======================================
| [   11.866127][  T196] softirqs last disabled at (231014): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   11.866130][  T196] Preemption disabled at:
| [   11.866131][  T196] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.866140][  T196] Tainted: [W]=WARN
[   11.866141][  T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.866142][  T196] Call Trace:
[   11.866144][  T196]  <TASK>
[   11.866146][  T196]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.866152][  T196]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.866153][  T196]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.866158][  T196]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.866163][  T196]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.866167][  T196]  __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))
[   11.866169][  T196]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.866176][  T196]  ? 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)
[   11.866179][  T196]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.866183][  T196]  put_chars (drivers/char/virtio_console.c:1176)
[   11.866185][  T196]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.866189][  T196]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.866194][  T196]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.866198][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.866203][  T196]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.866207][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.866212][  T196]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.866216][  T196]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.866218][  T196]  ? 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))
[   11.866221][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.866223][  T196]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.866227][  T196]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.866231][  T196]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.866233][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.866239][  T196]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.866242][  T196]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.866244][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.866246][  T196]  ? 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)
[   11.866250][  T196]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.866251][  T196]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.866254][  T196]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.866257][  T196]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.866259][  T196]  ? __kernel_text_address (kernel/extable.c:79)
[   11.866261][  T196]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.866265][  T196]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   11.866272][  T196]  dev_vprintk_emit (drivers/base/core.c:5000)
[   11.866277][  T196]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   11.866287][  T196]  dev_printk_emit (drivers/base/core.c:5011)
[   11.866290][  T196]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   11.866294][  T196]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   11.866300][  T196]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   11.866306][  T196]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   11.866309][  T196]  ? netdev_notice (net/core/dev.c:13194)
[   11.866312][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.866315][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.866318][  T196]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.866321][  T196]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.866323][  T196]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   11.866326][  T196]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   11.866330][  T196]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   11.866332][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.866335][  T196]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.866341][  T196]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.866344][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.866347][  T196]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.866348][  T196]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.866350][  T196]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.866352][  T196]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.866355][  T196]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.866360][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.866362][  T196]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   11.866364][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   11.866367][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.866369][  T196]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   11.866372][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.866374][  T196]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.866375][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.866376][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.866378][  T196]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.866380][  T196]  ? __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)
[   11.866383][  T196]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.866385][  T196]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   11.866387][  T196]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.866390][  T196]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.866391][  T196]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.866395][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.866399][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.866406][  T196]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   11.866409][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   11.866410][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.866433][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.866435][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.866438][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.866440][  T196]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.866442][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.866447][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.866449][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.866451][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   11.866453][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.866456][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   11.866458][  T196]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.866462][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.866463][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.866468][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.866469][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.866473][  T196]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.866476][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.866479][  T196]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.866486][  T196]  ? 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))
[   11.866488][  T196]  ? 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))
[   11.866493][  T196]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.866497][  T196]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.866500][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.866504][  T196]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.866508][  T196]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.866510][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.866513][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.866517][  T196]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   11.866520][  T196]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   11.866530][  T196]  __sys_sendto (net/socket.c:2281)
[   11.866533][  T196]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   11.866544][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   11.866549][  T196]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   11.866552][  T196]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.866555][  T196]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.866557][  T196]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   11.866560][  T196]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.866562][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.866564][  T196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.866567][  T196] RIP: 0033:0x7f0de624454e
[   11.866571][  T196] 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
[   11.866573][  T196] RSP: 002b:00007fff7bc60aa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   11.866575][  T196] RAX: ffffffffffffffda RBX: 00005643218b3710 RCX: 00007f0de624454e
[   11.866576][  T196] RDX: 0000000000000030 RSI: 00005643218a40e0 RDI: 0000000000000012
[   11.866577][  T196] RBP: 00007fff7bc60ab0 R08: 00007fff7bc60b00 R09: 0000000000000080
[   11.866578][  T196] R10: 0000000000000000 R11: 0000000000000202 R12: 00005643218f2660
[   11.866579][  T196] R13: 00007fff7bc60be4 R14: 0000000000000000 R15: 0000000000000000
| [   12.876117][  T219] softirqs last disabled at (13334): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   12.876119][  T219] Preemption disabled at:
| [   12.876120][  T219] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.876128][  T219] Tainted: [W]=WARN
[   12.876129][  T219] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.876131][  T219] Call Trace:
[   12.876132][  T219]  <TASK>
[   12.876134][  T219]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.876140][  T219]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.876141][  T219]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.876146][  T219]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.876150][  T219]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.876155][  T219]  __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))
[   12.876157][  T219]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.876163][  T219]  ? 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)
[   12.876166][  T219]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.876170][  T219]  put_chars (drivers/char/virtio_console.c:1176)
[   12.876173][  T219]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.876175][  T219]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.876179][  T219]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.876182][  T219]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.876186][  T219]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.876190][  T219]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.876192][  T219]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.876194][  T219]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.876198][  T219]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.876200][  T219]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.876204][  T219]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.876209][  T219]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.876213][  T219]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.876215][  T219]  ? 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))
[   12.876218][  T219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.876220][  T219]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.876224][  T219]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.876229][  T219]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.876230][  T219]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.876236][  T219]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.876239][  T219]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.876241][  T219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.876242][  T219]  ? 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)
[   12.876246][  T219]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.876248][  T219]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.876251][  T219]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.876254][  T219]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.876257][  T219]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.876261][  T219]  _printk (kernel/printk/printk.c:2504)
[   12.876265][  T219]  ? snapshot_read.cold (user.c:?)
[   12.876268][  T219]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.876270][  T219]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.876274][  T219]  ? 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)
[   12.876277][  T219]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   12.876282][  T219]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   12.876290][  T219]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   12.876294][  T219]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   12.876300][  T219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.876302][  T219]  notifier_call_chain (kernel/notifier.c:85)
[   12.876307][  T219]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   12.876312][  T219]  ? netif_change_name (net/core/dev.c:1517)
[   12.876316][  T219]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.876319][  T219]  ? write_profile (profile.c:?)
[   12.876324][  T219]  netif_change_flags (net/core/dev.c:9882)
[   12.876328][  T219]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   12.876332][  T219]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.876334][  T219]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.876335][  T219]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.876337][  T219]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.876341][  T219]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.876343][  T219]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.876344][  T219]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.876347][  T219]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.876349][  T219]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.876350][  T219]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.876352][  T219]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.876354][  T219]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.876356][  T219]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   12.876359][  T219]  ? ___sys_sendmsg (net/socket.c:2758)
[   12.876363][  T219]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.876365][  T219]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.876367][  T219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.876369][  T219]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.876371][  T219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.876372][  T219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.876374][  T219]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.876376][  T219]  ? __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)
[   12.876378][  T219]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.876380][  T219]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.876384][  T219]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.876387][  T219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.876389][  T219]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.876395][  T219]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.876400][  T219]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.876402][  T219]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.876407][  T219]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.876409][  T219]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.876411][  T219]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.876412][  T219]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.876416][  T219]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.876418][  T219]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.876422][  T219]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.876423][  T219]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.876428][  T219]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.876429][  T219]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.876433][  T219]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.876435][  T219]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.876438][  T219]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.876444][  T219]  ? 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))
[   12.876447][  T219]  ? 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))
[   12.876451][  T219]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.876455][  T219]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.876458][  T219]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.876462][  T219]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.876466][  T219]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.876470][  T219]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.876472][  T219]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   12.876477][  T219]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   12.876480][  T219]  ____sys_sendmsg (net/socket.c:2713)
[   12.876483][  T219]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.876485][  T219]  ? sock_write_iter (net/socket.c:1269)
[   12.876486][  T219]  ? move_addr_to_kernel (net/socket.c:258)
[   12.876494][  T219]  ___sys_sendmsg (net/socket.c:2767)
[   12.876497][  T219]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.876513][  T219]  __sys_sendmsg (net/socket.c:2799)
[   12.876516][  T219]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.876522][  T219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.876525][  T219]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.876533][  T219]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.876536][  T219]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.876538][  T219] RIP: 0033:0x7f7edbec654e
[   12.876542][  T219] 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
[   12.876544][  T219] RSP: 002b:00007ffe975a3b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.876546][  T219] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7edbec654e
[   12.876548][  T219] RDX: 0000000000000000 RSI: 00007ffe975a3c10 RDI: 0000000000000003
[   12.876549][  T219] RBP: 00007ffe975a3b70 R08: 0000000000000000 R09: 0000000000000000
[   12.876549][  T219] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e407
[   12.876550][  T219] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe975a42d0
| [   13.885333][  T258] softirqs last disabled at (11234): addrconf_permanent_addr (net/ipv6/addrconf.c:3651)
| [   13.885335][  T258] Preemption disabled at:
| [   13.885336][  T258] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.885345][  T258] Tainted: [W]=WARN
[   13.885346][  T258] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.885347][  T258] Call Trace:
[   13.885349][  T258]  <TASK>
[   13.885350][  T258]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.885357][  T258]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.885358][  T258]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.885363][  T258]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.885368][  T258]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.885372][  T258]  __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))
[   13.885374][  T258]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.885381][  T258]  ? 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)
[   13.885384][  T258]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.885388][  T258]  put_chars (drivers/char/virtio_console.c:1176)
[   13.885390][  T258]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.885393][  T258]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.885396][  T258]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.885399][  T258]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.885404][  T258]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.885408][  T258]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.885410][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.885411][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.885416][  T258]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.885417][  T258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.885422][  T258]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.885426][  T258]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.885430][  T258]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.885432][  T258]  ? 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))
[   13.885436][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.885438][  T258]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.885442][  T258]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.885446][  T258]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.885448][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.885453][  T258]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.885457][  T258]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.885459][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.885460][  T258]  ? 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)
[   13.885464][  T258]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.885466][  T258]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.885469][  T258]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.885472][  T258]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.885474][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.885479][  T258]  _printk (kernel/printk/printk.c:2504)
[   13.885482][  T258]  ? snapshot_read.cold (user.c:?)
[   13.885486][  T258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.885488][  T258]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.885492][  T258]  ? 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)
[   13.885495][  T258]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   13.885500][  T258]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   13.885505][  T258]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   13.885513][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.885514][  T258]  notifier_call_chain (kernel/notifier.c:85)
[   13.885519][  T258]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   13.885525][  T258]  ? netif_change_name (net/core/dev.c:1517)
[   13.885533][  T258]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.885537][  T258]  ? write_profile (profile.c:?)
[   13.885542][  T258]  netif_change_flags (net/core/dev.c:9882)
[   13.885546][  T258]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   13.885550][  T258]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.885552][  T258]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.885554][  T258]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.885556][  T258]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.885559][  T258]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.885561][  T258]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.885563][  T258]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.885566][  T258]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.885568][  T258]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.885569][  T258]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.885571][  T258]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.885573][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.885575][  T258]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   13.885578][  T258]  ? ___sys_sendmsg (net/socket.c:2758)
[   13.885582][  T258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.885584][  T258]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.885586][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.885588][  T258]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.885590][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.885591][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.885593][  T258]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.885595][  T258]  ? __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)
[   13.885598][  T258]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.885600][  T258]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.885603][  T258]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.885607][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.885609][  T258]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.885615][  T258]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.885620][  T258]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.885622][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.885627][  T258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.885629][  T258]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.885631][  T258]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.885633][  T258]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.885637][  T258]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.885639][  T258]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.885642][  T258]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.885644][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.885648][  T258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.885650][  T258]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.885654][  T258]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.885657][  T258]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.885660][  T258]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.885667][  T258]  ? 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))
[   13.885669][  T258]  ? 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))
[   13.885674][  T258]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.885678][  T258]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.885681][  T258]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.885685][  T258]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.885689][  T258]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.885693][  T258]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.885695][  T258]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   13.885700][  T258]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   13.885703][  T258]  ____sys_sendmsg (net/socket.c:2713)
[   13.885706][  T258]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.885708][  T258]  ? sock_write_iter (net/socket.c:1269)
[   13.885710][  T258]  ? move_addr_to_kernel (net/socket.c:258)
[   13.885717][  T258]  ___sys_sendmsg (net/socket.c:2767)
[   13.885720][  T258]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.885737][  T258]  __sys_sendmsg (net/socket.c:2799)
[   13.885740][  T258]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.885746][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.885749][  T258]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.885753][  T258]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.885755][  T258]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.885758][  T258] RIP: 0033:0x7f66f93b254e
[   13.885762][  T258] 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
[   13.885764][  T258] RSP: 002b:00007ffffd851c70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.885766][  T258] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f66f93b254e
[   13.885768][  T258] RDX: 0000000000000000 RSI: 00007ffffd851d20 RDI: 0000000000000003
[   13.885769][  T258] RBP: 00007ffffd851c80 R08: 0000000000000000 R09: 0000000000000000
[   13.885769][  T258] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e408
[   13.885770][  T258] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffffd8523e0
| [   15.068172][  T262] softirqs last disabled at (9796): addrconf_permanent_addr (net/ipv6/addrconf.c:3651)
| [   15.068174][  T262] Preemption disabled at:
| [   15.068175][  T262] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.068183][  T262] Tainted: [W]=WARN
[   15.068184][  T262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.068186][  T262] Call Trace:
[   15.068187][  T262]  <TASK>
[   15.068189][  T262]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.068195][  T262]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.068196][  T262]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.068201][  T262]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.068205][  T262]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.068210][  T262]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   15.068212][  T262]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.068218][  T262]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.068221][  T262]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.068224][  T262]  put_chars (drivers/char/virtio_console.c:1176)
[   15.068227][  T262]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.068229][  T262]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.068233][  T262]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.068236][  T262]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.068240][  T262]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.068243][  T262]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.068245][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.068247][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.068251][  T262]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.068253][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.068257][  T262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.068261][  T262]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.068265][  T262]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.068267][  T262]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   15.068270][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.068272][  T262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.068276][  T262]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.068280][  T262]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.068282][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.068291][  T262]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.068294][  T262]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.068295][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.068297][  T262]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   15.068301][  T262]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.068303][  T262]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.068305][  T262]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.068309][  T262]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.068311][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.068315][  T262]  _printk (kernel/printk/printk.c:2504)
[   15.068319][  T262]  ? snapshot_read.cold (user.c:?)
[   15.068322][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.068324][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.068328][  T262]  ? notifier_call_chain (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/notifier.h:59 kernel/notifier.c:84)
[   15.068331][  T262]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   15.068336][  T262]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   15.068341][  T262]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   15.068348][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.068350][  T262]  notifier_call_chain (kernel/notifier.c:85)
[   15.068354][  T262]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   15.068359][  T262]  ? netif_change_name (net/core/dev.c:1517)
[   15.068363][  T262]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   15.068366][  T262]  ? write_profile (profile.c:?)
[   15.068371][  T262]  netif_change_flags (net/core/dev.c:9882)
[   15.068375][  T262]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   15.068379][  T262]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   15.068381][  T262]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.068382][  T262]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.068384][  T262]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.068388][  T262]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.068390][  T262]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.068391][  T262]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.068394][  T262]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.068396][  T262]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.068397][  T262]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.068399][  T262]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   15.068401][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.068403][  T262]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   15.068406][  T262]  ? ___sys_sendmsg (net/socket.c:2758)
[   15.068409][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.068411][  T262]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.068414][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.068416][  T262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.068417][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.068418][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.068420][  T262]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.068422][  T262]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   15.068425][  T262]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.068427][  T262]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.068430][  T262]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.068434][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.068436][  T262]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.068441][  T262]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.068446][  T262]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.068448][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.068453][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.068455][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.068457][  T262]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.068459][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.068462][  T262]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.068464][  T262]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.068468][  T262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.068469][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.068473][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.068475][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.068479][  T262]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.068482][  T262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.068485][  T262]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.068491][  T262]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.068493][  T262]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.068498][  T262]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.068502][  T262]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.068504][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.068509][  T262]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.068513][  T262]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.068516][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.068518][  T262]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   15.068523][  T262]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   15.068526][  T262]  ____sys_sendmsg (net/socket.c:2713)
[   15.068528][  T262]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.068531][  T262]  ? sock_write_iter (net/socket.c:1269)
[   15.068538][  T262]  ? move_addr_to_kernel (net/socket.c:258)
[   15.068545][  T262]  ___sys_sendmsg (net/socket.c:2767)
[   15.068548][  T262]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.068564][  T262]  __sys_sendmsg (net/socket.c:2799)
[   15.068567][  T262]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.068573][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.068576][  T262]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.068579][  T262]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.068582][  T262]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.068584][  T262] RIP: 0033:0x7fe068baf54e
[   15.068588][  T262] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.068590][  T262] RSP: 002b:00007ffe69afb430 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.068593][  T262] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe068baf54e
[   15.068594][  T262] RDX: 0000000000000000 RSI: 00007ffe69afb4e0 RDI: 0000000000000003
[   15.068595][  T262] RBP: 00007ffe69afb440 R08: 0000000000000000 R09: 0000000000000000
[   15.068596][  T262] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e409
[   15.068597][  T262] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe69afbba0
| [   16.192752][  T196] softirqs last disabled at (788918): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   16.192755][  T196] Preemption disabled at:
| [   16.192755][  T196] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.192764][  T196] Tainted: [W]=WARN
[   16.192765][  T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.192767][  T196] Call Trace:
[   16.192768][  T196]  <TASK>
[   16.192770][  T196]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.192776][  T196]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.192777][  T196]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.192782][  T196]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.192786][  T196]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.192791][  T196]  __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))
[   16.192793][  T196]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.192799][  T196]  ? 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)
[   16.192802][  T196]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.192806][  T196]  put_chars (drivers/char/virtio_console.c:1176)
[   16.192808][  T196]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.192810][  T196]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.192814][  T196]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.192816][  T196]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.192822][  T196]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.192826][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.192831][  T196]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.192834][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.192839][  T196]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.192843][  T196]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.192845][  T196]  ? 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))
[   16.192848][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.192850][  T196]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.192854][  T196]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.192858][  T196]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.192860][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.192865][  T196]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.192868][  T196]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.192870][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.192872][  T196]  ? 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)
[   16.192876][  T196]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.192877][  T196]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.192880][  T196]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.192883][  T196]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.192885][  T196]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.192887][  T196]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   16.192893][  T196]  dev_vprintk_emit (drivers/base/core.c:5000)
[   16.192898][  T196]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   16.192903][  T196]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.192905][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.192908][  T196]  dev_printk_emit (drivers/base/core.c:5011)
[   16.192911][  T196]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   16.192913][  T196]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.192916][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.192917][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.192919][  T196]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.192921][  T196]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.192924][  T196]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   16.192931][  T196]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   16.192933][  T196]  ? netdev_notice (net/core/dev.c:13194)
[   16.192936][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.192939][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.192941][  T196]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.192945][  T196]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   16.192947][  T196]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   16.192950][  T196]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   16.192953][  T196]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   16.192956][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.192959][  T196]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   16.192965][  T196]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   16.192967][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.192970][  T196]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   16.192972][  T196]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.192973][  T196]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.192975][  T196]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.192977][  T196]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.192982][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.192983][  T196]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   16.192985][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   16.192989][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.192991][  T196]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   16.192993][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.192995][  T196]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.192996][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.192997][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.192999][  T196]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   16.193001][  T196]  ? __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)
[   16.193004][  T196]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   16.193006][  T196]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   16.193008][  T196]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.193011][  T196]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   16.193012][  T196]  ? nla_get_range_signed (lib/nlattr.c:270)
[   16.193016][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.193019][  T196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.193026][  T196]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   16.193030][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   16.193031][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.193053][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.193055][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.193058][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.193060][  T196]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.193062][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.193066][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.193068][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.193070][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   16.193072][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.193076][  T196]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   16.193078][  T196]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.193081][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.193082][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.193087][  T196]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.193088][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.193092][  T196]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.193095][  T196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.193098][  T196]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.193104][  T196]  ? 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))
[   16.193106][  T196]  ? 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))
[   16.193111][  T196]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.193115][  T196]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.193118][  T196]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.193122][  T196]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.193126][  T196]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.193127][  T196]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.193130][  T196]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.193135][  T196]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   16.193138][  T196]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   16.193141][  T196]  __sys_sendto (net/socket.c:2281)
[   16.193145][  T196]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   16.193155][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   16.193161][  T196]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   16.193163][  T196]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.193167][  T196]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   16.193168][  T196]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   16.193171][  T196]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.193173][  T196]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.193175][  T196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.193177][  T196] RIP: 0033:0x7f0de624454e
[   16.193181][  T196] 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
[   16.193183][  T196] RSP: 002b:00007fff7bc60aa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   16.193185][  T196] RAX: ffffffffffffffda RBX: 00005643218b3710 RCX: 00007f0de624454e
[   16.193187][  T196] RDX: 0000000000000030 RSI: 00005643218f6ab0 RDI: 0000000000000012
[   16.193188][  T196] RBP: 00007fff7bc60ab0 R08: 00007fff7bc60b00 R09: 0000000000000080
[   16.193188][  T196] R10: 0000000000000000 R11: 0000000000000202 R12: 0000564321905670


Finger prints:
addrconf_permanent_addr: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