425488][  T668] RSP: 002b:00007ffc222a30c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.425490][  T668] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f08127bd54e
[   25.425491][  T668] RDX: 0000000000000000 RSI: 00007ffc222a3170 RDI: 0000000000000003
[   25.425492][  T668] RBP: 00007ffc222a30d0 R08: 0000000000000000 R09: 0000000000000000
[   25.425493][  T668] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911bc1
[   25.425494][  T668] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc222a3830
| [   26.551172][  T698] softirqs last disabled at (11186): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   26.551174][  T698] Preemption disabled at:
| [   26.551175][  T698] vprintk_emit (kernel/printk/printk.c:2471)
| [   26.551182][  T698] Tainted: [W]=WARN
[   26.551183][  T698] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.551185][  T698] Call Trace:
[   26.551186][  T698]  <TASK>
[   26.551188][  T698]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.551194][  T698]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   26.551195][  T698]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.551200][  T698]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.551204][  T698]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   26.551208][  T698]  __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))
[   26.551210][  T698]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.551217][  T698]  ? 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)
[   26.551219][  T698]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.551223][  T698]  put_chars (drivers/char/virtio_console.c:1176)
[   26.551226][  T698]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.551228][  T698]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.551231][  T698]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.551234][  T698]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.551238][  T698]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.551242][  T698]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   26.551244][  T698]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.551245][  T698]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.551249][  T698]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.551251][  T698]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.551256][  T698]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.551259][  T698]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.551263][  T698]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.551265][  T698]  ? 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))
[   26.551268][  T698]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.551270][  T698]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.551274][  T698]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.551279][  T698]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.551280][  T698]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.551286][  T698]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.551289][  T698]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.551290][  T698]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.551292][  T698]  ? 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)
[   26.551296][  T698]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.551298][  T698]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.551300][  T698]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.551303][  T698]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.551306][  T698]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   26.551310][  T698]  _printk (kernel/printk/printk.c:2504)
[   26.551314][  T698]  ? snapshot_read.cold (user.c:?)
[   26.551317][  T698]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.551319][  T698]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.551323][  T698]  ? 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)
[   26.551326][  T698]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   26.551331][  T698]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   26.551336][  T698]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   26.551339][  T698]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   26.551345][  T698]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.551347][  T698]  notifier_call_chain (kernel/notifier.c:85)
[   26.551352][  T698]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   26.551357][  T698]  ? netif_change_name (net/core/dev.c:1517)
[   26.551361][  T698]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   26.551364][  T698]  ? write_profile (profile.c:?)
[   26.551369][  T698]  netif_change_flags (net/core/dev.c:9882)
[   26.551373][  T698]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   26.551376][  T698]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   26.551379][  T698]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   26.551380][  T698]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   26.551382][  T698]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.551385][  T698]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.551387][  T698]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.551389][  T698]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.551391][  T698]  ? kasan_save_stack (mm/kasan/common.c:58)
[   26.551393][  T698]  ? kasan_save_stack (mm/kasan/common.c:57)
[   26.551395][  T698]  ? kasan_save_track (mm/kasan/common.c:78)
[   26.551396][  T698]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   26.551398][  T698]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.551400][  T698]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   26.551403][  T698]  ? ___sys_sendmsg (net/socket.c:2758)
[   26.551407][  T698]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.551409][  T698]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   26.551411][  T698]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.551415][  T698]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.551417][  T698]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.551418][  T698]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.551420][  T698]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   26.551422][  T698]  ? __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)
[   26.551424][  T698]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   26.551426][  T698]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   26.551430][  T698]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   26.551433][  T698]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.551436][  T698]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   26.551441][  T698]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   26.551446][  T698]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.551448][  T698]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.551452][  T698]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.551454][  T698]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.551456][  T698]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.551458][  T698]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.551461][  T698]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.551463][  T698]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   26.551466][  T698]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.551468][  T698]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.551472][  T698]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.551474][  T698]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.551477][  T698]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   26.551479][  T698]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.551482][  T698]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.551488][  T698]  ? 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))
[   26.551490][  T698]  ? 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))
[   26.551495][  T698]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.551499][  T698]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.551501][  T698]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.551505][  T698]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   26.551509][  T698]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   26.551513][  T698]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.551515][  T698]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   26.551520][  T698]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   26.551523][  T698]  ____sys_sendmsg (net/socket.c:2713)
[   26.551525][  T698]  ? copy_msghdr_from_user (net/socket.c:2650)
[   26.551527][  T698]  ? sock_write_iter (net/socket.c:1269)
[   26.551529][  T698]  ? move_addr_to_kernel (net/socket.c:258)
[   26.551536][  T698]  ___sys_sendmsg (net/socket.c:2767)
[   26.551539][  T698]  ? copy_msghdr_from_user (net/socket.c:2619)
[   26.551554][  T698]  __sys_sendmsg (net/socket.c:2799)
[   26.551557][  T698]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   26.551563][  T698]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.551566][  T698]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.551569][  T698]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.551572][  T698]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.551574][  T698] RIP: 0033:0x7fd47d55d54e
[   26.551578][  T698] 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
[   26.551579][  T698] RSP: 002b:00007ffe17f77f50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.551582][  T698] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd47d55d54e
[   26.551583][  T698] RDX: 0000000000000000 RSI: 00007ffe17f78000 RDI: 0000000000000003
[   26.551584][  T698] RBP: 00007ffe17f77f60 R08: 0000000000000000 R09: 0000000000000000
[   26.551585][  T698] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911bc2
[   26.551586][  T698] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe17f786c0
| [   27.829248][  T200] softirqs last disabled at (3755174): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   27.829250][  T200] Preemption disabled at:
| [   27.829251][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   27.829259][  T200] Tainted: [W]=WARN
[   27.829260][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.829262][  T200] Call Trace:
[   27.829263][  T200]  <TASK>
[   27.829265][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.829270][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   27.829272][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.829277][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.829281][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   27.829286][  T200]  __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))
[   27.829287][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.829294][  T200]  ? 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)
[   27.829296][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.829300][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   27.829303][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.829304][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.829307][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.829310][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.829315][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.829318][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.829324][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.829327][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.829331][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.829335][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.829337][  T200]  ? 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))
[   27.829340][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.829342][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.829346][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.829350][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.829352][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.829357][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.829360][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.829362][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.829364][  T200]  ? 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)
[   27.829368][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.829369][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.829372][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.829375][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.829376][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.829379][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   27.829384][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   27.829389][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   27.829394][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.829396][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.829399][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   27.829402][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   27.829405][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.829407][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.829408][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.829410][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.829412][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.829418][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   27.829425][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   27.829427][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   27.829430][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.829433][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.829435][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   27.829439][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   27.829441][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   27.829444][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   27.829447][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   27.829450][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.829453][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   27.829459][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   27.829461][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.829464][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   27.829465][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.829467][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.829469][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.829471][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.829475][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.829477][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   27.829479][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   27.829482][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.829484][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   27.829487][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.829488][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.829490][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.829491][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.829492][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   27.829495][  T200]  ? __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)
[   27.829497][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   27.829499][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   27.829501][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.829504][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   27.829505][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   27.829509][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.829512][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.829519][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   27.829522][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   27.829524][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.829546][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.829548][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.829551][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.829552][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.829554][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.829559][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.829561][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.829563][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   27.829565][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.829568][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   27.829570][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   27.829573][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.829575][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.829579][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.829581][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.829584][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   27.829587][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.829590][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.829597][  T200]  ? 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))
[   27.829599][  T200]  ? 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))
[   27.829603][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.829607][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.829611][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.829614][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   27.829618][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   27.829620][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.829622][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.829627][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   27.829630][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   27.829633][  T200]  __sys_sendto (net/socket.c:2281)
[   27.829636][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   27.829650][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   27.829653][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.829656][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.829658][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   27.829661][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.829663][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   27.829665][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.829667][  T200] RIP: 0033:0x7f9d13c7954e
[   27.829671][  T200] 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
[   27.829673][  T200] RSP: 002b:00007fff70f5fce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   27.829675][  T200] RAX: ffffffffffffffda RBX: 000055d991857d30 RCX: 00007f9d13c7954e
[   27.829677][  T200] RDX: 0000000000000030 RSI: 000055d991a14570 RDI: 0000000000000014
[   27.829677][  T200] RBP: 00007fff70f5fcf0 R08: 00007fff70f5fd40 R09: 0000000000000080
[   27.829678][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000055d991a22a10
[   27.829679][  T200] R13: 00007fff70f5fe24 R14: 0000000000000000 R15: 0000000000000000
| [   29.186863][  T200] softirqs last disabled at (3991953): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   29.186865][  T200] Preemption disabled at:
| [   29.186866][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.186874][  T200] Tainted: [W]=WARN
[   29.186875][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.186876][  T200] Call Trace:
[   29.186878][  T200]  <TASK>
[   29.186879][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.186885][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.186887][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.186891][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.186895][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   29.186899][  T200]  __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))
[   29.186901][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.186908][  T200]  ? 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)
[   29.186910][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.186920][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   29.186922][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.186924][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.186927][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.186930][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.186935][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.186939][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.186944][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.186947][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.186951][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.186955][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.186957][  T200]  ? 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))
[   29.186960][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.186962][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.186966][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.186970][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.186972][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.186977][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.186980][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.186982][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.186983][  T200]  ? 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)
[   29.186987][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.186989][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.186991][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.186995][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.186996][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.186998][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   29.187003][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   29.187008][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   29.187013][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.187015][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.187018][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   29.187021][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   29.187023][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.187026][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.187027][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.187029][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.187031][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.187034][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   29.187040][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   29.187043][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   29.187045][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.187048][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.187051][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   29.187054][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   29.187056][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   29.187059][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   29.187062][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   29.187066][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.187069][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   29.187075][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   29.187077][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.187080][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   29.187082][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.187083][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.187085][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.187087][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.187092][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.187093][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   29.187095][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   29.187099][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.187100][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   29.187103][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.187105][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.187106][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.187107][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.187109][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   29.187111][  T200]  ? __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)
[   29.187114][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   29.187116][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   29.187118][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.187121][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   29.187122][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   29.187126][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.187129][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.187136][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   29.187139][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   29.187140][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.187163][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.187165][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.187167][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.187169][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.187171][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.187176][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.187178][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.187179][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   29.187181][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.187185][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   29.187187][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.187190][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.187191][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.187196][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.187198][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.187201][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.187204][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.187207][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.187213][  T200]  ? 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))
[   29.187215][  T200]  ? 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))
[   29.187220][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.187224][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.187227][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.187231][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.187235][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.187236][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.187239][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.187243][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   29.187246][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   29.187250][  T200]  __sys_sendto (net/socket.c:2281)
[   29.187253][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   29.187263][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   29.187269][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   29.187271][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.187275][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   29.187276][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   29.187279][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.187280][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.187283][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.187285][  T200] RIP: 0033:0x7f9d13c7954e
[   29.187288][  T200] 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
[   29.187290][  T200] RSP: 002b:00007fff70f5fce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   29.187293][  T200] RAX: ffffffffffffffda RBX: 000055d991857d30 RCX: 00007f9d13c7954e
[   29.187294][  T200] RDX: 0000000000000030 RSI: 000055d991a14550 RDI: 0000000000000014
[   29.187295][  T200] RBP: 00007fff70f5fcf0 R08: 00007fff70f5fd40 R09: 0000000000000080
[   29.187295][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000055d991a285e0
[   29.187296][  T200] R13: 00007fff70f5fe24 R14: 0000000000000000 R15: 0000000000000000
| [   30.298171][  T807] softirqs last disabled at (19548): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   30.298173][  T807] Preemption disabled at:
| [   30.298174][  T807] vprintk_emit (kernel/printk/printk.c:2471)
| [   30.298182][  T807] Tainted: [W]=WARN
[   30.298183][  T807] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.298184][  T807] Call Trace:
[   30.298186][  T807]  <TASK>
[   30.298187][  T807]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.298193][  T807]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   30.298195][  T807]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.298199][  T807]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.298204][  T807]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   30.298208][  T807]  __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))
[   30.298210][  T807]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.298217][  T807]  ? 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)
[   30.298219][  T807]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.298223][  T807]  put_chars (drivers/char/virtio_console.c:1176)
[   30.298225][  T807]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.298228][  T807]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.298231][  T807]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.298234][  T807]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.298238][  T807]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.298242][  T807]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.298244][  T807]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.298245][  T807]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.298250][  T807]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.298251][  T807]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.298256][  T807]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.298260][  T807]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.298264][  T807]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.298265][  T807]  ? 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))
[   30.298269][  T807]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.298270][  T807]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.298274][  T807]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.298279][  T807]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.298280][  T807]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.298286][  T807]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.298288][  T807]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.298290][  T807]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.298292][  T807]  ? 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)
[   30.298296][  T807]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.298297][  T807]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.298300][  T807]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.298303][  T807]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.298305][  T807]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   30.298310][  T807]  _printk (kernel/printk/printk.c:2504)
[   30.298313][  T807]  ? snapshot_read.cold (user.c:?)
[   30.298316][  T807]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.298318][  T807]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.298322][  T807]  ? 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)
[   30.298325][  T807]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   30.298330][  T807]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   30.298335][  T807]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   30.298339][  T807]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   30.298344][  T807]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.298346][  T807]  notifier_call_chain (kernel/notifier.c:85)
[   30.298351][  T807]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   30.298356][  T807]  ? netif_change_name (net/core/dev.c:1517)
[   30.298360][  T807]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   30.298363][  T807]  ? write_profile (profile.c:?)
[   30.298368][  T807]  netif_change_flags (net/core/dev.c:9882)
[   30.298371][  T807]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   30.298375][  T807]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   30.298377][  T807]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   30.298378][  T807]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   30.298380][  T807]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.298384][  T807]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.298385][  T807]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.298387][  T807]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.298390][  T807]  ? kasan_save_stack (mm/kasan/common.c:58)
[   30.298392][  T807]  ? kasan_save_stack (mm/kasan/common.c:57)
[   30.298393][  T807]  ? kasan_save_track (mm/kasan/common.c:78)
[   30.298394][  T807]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   30.298397][  T807]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.298398][  T807]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   30.298401][  T807]  ? ___sys_sendmsg (net/socket.c:2758)
[   30.298405][  T807]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.298407][  T807]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.298410][  T807]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.298411][  T807]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.298415][  T807]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.298416][  T807]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.298418][  T807]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   30.298420][  T807]  ? __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)
[   30.298422][  T807]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   30.298424][  T807]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.298428][  T807]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   30.298431][  T807]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.298433][  T807]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   30.298438][  T807]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   30.298444][  T807]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.298446][  T807]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.298450][  T807]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.298452][  T807]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.298454][  T807]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.298456][  T807]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.298459][  T807]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.298461][  T807]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.298465][  T807]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.298466][  T807]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.298470][  T807]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.298472][  T807]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.298476][  T807]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.298477][  T807]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.298480][  T807]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.298487][  T807]  ? 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))
[   30.298489][  T807]  ? 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))
[   30.298493][  T807]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.298497][  T807]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.298500][  T807]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.298504][  T807]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.298508][  T807]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   30.298512][  T807]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.298514][  T807]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   30.298519][  T807]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   30.298521][  T807]  ____sys_sendmsg (net/socket.c:2713)
[   30.298524][  T807]  ? copy_msghdr_from_user (net/socket.c:2650)
[   30.298526][  T807]  ? sock_write_iter (net/socket.c:1269)
[   30.298527][  T807]  ? move_addr_to_kernel (net/socket.c:258)
[   30.298535][  T807]  ___sys_sendmsg (net/socket.c:2767)
[   30.298537][  T807]  ? copy_msghdr_from_user (net/socket.c:2619)
[   30.298553][  T807]  __sys_sendmsg (net/socket.c:2799)
[   30.298556][  T807]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   30.298562][  T807]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.298565][  T807]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.298568][  T807]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   30.298571][  T807]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.298573][  T807] RIP: 0033:0x7f778a9a854e
[   30.298577][  T807] 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
[   30.298579][  T807] RSP: 002b:00007ffed3ddbfb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.298581][  T807] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f778a9a854e
[   30.298583][  T807] RDX: 0000000000000000 RSI: 00007ffed3ddc060 RDI: 0000000000000003
[   30.298584][  T807] RBP: 00007ffed3ddbfc0 R08: 0000000000000000 R09: 0000000000000000
[   30.298584][  T807] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911bc6
[   30.298585][  T807] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed3ddc720
| [   31.637985][  T200] softirqs last disabled at (4563824): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   31.637987][  T200] Preemption disabled at:
| [   31.637988][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   31.637996][  T200] Tainted: [W]=WARN
[   31.637997][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.637999][  T200] Call Trace:
[   31.638000][  T200]  <TASK>
[   31.638002][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   31.638007][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   31.638009][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   31.638014][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   31.638018][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   31.638022][  T200]  __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))
[   31.638024][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.638031][  T200]  ? 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)
[   31.638034][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.638037][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   31.638040][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   31.638041][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.638044][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.638047][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.638052][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   31.638056][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.638064][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   31.638067][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.638071][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   31.638075][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   31.638077][  T200]  ? 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))
[   31.638081][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.638082][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.638086][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   31.638090][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   31.638092][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.638097][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   31.638100][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   31.638102][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.638104][  T200]  ? 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)
[   31.638107][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   31.638109][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   31.638112][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   31.638115][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   31.638116][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   31.638118][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   31.638123][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   31.638128][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   31.638133][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   31.638135][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.638139][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   31.638141][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   31.638144][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.638147][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.638148][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.638150][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.638152][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.638155][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   31.638161][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   31.638164][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   31.638167][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.638169][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.638172][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   31.638175][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   31.638177][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   31.638180][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   31.638184][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   31.638186][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.638189][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   31.638195][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   31.638197][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.638200][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   31.638201][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   31.638203][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.638205][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.638207][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.638211][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.638213][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   31.638215][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   31.638218][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.638220][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   31.638223][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.638224][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.638226][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.638227][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.638229][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   31.638231][  T200]  ? __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)
[   31.638234][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   31.638236][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   31.638237][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   31.638240][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   31.638241][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   31.638245][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.638248][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.638255][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   31.638259][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   31.638260][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.638282][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.638284][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.638287][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.638288][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   31.638291][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.638295][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.638297][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.638299][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   31.638301][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.638304][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   31.638306][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   31.638309][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.638311][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.638315][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.638317][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.638321][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   31.638324][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.638327][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.638333][  T200]  ? 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))
[   31.638335][  T200]  ? 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))
[   31.638339][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.638343][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.638347][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.638350][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   31.638354][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   31.638356][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.638358][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.638363][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   31.638366][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   31.638370][  T200]  __sys_sendto (net/socket.c:2281)
[   31.638373][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   31.638383][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   31.638389][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   31.638391][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   31.638394][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   31.638396][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   31.638399][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   31.638400][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   31.638403][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.638405][  T200] RIP: 0033:0x7f9d13c7954e
[   31.638409][  T200] 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
[   31.638410][  T200] RSP: 002b:00007fff70f5fce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   31.638413][  T200] RAX: ffffffffffffffda RBX: 000055d991857d30 RCX: 00007f9d13c7954e
[   31.638414][  T200] RDX: 0000000000000030 RSI: 000055d991a14590 RDI: 0000000000000014
[   31.638415][  T200] RBP: 00007fff70f5fcf0 R08: 00007fff70f5fd40 R09: 0000000000000080
[   31.638416][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000055d991a30740
[   31.638417][  T200] R13: 00007fff70f5fe24 R14: 0000000000000000 R15: 0000000000000000
| [   32.986175][  T200] softirqs last disabled at (4851692): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   32.986178][  T200] Preemption disabled at:
| [   32.986178][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   32.986187][  T200] Tainted: [W]=WARN
[   32.986188][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.986189][  T200] Call Trace:
[   32.986191][  T200]  <TASK>
[   32.986192][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   32.986198][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   32.986200][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   32.986205][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   32.986209][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   32.986213][  T200]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   32.986215][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.986222][  T200]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   32.986224][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.986228][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   32.986231][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   32.986232][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.986235][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.986238][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.986243][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   32.986247][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.986252][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   32.986255][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.986260][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   32.986264][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   32.986266][  T200]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   32.986269][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.986271][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.986275][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   32.986279][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   32.986281][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.986286][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   32.986289][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   32.986291][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.986293][  T200]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   32.986296][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   32.986298][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   32.986301][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   32.986304][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   32.986305][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   32.986307][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   32.986312][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   32.986318][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   32.986323][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   32.986325][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.986328][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   32.986331][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   32.986333][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.986336][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.986337][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.986339][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.986341][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.986344][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   32.986350][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   32.986353][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   32.986356][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.986359][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.986361][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   32.986365][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   32.986367][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   32.986370][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   32.986373][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   32.986376][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.986379][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   32.986385][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   32.986387][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.986390][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   32.986392][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   32.986393][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.986395][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.986397][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.986402][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.986404][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   32.986405][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   32.986409][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.986411][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   32.986415][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.986417][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.986419][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.986420][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.986421][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   32.986424][  T200]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   32.986427][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   32.986428][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   32.986430][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   32.986433][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   32.986434][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   32.986438][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.986441][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.986449][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   32.986452][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   32.986453][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.986476][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.986478][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.986481][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.986483][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   32.986485][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.986490][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.986492][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.986493][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   32.986495][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.986499][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   32.986501][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   32.986504][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.986506][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.986510][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.986512][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.986515][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   32.986519][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.986522][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.986528][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   32.986530][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   32.986535][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.986539][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.986543][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.986546][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   32.986550][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   32.986552][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.986555][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.986559][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   32.986562][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   32.986566][  T200]  __sys_sendto (net/socket.c:2281)
[   32.986569][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   32.986583][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   32.986585][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.986589][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   32.986591][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   32.986594][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   32.986596][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   32.986598][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.986600][  T200] RIP: 0033:0x7f9d13c7954e
[   32.986604][  T200] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   32.986606][  T200] RSP: 002b:00007fff70f5fce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   32.986609][  T200] RAX: ffffffffffffffda RBX: 000055d991857d30 RCX: 00007f9d13c7954e
[   32.986610][  T200] RDX: 0000000000000030 RSI: 000055d9919ea940 RDI: 0000000000000014
[   32.986611][  T200] RBP: 00007fff70f5fcf0 R08: 00007fff70f5fd40 R09: 0000000000000080
[   32.986611][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000055d991a34e60
[   32.986612][  T200] R13: 00007fff70f5fe24 R14: 0000000000000000 R15: 0000000000000000
| [   34.047072][  T200] softirqs last disabled at (5001328): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   34.047075][  T200] Preemption disabled at:
| [   34.047076][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   34.047084][  T200] Tainted: [W]=WARN
[   34.047085][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.047086][  T200] Call Trace:
[   34.047088][  T200]  <TASK>
[   34.047090][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   34.047095][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   34.047097][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   34.047101][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   34.047106][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   34.047110][  T200]  __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))
[   34.047112][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.047118][  T200]  ? 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)
[   34.047121][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.047125][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   34.047127][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   34.047128][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.047132][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.047135][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.047139][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   34.047143][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.047148][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   34.047151][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.047156][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   34.047160][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   34.047162][  T200]  ? 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))
[   34.047165][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.047167][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.047171][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   34.047175][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   34.047177][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.047182][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   34.047185][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   34.047187][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.047188][  T200]  ? 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)
[   34.047192][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   34.047194][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   34.047197][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   34.047200][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   34.047201][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   34.047203][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   34.047208][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   34.047214][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   34.047218][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   34.047221][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.047224][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   34.047227][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   34.047229][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.047232][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.047233][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.047235][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.047237][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.047240][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   34.047246][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   34.047249][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   34.047252][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.047255][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.047257][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   34.047261][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   34.047263][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   34.047266][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   34.047269][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   34.047272][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.047274][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   34.047280][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   34.047283][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.047286][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   34.047287][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   34.047289][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.047291][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.047292][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.047297][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.047299][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   34.047300][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   34.047304][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.047306][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   34.047308][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.047310][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.047311][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.047313][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.047314][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   34.047316][  T200]  ? __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)
[   34.047319][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   34.047321][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   34.047323][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   34.047326][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   34.047327][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   34.047330][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.047333][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.047340][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   34.047344][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   34.047345][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.047368][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.047369][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.047372][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.047374][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   34.047376][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.047381][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.047383][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.047384][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   34.047386][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.047390][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   34.047392][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   34.047395][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.047396][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.047401][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.047403][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.047406][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   34.047409][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.047412][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.047420][  T200]  ? 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))
[   34.047422][  T200]  ? 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))
[   34.047427][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.047431][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.047434][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.047438][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   34.047442][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   34.047444][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.047446][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.047451][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   34.047454][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   34.047457][  T200]  __sys_sendto (net/socket.c:2281)
[   34.047460][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   34.047475][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   34.047477][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   34.047480][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   34.047483][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   34.047485][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   34.047487][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   34.047490][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.047492][  T200] RIP: 0033:0x7f9d13c7954e
[   34.047496][  T200] 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
[   34.047497][  T200] RSP: 002b:00007fff70f5fce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   34.047500][  T200] RAX: ffffffffffffffda RBX: 000055d991857d30 RCX: 00007f9d13c7954e
[   34.047501][  T200] RDX: 0000000000000030 RSI: 000055d9919f6790 RDI: 0000000000000014
[   34.047502][  T200] RBP: 00007fff70f5fcf0 R08: 00007fff70f5fd40 R09: 0000000000000080
[   34.047502][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000055d991a36dc0


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