======================================
| [    9.687788][  T179] softirqs last disabled at (9322): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [    9.687791][  T179] Preemption disabled at:
| [    9.687792][  T179] vprintk_emit (kernel/printk/printk.c:2471)
| [    9.687804][  T179] Tainted: [W]=WARN
[    9.687805][  T179] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.687807][  T179] Call Trace:
[    9.687810][  T179]  <TASK>
[    9.687812][  T179]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.687819][  T179]  ? vprintk_emit (kernel/printk/printk.c:2471)
[    9.687822][  T179]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.687828][  T179]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.687834][  T179]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.687841][  T179]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[    9.687845][  T179]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.687853][  T179]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.687857][  T179]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.687862][  T179]  put_chars (drivers/char/virtio_console.c:1176)
[    9.687866][  T179]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.687868][  T179]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[    9.687875][  T179]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[    9.687881][  T179]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.687885][  T179]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.687887][  T179]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.687890][  T179]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.687897][  T179]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.687899][  T179]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.687911][  T179]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.687918][  T179]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.687924][  T179]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.687926][  T179]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[    9.687931][  T179]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.687936][  T179]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.687943][  T179]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.687950][  T179]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.687953][  T179]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.687962][  T179]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.687966][  T179]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.687968][  T179]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.687972][  T179]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.687978][  T179]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.687981][  T179]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.687986][  T179]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.687992][  T179]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.687997][  T179]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.688006][  T179]  _printk (kernel/printk/printk.c:2504)
[    9.688011][  T179]  ? snapshot_read.cold (user.c:?)
[    9.688018][  T179]  ? in6_dev_get (./include/linux/rcupdate.h:882 ./include/net/addrconf.h:410)
[    9.688022][  T179]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[    9.688026][  T179]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[    9.688033][  T179]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[    9.688036][  T179]  ? netdev_notice (net/core/dev.c:13194)
[    9.688040][  T179]  ? ref_tracker_alloc (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:252 ./include/linux/refcount.h:283 ./include/linux/refcount.h:366 ./include/linux/refcount.h:383 lib/ref_tracker.c:265)
[    9.688046][  T179]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.688054][  T179]  ? 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)
[    9.688059][  T179]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[    9.688066][  T179]  dev_set_allmulti (net/core/dev_api.c:315)
[    9.688072][  T179]  vif_add (net/ipv4/ipmr.c:875)
[    9.688074][  T179]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[    9.688078][  T179]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[    9.688085][  T179]  ? pim_rcv (net/ipv4/ipmr.c:2435)
[    9.688090][  T179]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.688092][  T179]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[    9.688101][  T179]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.688106][  T179]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[    9.688114][  T179]  ip_mroute_setsockopt (net/ipv4/ipmr.c:1491 (discriminator 1))
[    9.688119][  T179]  ? ipmr_rtm_route (net/ipv4/ipmr.c:2967)
[    9.688121][  T179]  ? __mark_inode_dirty (./include/linux/spinlock.h:347 fs/fs-writeback.c:2773)
[    9.688128][  T179]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.688134][  T179]  ? __mark_inode_dirty (./include/linux/spinlock.h:401 fs/fs-writeback.c:2835)
[    9.688136][  T179]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5593)
[    9.688143][  T179]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.688151][  T179]  do_ip_setsockopt (net/ipv4/ip_sockglue.c:952)
[    9.688156][  T179]  ? file_update_time_flags (fs/inode.c:2484)
[    9.688160][  T179]  ? ip_sock_set_tos (net/ipv4/ip_sockglue.c:609)
[    9.688165][  T179]  ? fault_dirty_shared_page (mm/memory.c:3858)
[    9.688171][  T179]  ? do_pte_missing (mm/memory.c:6092 mm/memory.c:6138 mm/memory.c:4700)
[    9.688178][  T179]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[    9.688181][  T179]  ? handle_pte_fault (mm/memory.c:6558)
[    9.688187][  T179]  ip_setsockopt (net/ipv4/ip_sockglue.c:1421)
[    9.688193][  T179]  raw_setsockopt (net/ipv4/raw.c:851)
[    9.688199][  T179]  ? raw_bind (net/ipv4/raw.c:733)
[    9.688201][  T179]  ? __handle_mm_fault (mm/memory.c:6707)
[    9.688205][  T179]  ? __pmd_alloc (./include/linux/mm.h:1762)
[    9.688211][  T179]  do_sock_setsockopt (net/socket.c:2397)
[    9.688218][  T179]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[    9.688226][  T179]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.688232][  T179]  __sys_setsockopt (net/socket.c:2422)
[    9.688240][  T179]  __x64_sys_setsockopt (net/socket.c:2428 net/socket.c:2425 net/socket.c:2425)
[    9.688243][  T179]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.688247][  T179]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[    9.688250][  T179]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[    9.688253][  T179]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.688255][  T179]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.688259][  T179]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.688262][  T179] RIP: 0033:0x7ff10ec332de
[    9.688268][  T179] Code: 55 48 63 c9 48 63 ff 45 89 c9 48 89 e5 48 83 ec 08 6a 2c e8 94 72 f7 ff c9 c3 66 90 f3 0f 1e fa 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 e1
All code
========
   0:	55                   	push   %rbp
   1:	48 63 c9             	movslq %ecx,%rcx
   4:	48 63 ff             	movslq %edi,%rdi
   7:	45 89 c9             	mov    %r9d,%r9d
   a:	48 89 e5             	mov    %rsp,%rbp
   d:	48 83 ec 08          	sub    $0x8,%rsp
  11:	6a 2c                	push   $0x2c
  13:	e8 94 72 f7 ff       	call   0xfffffffffff772ac
  18:	c9                   	leave
  19:	c3                   	ret
  1a:	66 90                	xchg   %ax,%ax
  1c:	f3 0f 1e fa          	endbr64
  20:	49 89 ca             	mov    %rcx,%r10
  23:	b8 36 00 00 00       	mov    $0x36,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 0a                	ja     0x3c
  32:	c3                   	ret
  33:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  3a:	00 00 
  3c:	48                   	rex.W
  3d:	8b                   	.byte 0x8b
  3e:	15                   	.byte 0x15
  3f:	e1                   	.byte 0xe1

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 0a                	ja     0x12
   8:	c3                   	ret
   9:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  10:	00 00 
  12:	48                   	rex.W
  13:	8b                   	.byte 0x8b
  14:	15                   	.byte 0x15
  15:	e1                   	.byte 0xe1
[    9.688270][  T179] RSP: 002b:00007ffe0e13a5d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000036
[    9.688274][  T179] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff10ec332de
[    9.688276][  T179] RDX: 00000000000000ca RSI: 0000000000000000 RDI: 0000000000000006
[    9.688277][  T179] RBP: 00007ffe0e13a650 R08: 0000000000000010 R09: 0000000000000000
[    9.688278][  T179] R10: 00007ffe0e13a68c R11: 0000000000000206 R12: 00007ffe0e13ad58
[    9.688280][  T179] R13: 0000000000000001 R14: 00007ff10ed7b000 R15: 000000000040be00
| [   10.756071][   T12] softirqs last disabled at (105876): mroute_clean_tables (net/ipv4/ipmr.c:1364 (discriminator 1))
| [   10.756073][   T12] Preemption disabled at:
| [   10.756074][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.756083][   T12] Tainted: [W]=WARN
[   10.756084][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.756086][   T12] Workqueue: netns cleanup_net
[   10.756089][   T12] Call Trace:
[   10.756091][   T12]  <TASK>
[   10.756092][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.756098][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.756101][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.756105][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.756109][   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)
[   10.756115][   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))
[   10.756117][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.756123][   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)
[   10.756126][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.756129][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   10.756132][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.756136][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.756141][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.756148][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.756150][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.756154][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.756158][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.756163][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.756164][   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))
[   10.756168][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.756170][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.756175][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.756179][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.756181][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.756187][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.756190][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.756191][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.756194][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.756198][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.756200][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.756203][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.756211][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.756213][   T12]  ? unwind_next_frame (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/linux/rcupdate.h:1216 (discriminator 2) arch/x86/kernel/unwind_orc.c:495 (discriminator 2))
[   10.756218][   T12]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[   10.756221][   T12]  _printk (kernel/printk/printk.c:2504)
[   10.756225][   T12]  ? snapshot_read.cold (user.c:?)
[   10.756227][   T12]  ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55)
[   10.756231][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   10.756235][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   10.756238][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   10.756241][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   10.756245][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.756247][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.756250][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.756252][   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)
[   10.756256][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   10.756261][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   10.756265][   T12]  vif_delete (net/ipv4/ipmr.c:725)
[   10.756268][   T12]  ? ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   10.756272][   T12]  ? ipmr_cache_report (./include/linux/skbuff.h:3160)
[   10.756279][   T12]  mroute_clean_tables (net/ipv4/ipmr.c:1337)
[   10.756287][   T12]  ? rtm_to_ipmr_mfcc.constprop.0 (./include/net/netlink.h:1734 (discriminator 1))
[   10.756289][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.756292][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.756295][   T12]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3206 (discriminator 6))
[   10.756300][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:449)
[   10.756302][   T12]  ipmr_free_table (net/ipv4/ipmr.c:449)
[   10.756304][   T12]  ? mroute_clean_tables (./include/linux/rhashtable.h:122)
[   10.756310][   T12]  ipmr_net_exit_rtnl (net/ipv4/ipmr.c:287 net/ipv4/ipmr.c:3354)
[   10.756315][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   10.756319][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[   10.756321][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.756327][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   10.756330][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   10.756334][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.756336][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.756340][   T12]  process_one_work (kernel/workqueue.c:3387)
[   10.756346][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   10.756349][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.756357][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   10.756365][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   10.756367][   T12]  kthread (kernel/kthread.c:436)
[   10.756369][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.756372][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   10.756375][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.756379][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   10.756383][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.756386][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   10.756389][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.850424][  T279] softirqs last disabled at (9422): fpu_clone (./include/linux/bottom_half.h:20 (discriminator 2) ./arch/x86/include/asm/fpu/api.h:69 (discriminator 2) arch/x86/kernel/fpu/core.c:710 (discriminator 2))
| [   11.850426][  T279] Preemption disabled at:
| [   11.850426][  T279] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.850436][  T279] Tainted: [W]=WARN
[   11.850437][  T279] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.850438][  T279] Call Trace:
[   11.850440][  T279]  <TASK>
[   11.850441][  T279]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.850447][  T279]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.850449][  T279]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.850453][  T279]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.850458][  T279]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.850463][  T279]  __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))
[   11.850465][  T279]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.850471][  T279]  ? 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)
[   11.850474][  T279]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.850477][  T279]  put_chars (drivers/char/virtio_console.c:1176)
[   11.850479][  T279]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   11.850481][  T279]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.850484][  T279]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.850488][  T279]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.850492][  T279]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.850494][  T279]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.850496][  T279]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.850501][  T279]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.850502][  T279]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.850505][  T279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.850508][  T279]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.850512][  T279]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.850516][  T279]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.850518][  T279]  ? 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))
[   11.850521][  T279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.850524][  T279]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.850527][  T279]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.850532][  T279]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.850533][  T279]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.850539][  T279]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.850541][  T279]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.850543][  T279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.850546][  T279]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.850549][  T279]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.850551][  T279]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.850554][  T279]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.850558][  T279]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.850564][  T279]  _printk (kernel/printk/printk.c:2504)
[   11.850568][  T279]  ? snapshot_read.cold (user.c:?)
[   11.850569][  T279]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.850572][  T279]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.850575][  T279]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.850578][  T279]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   11.850581][  T279]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   11.850585][  T279]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   11.850587][  T279]  ? netdev_notice (net/core/dev.c:13194)
[   11.850589][  T279]  ? ref_tracker_alloc (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:252 ./include/linux/refcount.h:283 ./include/linux/refcount.h:366 ./include/linux/refcount.h:383 lib/ref_tracker.c:265)
[   11.850593][  T279]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   11.850599][  T279]  ? 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)
[   11.850603][  T279]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   11.850607][  T279]  dev_set_allmulti (net/core/dev_api.c:315)
[   11.850611][  T279]  ? dev_get_by_index (./include/linux/rcupdate.h:882 net/core/dev.c:1025)
[   11.850614][  T279]  mif6_add (net/ipv6/ip6mr.c:943)
[   11.850618][  T279]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.850623][  T279]  ? mr6_netlink_event (./include/net/net_namespace.h:422 (discriminator 7))
[   11.850624][  T279]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.850627][  T279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.850630][  T279]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.850636][  T279]  ip6_mroute_setsockopt (net/ipv6/ip6mr.c:1754 (discriminator 1))
[   11.850640][  T279]  ? ip6mr_sk_done (net/ipv6/ip6mr.c:1665 (discriminator 2))
[   11.850642][  T279]  ? validate_chain (kernel/locking/lockdep.c:154 (discriminator 5) kernel/locking/lockdep.c:202 (discriminator 5) kernel/locking/lockdep.c:3329 (discriminator 5) kernel/locking/lockdep.c:3924 (discriminator 5))
[   11.850647][  T279]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.850652][  T279]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.850655][  T279]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.850658][  T279]  do_ipv6_setsockopt (net/ipv6/ipv6_sockglue.c:397)
[   11.850664][  T279]  ? ipv6_set_opt_hdr (net/ipv6/ipv6_sockglue.c:343 (discriminator 1))
[   11.850668][  T279]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.850671][  T279]  ? __mark_inode_dirty (./include/linux/spinlock.h:401 fs/fs-writeback.c:2835)
[   11.850674][  T279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5593)
[   11.850676][  T279]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.850678][  T279]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.850680][  T279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.850684][  T279]  ? 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)
[   11.850686][  T279]  ? preempt_count_add (./include/linux/ftrace.h:1177 kernel/sched/core.c:5970 kernel/sched/core.c:5967 kernel/sched/core.c:6000)
[   11.850688][  T279]  ? mnt_put_write_access_file (fs/namespace.c:556 fs/namespace.c:580 fs/namespace.c:577)
[   11.850691][  T279]  ? mnt_put_write_access_file (fs/namespace.c:558 (discriminator 1) fs/namespace.c:580 (discriminator 1) fs/namespace.c:577 (discriminator 1))
[   11.850693][  T279]  ? file_update_time_flags (fs/inode.c:2484)
[   11.850697][  T279]  ? fault_dirty_shared_page (mm/memory.c:3858)
[   11.850701][  T279]  ? do_pte_missing (mm/memory.c:6092 mm/memory.c:6138 mm/memory.c:4700)
[   11.850706][  T279]  ? ipv6_setsockopt (net/ipv6/ipv6_sockglue.c:980)
[   11.850708][  T279]  ipv6_setsockopt (net/ipv6/ipv6_sockglue.c:980)
[   11.850712][  T279]  rawv6_setsockopt (net/ipv6/raw.c:1048)
[   11.850714][  T279]  ? mksaveddirty_shift (./arch/x86/include/asm/pgtable.h:373)
[   11.850717][  T279]  ? raw6_seq_show (./include/net/raw.h:68)
[   11.850719][  T279]  ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22))
[   11.850722][  T279]  ? __pmd_alloc (./include/linux/mm.h:1762)
[   11.850726][  T279]  do_sock_setsockopt (net/socket.c:2397)
[   11.850731][  T279]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   11.850735][  T279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.850739][  T279]  __sys_setsockopt (net/socket.c:2422)
[   11.850743][  T279]  __x64_sys_setsockopt (net/socket.c:2428 net/socket.c:2425 net/socket.c:2425)
[   11.850746][  T279]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.850749][  T279]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.850751][  T279]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   11.850753][  T279]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.850754][  T279]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.850757][  T279]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.850760][  T279] RIP: 0033:0x7ff10ec332de
[   11.850764][  T279] Code: 55 48 63 c9 48 63 ff 45 89 c9 48 89 e5 48 83 ec 08 6a 2c e8 94 72 f7 ff c9 c3 66 90 f3 0f 1e fa 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 e1
All code
========
   0:	55                   	push   %rbp
   1:	48 63 c9             	movslq %ecx,%rcx
   4:	48 63 ff             	movslq %edi,%rdi
   7:	45 89 c9             	mov    %r9d,%r9d
   a:	48 89 e5             	mov    %rsp,%rbp
   d:	48 83 ec 08          	sub    $0x8,%rsp
  11:	6a 2c                	push   $0x2c
  13:	e8 94 72 f7 ff       	call   0xfffffffffff772ac
  18:	c9                   	leave
  19:	c3                   	ret
  1a:	66 90                	xchg   %ax,%ax
  1c:	f3 0f 1e fa          	endbr64
  20:	49 89 ca             	mov    %rcx,%r10
  23:	b8 36 00 00 00       	mov    $0x36,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 0a                	ja     0x3c
  32:	c3                   	ret
  33:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  3a:	00 00 
  3c:	48                   	rex.W
  3d:	8b                   	.byte 0x8b
  3e:	15                   	.byte 0x15
  3f:	e1                   	.byte 0xe1

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 0a                	ja     0x12
   8:	c3                   	ret
   9:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  10:	00 00 
  12:	48                   	rex.W
  13:	8b                   	.byte 0x8b
  14:	15                   	.byte 0x15
  15:	e1                   	.byte 0xe1
[   11.850766][  T279] RSP: 002b:00007ffe0e13a598 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[   11.850768][  T279] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff10ec332de
[   11.850770][  T279] RDX: 00000000000000ca RSI: 0000000000000029 RDI: 0000000000000006
[   11.850770][  T279] RBP: 00007ffe0e13a650 R08: 000000000000000c R09: 0000000000000000
[   11.850771][  T279] R10: 00007ffe0e13a68c R11: 0000000000000246 R12: 00007ffe0e13ad58


Finger prints:
mroute_clean_tables:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
fpu_clone:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars