======================================
| [   10.514737][  T193] softirqs last disabled at (18986): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   10.514739][  T193] Preemption disabled at:
| [   10.514740][  T193] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.514750][  T193] Tainted: [W]=WARN
[   10.514751][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.514753][  T193] Call Trace:
[   10.514754][  T193]  <TASK>
[   10.514756][  T193]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.514762][  T193]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.514764][  T193]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.514769][  T193]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.514773][  T193]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.514778][  T193]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.514781][  T193]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.514787][  T193]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.514790][  T193]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.514793][  T193]  put_chars (drivers/char/virtio_console.c:1176)
[   10.514796][  T193]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.514803][  T193]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.514810][  T193]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.514813][  T193]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.514818][  T193]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.514821][  T193]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.514823][  T193]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.514827][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.514831][  T193]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.514835][  T193]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.514839][  T193]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.514841][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.514847][  T193]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.514850][  T193]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.514852][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.514854][  T193]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.514858][  T193]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.514860][  T193]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.514863][  T193]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.514867][  T193]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.514869][  T193]  ? kasan_save_stack (mm/kasan/common.c:58)
[   10.514873][  T193]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.514874][  T193]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.514876][  T193]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   10.514878][  T193]  ? hsr_add_port (./include/linux/slab.h:991 (discriminator 1) ./include/linux/slab.h:1312 (discriminator 1) net/hsr/hsr_slave.c:201 (discriminator 1))
[   10.514881][  T193]  ? hsr_dev_finalize (net/hsr/hsr_device.c:826)
[   10.514883][  T193]  ? hsr_newlink (net/hsr/hsr_netlink.c:127)
[   10.514887][  T193]  _printk (kernel/printk/printk.c:2504)
[   10.514890][  T193]  ? snapshot_read.cold (user.c:?)
[   10.514892][  T193]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.514896][  T193]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   10.514900][  T193]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   10.514904][  T193]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   10.514906][  T193]  ? netdev_notice (net/core/dev.c:13194)
[   10.514913][  T193]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.514917][  T193]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   10.514921][  T193]  netif_set_promiscuity (net/core/dev.c:9699)
[   10.514926][  T193]  dev_set_promiscuity (net/core/dev_api.c:288)
[   10.514929][  T193]  hsr_add_port (net/hsr/hsr_slave.c:155 net/hsr/hsr_slave.c:213)
[   10.514932][  T193]  ? hsr_port_exists (net/hsr/hsr_slave.c:97)
[   10.514936][  T193]  ? timer_init_key (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 ./include/linux/lockdep.h:148 kernel/time/timer.c:861 kernel/time/timer.c:881)
[   10.514941][  T193]  hsr_dev_finalize (net/hsr/hsr_device.c:826)
[   10.514943][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12198 (discriminator 10))
[   10.514948][  T193]  ? alloc_netdev_mqs (net/core/dev.c:12209)
[   10.514950][  T193]  hsr_newlink (net/hsr/hsr_netlink.c:127)
[   10.514954][  T193]  ? hsr_dellink (net/hsr/hsr_netlink.c:147)
[   10.514959][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3785)
[   10.514962][  T193]  ? nla_strscpy (lib/nlattr.c:795)
[   10.514967][  T193]  rtnl_newlink_create (net/core/rtnetlink.c:3969)
[   10.514971][  T193]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   10.514973][  T193]  ? __dev_get_by_name (net/core/dev.c:905)
[   10.514975][  T193]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   10.514983][  T193]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   10.514990][  T193]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.514996][  T193]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.514998][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.515004][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.515008][  T193]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.515010][  T193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.515014][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.515015][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.515020][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.515022][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.515025][  T193]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.515029][  T193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.515032][  T193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.515038][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.515040][  T193]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.515050][  T193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.515054][  T193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.515057][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.515062][  T193]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.515066][  T193]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.515070][  T193]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   10.515076][  T193]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   10.515080][  T193]  ? copy_msghdr_from_user (net/socket.c:2650)
[   10.515083][  T193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   10.515084][  T193]  ? move_addr_to_kernel (net/socket.c:258)
[   10.515089][  T193]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   10.515092][  T193]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.515095][  T193]  ___sys_sendmsg (net/socket.c:2767)
[   10.515097][  T193]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   10.515100][  T193]  ? copy_msghdr_from_user (net/socket.c:2619)
[   10.515103][  T193]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   10.515118][  T193]  __sys_sendmsg (net/socket.c:2799)
[   10.515121][  T193]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   10.515127][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.515130][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.515133][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.515136][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.515139][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.515141][  T193] RIP: 0033:0x7f8e0495d54e
[   10.515145][  T193] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.515147][  T193] RSP: 002b:00007ffe93308c20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.515149][  T193] RAX: ffffffffffffffda RBX: 00007ffe933093d0 RCX: 00007f8e0495d54e
[   10.515151][  T193] RDX: 0000000000000000 RSI: 00007ffe93308cd0 RDI: 0000000000000005
[   10.515152][  T193] RBP: 00007ffe93308c30 R08: 0000000000000000 R09: 0000000000000000
[   10.515153][  T193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a502
[   10.515154][  T193] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe933093a0
| [   27.200342][  T353] softirqs last disabled at (36037): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   27.200345][  T353] Preemption disabled at:
| [   27.200346][  T353] vprintk_emit (kernel/printk/printk.c:2471)
| [   27.200358][  T353] Tainted: [W]=WARN
[   27.200359][  T353] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.200361][  T353] Call Trace:
[   27.200363][  T353]  <TASK>
[   27.200365][  T353]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.200372][  T353]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   27.200376][  T353]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.200382][  T353]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.200387][  T353]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   27.200394][  T353]  __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))
[   27.200398][  T353]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.200406][  T353]  ? 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)
[   27.200410][  T353]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.200415][  T353]  put_chars (drivers/char/virtio_console.c:1176)
[   27.200420][  T353]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.200424][  T353]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.200431][  T353]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.200435][  T353]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.200443][  T353]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.200447][  T353]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.200455][  T353]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.200460][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.200468][  T353]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.200474][  T353]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.200477][  T353]  ? 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))
[   27.200482][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.200485][  T353]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.200492][  T353]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.200498][  T353]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.200501][  T353]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.200510][  T353]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.200514][  T353]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.200517][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.200520][  T353]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.200526][  T353]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.200529][  T353]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.200534][  T353]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.200540][  T353]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.200549][  T353]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   27.200554][  T353]  _printk (kernel/printk/printk.c:2504)
[   27.200559][  T353]  ? snapshot_read.cold (user.c:?)
[   27.200571][  T353]  ? do_one_initcall (./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/initcall.h:27 init/main.c:1356)
[   27.200576][  T353] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q
[   27.200581][  T353]  do_one_initcall (init/main.c:1357)
[   27.200585][  T353]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   27.200593][  T353]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   27.200596][  T353]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   27.200604][  T353]  do_init_module (kernel/module/main.c:3117)
[   27.200610][  T353]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.200615][  T353]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   27.200620][  T353]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   27.200626][  T353]  load_module (kernel/module/main.c:3593)
[   27.200638][  T353]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   27.200644][  T353]  ? __ia32_sys_fsconfig (??:?)
[   27.200648][  T353]  ? add_chain_cache (kernel/locking/lockdep.c:3782)
[   27.200657][  T353]  init_module_from_file (kernel/module/main.c:3790)
[   27.200661][  T353]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   27.200675][  T353]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.200681][  T353]  ? 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)
[   27.200686][  T353]  idempotent_init_module (kernel/module/main.c:3802)
[   27.200692][  T353]  ? init_module_from_file (kernel/module/main.c:3791)
[   27.200702][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.200706][  T353]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   27.200715][  T353]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   27.200718][  T353]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.200723][  T353]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.200727][  T353]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   27.200731][  T353]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.200734][  T353] RIP: 0033:0x7fd4f255d37d
[   27.200739][  T353] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   27.200741][  T353] RSP: 002b:00007fffe35ae3b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   27.200745][  T353] RAX: ffffffffffffffda RBX: 000055ad6104d810 RCX: 00007fd4f255d37d
[   27.200747][  T353] RDX: 0000000000000000 RSI: 000055ad4c792ffd RDI: 0000000000000000
[   27.200748][  T353] RBP: 00007fffe35ae450 R08: 0000000000000000 R09: 0000000000000000
[   27.200749][  T353] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ad4c792ffd
[   27.200751][  T353] R13: 000055ad6104d960 R14: 0000000000040000 R15: 0000000000000000
| [   43.122292][   T12] softirqs last disabled at (16572): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   43.122295][   T12] Preemption disabled at:
| [   43.122295][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   43.122306][   T12] Tainted: [W]=WARN
[   43.122306][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.122308][   T12] Workqueue: netns cleanup_net
[   43.122312][   T12] Call Trace:
[   43.122314][   T12]  <TASK>
[   43.122316][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   43.122322][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   43.122324][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   43.122329][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.122333][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   43.122339][   T12]  __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))
[   43.122341][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.122348][   T12]  ? 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)
[   43.122350][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.122354][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   43.122356][   T12]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   43.122359][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   43.122362][   T12]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   43.122367][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   43.122375][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   43.122378][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.122382][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.122386][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   43.122391][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   43.122393][   T12]  ? 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))
[   43.122396][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.122399][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.122403][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   43.122407][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   43.122409][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.122415][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   43.122418][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   43.122423][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.122426][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   43.122430][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   43.122432][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   43.122435][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   43.122439][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   43.122442][   T12]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   43.122444][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   43.122447][   T12]  ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369)
[   43.122449][   T12]  ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369)
[   43.122452][   T12]  _printk (kernel/printk/printk.c:2504)
[   43.122456][   T12]  ? snapshot_read.cold (user.c:?)
[   43.122459][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   43.122463][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   43.122466][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   43.122470][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   43.122473][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   43.122476][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   43.122478][   T12]  ? netif_set_mtu_ext (net/core/dev.c:9910 (discriminator 2))
[   43.122480][   T12]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[   43.122484][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.122488][   T12]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   43.122491][   T12]  ? sync_rcu_exp_select_cpus (./include/linux/list.h:54 (discriminator 2))
[   43.122494][   T12]  netif_set_promiscuity (net/core/dev.c:9699)
[   43.122499][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[   43.122502][   T12]  hsr_del_port (net/hsr/hsr_slave.c:244)
[   43.122508][   T12]  hsr_del_ports (net/hsr/hsr_device.c:498)
[   43.122510][   T12]  hsr_dellink (net/hsr/hsr_netlink.c:141)
[   43.122513][   T12]  default_device_exit_batch (net/core/dev.c:13280)
[   43.122517][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[   43.122519][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.122522][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.122526][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   43.122530][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   43.122532][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[   43.122534][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   43.122537][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   43.122542][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   43.122545][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.122549][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.122551][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.122556][   T12]  process_one_work (kernel/workqueue.c:3387)
[   43.122562][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   43.122565][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.122573][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   43.122581][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   43.122583][   T12]  kthread (kernel/kthread.c:436)
[   43.122586][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.122589][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   43.122592][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.122596][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   43.122599][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.122603][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   43.122605][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   44.201261][  T523] softirqs last disabled at (23976): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   44.201264][  T523] Preemption disabled at:
| [   44.201265][  T523] vprintk_emit (kernel/printk/printk.c:2471)
| [   44.201277][  T523] Tainted: [W]=WARN
[   44.201278][  T523] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.201280][  T523] Call Trace:
[   44.201283][  T523]  <TASK>
[   44.201285][  T523]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   44.201299][  T523]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   44.201302][  T523]  __might_resched.cold (kernel/sched/core.c:9234)
[   44.201308][  T523]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   44.201314][  T523]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   44.201321][  T523]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   44.201325][  T523]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.201333][  T523]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   44.201337][  T523]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.201342][  T523]  put_chars (drivers/char/virtio_console.c:1176)
[   44.201347][  T523]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   44.201359][  T523]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   44.201370][  T523]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   44.201375][  T523]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.201382][  T523]  console_emit_next_record (kernel/printk/printk.c:3183)
[   44.201388][  T523]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   44.201391][  T523]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   44.201396][  T523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.201401][  T523]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.201408][  T523]  console_flush_one_record (kernel/printk/printk.c:3268)
[   44.201415][  T523]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   44.201418][  T523]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.201431][  T523]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   44.201435][  T523]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   44.201438][  T523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.201442][  T523]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   44.201449][  T523]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   44.201452][  T523]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   44.201458][  T523]  vprintk_emit (kernel/printk/printk.c:2479)
[   44.201464][  T523]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   44.201466][  T523]  ? kasan_save_stack (mm/kasan/common.c:58)
[   44.201471][  T523]  ? kasan_save_track (mm/kasan/common.c:78)
[   44.201473][  T523]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   44.201476][  T523]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   44.201478][  T523]  ? hsr_add_port (./include/linux/slab.h:991 (discriminator 1) ./include/linux/slab.h:1312 (discriminator 1) net/hsr/hsr_slave.c:201 (discriminator 1))
[   44.201483][  T523]  ? hsr_dev_finalize (net/hsr/hsr_device.c:826)
[   44.201485][  T523]  ? hsr_newlink (net/hsr/hsr_netlink.c:127)
[   44.201491][  T523]  _printk (kernel/printk/printk.c:2504)
[   44.201496][  T523]  ? snapshot_read.cold (user.c:?)
[   44.201498][  T523]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.201506][  T523]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   44.201510][  T523]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   44.201516][  T523]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   44.201520][  T523]  ? netdev_notice (net/core/dev.c:13194)
[   44.201532][  T523]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   44.201538][  T523]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   44.201545][  T523]  netif_set_promiscuity (net/core/dev.c:9699)
[   44.201551][  T523]  dev_set_promiscuity (net/core/dev_api.c:288)
[   44.201556][  T523]  hsr_add_port (net/hsr/hsr_slave.c:155 net/hsr/hsr_slave.c:213)
[   44.201561][  T523]  ? hsr_port_exists (net/hsr/hsr_slave.c:97)
[   44.201566][  T523]  ? timer_init_key (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 ./include/linux/lockdep.h:148 kernel/time/timer.c:861 kernel/time/timer.c:881)
[   44.201574][  T523]  hsr_dev_finalize (net/hsr/hsr_device.c:826)
[   44.201577][  T523]  ? alloc_netdev_mqs (net/core/dev.c:12198 (discriminator 10))
[   44.201585][  T523]  ? alloc_netdev_mqs (net/core/dev.c:12209)
[   44.201588][  T523]  hsr_newlink (net/hsr/hsr_netlink.c:127)
[   44.201592][  T523]  ? hsr_dellink (net/hsr/hsr_netlink.c:147)
[   44.201597][  T523]  ? rtnl_create_link (net/core/rtnetlink.c:3785)
[   44.201600][  T523]  ? nla_strscpy (lib/nlattr.c:795)
[   44.201607][  T523]  rtnl_newlink_create (net/core/rtnetlink.c:3969)
[   44.201613][  T523]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   44.201616][  T523]  ? __dev_get_by_name (net/core/dev.c:905)
[   44.201619][  T523]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   44.201634][  T523]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   44.201647][  T523]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   44.201657][  T523]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.201660][  T523]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.201672][  T523]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.201679][  T523]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.201683][  T523]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.201688][  T523]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.201691][  T523]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.201698][  T523]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.201701][  T523]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.201708][  T523]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   44.201712][  T523]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.201717][  T523]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.201729][  T523]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   44.201731][  T523]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   44.201739][  T523]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.201746][  T523]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.201751][  T523]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.201758][  T523]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.201765][  T523]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   44.201772][  T523]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   44.201781][  T523]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   44.201786][  T523]  ? copy_msghdr_from_user (net/socket.c:2650)
[   44.201790][  T523]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   44.201792][  T523]  ? move_addr_to_kernel (net/socket.c:258)
[   44.201806][  T523]  ___sys_sendmsg (net/socket.c:2767)
[   44.201811][  T523]  ? copy_msghdr_from_user (net/socket.c:2619)
[   44.201841][  T523]  __sys_sendmsg (net/socket.c:2799)
[   44.201846][  T523]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   44.201858][  T523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.201864][  T523]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.201868][  T523]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   44.201872][  T523]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.201875][  T523] RIP: 0033:0x7fa814a1854e
[   44.201880][  T523] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   44.201883][  T523] RSP: 002b:00007ffdd4b84300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.201887][  T523] RAX: ffffffffffffffda RBX: 00007ffdd4b84ab0 RCX: 00007fa814a1854e
[   44.201889][  T523] RDX: 0000000000000000 RSI: 00007ffdd4b843b0 RDI: 0000000000000005
[   44.201890][  T523] RBP: 00007ffdd4b84310 R08: 0000000000000000 R09: 0000000000000000
[   44.201892][  T523] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a524
[   44.201893][  T523] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd4b84a80
| [   77.392717][   T12] softirqs last disabled at (170974): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   77.392720][   T12] Preemption disabled at:
| [   77.392721][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   77.392731][   T12] Tainted: [W]=WARN
[   77.392732][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   77.392733][   T12] Workqueue: netns cleanup_net
[   77.392737][   T12] Call Trace:
[   77.392739][   T12]  <TASK>
[   77.392741][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   77.392747][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   77.392750][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   77.392755][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   77.392759][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   77.392765][   T12]  __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))
[   77.392767][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   77.392774][   T12]  ? 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)
[   77.392777][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   77.392780][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   77.392784][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   77.392788][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   77.392793][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   77.392801][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   77.392804][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.392809][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.392813][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   77.392817][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   77.392819][   T12]  ? 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))
[   77.392823][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.392825][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.392830][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   77.392834][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   77.392836][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.392842][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   77.392845][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   77.392847][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.392850][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   77.392854][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   77.392856][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   77.392859][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   77.392864][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   77.392867][   T12]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   77.392869][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   77.392872][   T12]  ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369)
[   77.392873][   T12]  ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369)
[   77.392877][   T12]  _printk (kernel/printk/printk.c:2504)
[   77.392881][   T12]  ? snapshot_read.cold (user.c:?)
[   77.392884][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   77.392887][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   77.392891][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   77.392895][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   77.392897][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   77.392901][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   77.392903][   T12]  ? netif_set_mtu_ext (net/core/dev.c:9910 (discriminator 2))
[   77.392905][   T12]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[   77.392909][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   77.392913][   T12]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   77.392916][   T12]  ? sync_rcu_exp_select_cpus (./include/linux/list.h:54 (discriminator 2))
[   77.392919][   T12]  netif_set_promiscuity (net/core/dev.c:9699)
[   77.392923][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[   77.392926][   T12]  hsr_del_port (net/hsr/hsr_slave.c:244)
[   77.392932][   T12]  hsr_del_ports (net/hsr/hsr_device.c:498)
[   77.392935][   T12]  hsr_dellink (net/hsr/hsr_netlink.c:141)
[   77.392938][   T12]  default_device_exit_batch (net/core/dev.c:13280)
[   77.392941][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[   77.392944][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   77.392947][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   77.392951][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   77.392957][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   77.392961][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[   77.392964][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   77.392967][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   77.392972][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   77.392976][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   77.392980][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.392982][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.392986][   T12]  process_one_work (kernel/workqueue.c:3387)
[   77.392994][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   77.392997][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   77.393005][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   77.393013][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   77.393015][   T12]  kthread (kernel/kthread.c:436)
[   77.393018][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   77.393021][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   77.393024][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   77.393029][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   77.393032][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   77.393036][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)


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