======================================
| [    9.638474][  T180] softirqs last disabled at (13034): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [    9.638476][  T180] Preemption disabled at:
| [    9.638477][  T180] vprintk_emit (kernel/printk/printk.c:2471)
| [    9.638486][  T180] Tainted: [W]=WARN
[    9.638487][  T180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.638489][  T180] Call Trace:
[    9.638491][  T180]  <TASK>
[    9.638492][  T180]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.638498][  T180]  ? vprintk_emit (kernel/printk/printk.c:2471)
[    9.638500][  T180]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.638505][  T180]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.638509][  T180]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.638514][  T180]  __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))
[    9.638516][  T180]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.638522][  T180]  ? 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)
[    9.638525][  T180]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.638528][  T180]  put_chars (drivers/char/virtio_console.c:1176)
[    9.638531][  T180]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.638532][  T180]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[    9.638536][  T180]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[    9.638540][  T180]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.638542][  T180]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.638544][  T180]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.638546][  T180]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.638550][  T180]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.638551][  T180]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.638555][  T180]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.638559][  T180]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.638562][  T180]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.638564][  T180]  ? 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))
[    9.638568][  T180]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.638572][  T180]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.638576][  T180]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.638580][  T180]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.638581][  T180]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.638586][  T180]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.638589][  T180]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.638591][  T180]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.638593][  T180]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.638597][  T180]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.638598][  T180]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.638602][  T180]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.638605][  T180]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.638609][  T180]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.638612][  T180]  _printk (kernel/printk/printk.c:2504)
[    9.638616][  T180]  ? snapshot_read.cold (user.c:?)
[    9.638620][  T180]  ? in6_dev_get (./include/linux/rcupdate.h:882 ./include/net/addrconf.h:410)
[    9.638623][  T180]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[    9.638627][  T180]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[    9.638630][  T180]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[    9.638632][  T180]  ? netdev_notice (net/core/dev.c:13194)
[    9.638635][  T180]  ? 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)
[    9.638639][  T180]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[    9.638643][  T180]  ? 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)
[    9.638647][  T180]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[    9.638652][  T180]  dev_set_allmulti (net/core/dev_api.c:315)
[    9.638656][  T180]  vif_add (net/ipv4/ipmr.c:875)
[    9.638657][  T180]  ? __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)
[    9.638660][  T180]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[    9.638664][  T180]  ? pim_rcv (net/ipv4/ipmr.c:2441)
[    9.638667][  T180]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.638669][  T180]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[    9.638674][  T180]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.638677][  T180]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[    9.638682][  T180]  ip_mroute_setsockopt (net/ipv4/ipmr.c:1497 (discriminator 1))
[    9.638685][  T180]  ? ipmr_rtm_route (net/ipv4/ipmr.c:2973)
[    9.638686][  T180]  ? __mark_inode_dirty (./include/linux/spinlock.h:347 fs/fs-writeback.c:2773)
[    9.638691][  T180]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.638694][  T180]  ? __mark_inode_dirty (./include/linux/spinlock.h:401 fs/fs-writeback.c:2835)
[    9.638695][  T180]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5593)
[    9.638699][  T180]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.638703][  T180]  do_ip_setsockopt (net/ipv4/ip_sockglue.c:952)
[    9.638707][  T180]  ? file_update_time_flags (fs/inode.c:2484)
[    9.638711][  T180]  ? ip_sock_set_tos (net/ipv4/ip_sockglue.c:609)
[    9.638714][  T180]  ? fault_dirty_shared_page (mm/memory.c:3858)
[    9.638717][  T180]  ? do_pte_missing (mm/memory.c:6092 mm/memory.c:6138 mm/memory.c:4700)
[    9.638721][  T180]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[    9.638723][  T180]  ? handle_pte_fault (mm/memory.c:6558)
[    9.638727][  T180]  ip_setsockopt (net/ipv4/ip_sockglue.c:1421)
[    9.638731][  T180]  raw_setsockopt (net/ipv4/raw.c:851)
[    9.638735][  T180]  ? raw_bind (net/ipv4/raw.c:733)
[    9.638736][  T180]  ? __handle_mm_fault (mm/memory.c:6707)
[    9.638739][  T180]  ? __pmd_alloc (./include/linux/mm.h:1762)
[    9.638742][  T180]  do_sock_setsockopt (net/socket.c:2397)
[    9.638747][  T180]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[    9.638751][  T180]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.638755][  T180]  __sys_setsockopt (net/socket.c:2422)
[    9.638759][  T180]  __x64_sys_setsockopt (net/socket.c:2428 net/socket.c:2425 net/socket.c:2425)
[    9.638761][  T180]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.638764][  T180]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[    9.638767][  T180]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[    9.638769][  T180]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.638770][  T180]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.638773][  T180]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.638775][  T180] RIP: 0033:0x7eff4222b2de
[    9.638779][  T180] 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
[    9.638781][  T180] RSP: 002b:00007fff037ff5f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000036
[    9.638784][  T180] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007eff4222b2de
[    9.638785][  T180] RDX: 00000000000000ca RSI: 0000000000000000 RDI: 0000000000000006
[    9.638786][  T180] RBP: 00007fff037ff670 R08: 0000000000000010 R09: 0000000000000000
[    9.638787][  T180] R10: 00007fff037ff6ac R11: 0000000000000202 R12: 00007fff037ffd78
[    9.638788][  T180] R13: 0000000000000001 R14: 00007eff42373000 R15: 000000000040be00
| [   10.691448][   T12] softirqs last disabled at (99348): mroute_clean_tables (net/ipv4/ipmr.c:1370 (discriminator 1))
| [   10.691451][   T12] Preemption disabled at:
| [   10.691451][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.691461][   T12] Tainted: [W]=WARN
[   10.691462][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.691463][   T12] Workqueue: netns cleanup_net
[   10.691467][   T12] Call Trace:
[   10.691468][   T12]  <TASK>
[   10.691470][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.691476][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.691478][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.691483][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.691487][   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)
[   10.691492][   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))
[   10.691495][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.691501][   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)
[   10.691503][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.691507][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   10.691510][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.691513][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.691518][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.691525][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.691527][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.691531][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.691536][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.691540][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.691542][   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))
[   10.691545][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.691548][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.691552][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.691556][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.691558][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.691564][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.691567][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.691569][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.691571][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.691575][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.691577][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.691580][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.691584][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.691586][   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))
[   10.691591][   T12]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[   10.691594][   T12]  _printk (kernel/printk/printk.c:2504)
[   10.691598][   T12]  ? snapshot_read.cold (user.c:?)
[   10.691600][   T12]  ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55)
[   10.691604][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   10.691607][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   10.691611][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   10.691614][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   10.691618][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.691620][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.691623][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.691625][   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)
[   10.691629][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   10.691634][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   10.691638][   T12]  vif_delete (net/ipv4/ipmr.c:725)
[   10.691641][   T12]  ? ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   10.691645][   T12]  ? ipmr_cache_report (./include/linux/skbuff.h:3160)
[   10.691652][   T12]  mroute_clean_tables (net/ipv4/ipmr.c:1343)
[   10.691660][   T12]  ? rtm_to_ipmr_mfcc.constprop.0 (./include/net/netlink.h:1734 (discriminator 1))
[   10.691662][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.691665][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.691668][   T12]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3206 (discriminator 6))
[   10.691673][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:449)
[   10.691675][   T12]  ipmr_free_table (net/ipv4/ipmr.c:449)
[   10.691677][   T12]  ? mroute_clean_tables (./include/linux/rhashtable.h:122)
[   10.691682][   T12]  ipmr_net_exit_rtnl (net/ipv4/ipmr.c:287 net/ipv4/ipmr.c:3360)
[   10.691687][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   10.691692][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[   10.691694][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.691699][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   10.691702][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   10.691706][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.691708][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.691713][   T12]  process_one_work (kernel/workqueue.c:3387)
[   10.691719][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   10.691722][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.691730][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   10.691738][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   10.691740][   T12]  kthread (kernel/kthread.c:436)
[   10.691742][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.691745][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   10.691748][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.691752][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   10.691755][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.691759][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   10.691761][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.821124][  T279] softirqs last disabled at (4209): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.821126][  T279] Preemption disabled at:
| [   11.821127][  T279] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.821136][  T279] Tainted: [W]=WARN
[   11.821137][  T279] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.821139][  T279] Call Trace:
[   11.821140][  T279]  <TASK>
[   11.821142][  T279]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.821147][  T279]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.821150][  T279]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.821154][  T279]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.821158][  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)
[   11.821163][  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))
[   11.821165][  T279]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.821171][  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)
[   11.821173][  T279]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.821176][  T279]  put_chars (drivers/char/virtio_console.c:1176)
[   11.821178][  T279]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   11.821180][  T279]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.821183][  T279]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.821186][  T279]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.821190][  T279]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.821193][  T279]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.821195][  T279]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.821199][  T279]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.821200][  T279]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.821203][  T279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.821206][  T279]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.821210][  T279]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.821214][  T279]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.821216][  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))
[   11.821219][  T279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.821221][  T279]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.821225][  T279]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.821229][  T279]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.821231][  T279]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.821236][  T279]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.821238][  T279]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.821240][  T279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.821242][  T279]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.821246][  T279]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.821248][  T279]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.821251][  T279]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.821254][  T279]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.821260][  T279]  _printk (kernel/printk/printk.c:2504)
[   11.821264][  T279]  ? snapshot_read.cold (user.c:?)
[   11.821265][  T279]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.821268][  T279]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.821271][  T279]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.821273][  T279]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   11.821277][  T279]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   11.821280][  T279]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   11.821283][  T279]  ? netdev_notice (net/core/dev.c:13194)
[   11.821284][  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)
[   11.821288][  T279]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   11.821293][  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)
[   11.821297][  T279]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   11.821302][  T279]  dev_set_allmulti (net/core/dev_api.c:315)
[   11.821305][  T279]  ? dev_get_by_index (./include/linux/rcupdate.h:882 net/core/dev.c:1025)
[   11.821308][  T279]  mif6_add (net/ipv6/ip6mr.c:943)
[   11.821312][  T279]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.821316][  T279]  ? mr6_netlink_event (./include/net/net_namespace.h:422 (discriminator 7))
[   11.821318][  T279]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.821321][  T279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.821324][  T279]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.821330][  T279]  ip6_mroute_setsockopt (net/ipv6/ip6mr.c:1759 (discriminator 1))
[   11.821333][  T279]  ? ip6mr_sk_done (net/ipv6/ip6mr.c:1670 (discriminator 2))
[   11.821339][  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))
[   11.821344][  T279]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.821350][  T279]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.821352][  T279]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.821355][  T279]  do_ipv6_setsockopt (net/ipv6/ipv6_sockglue.c:397)
[   11.821361][  T279]  ? ipv6_set_opt_hdr (net/ipv6/ipv6_sockglue.c:343 (discriminator 1))
[   11.821365][  T279]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.821368][  T279]  ? __mark_inode_dirty (./include/linux/spinlock.h:401 fs/fs-writeback.c:2835)
[   11.821371][  T279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5593)
[   11.821372][  T279]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.821374][  T279]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.821377][  T279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.821381][  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)
[   11.821382][  T279]  ? preempt_count_add (./include/linux/ftrace.h:1177 kernel/sched/core.c:5970 kernel/sched/core.c:5967 kernel/sched/core.c:6000)
[   11.821384][  T279]  ? mnt_put_write_access_file (fs/namespace.c:556 fs/namespace.c:580 fs/namespace.c:577)
[   11.821387][  T279]  ? mnt_put_write_access_file (fs/namespace.c:558 (discriminator 1) fs/namespace.c:580 (discriminator 1) fs/namespace.c:577 (discriminator 1))
[   11.821389][  T279]  ? file_update_time_flags (fs/inode.c:2484)
[   11.821393][  T279]  ? fault_dirty_shared_page (mm/memory.c:3858)
[   11.821397][  T279]  ? do_pte_missing (mm/memory.c:6092 mm/memory.c:6138 mm/memory.c:4700)
[   11.821402][  T279]  ? ipv6_setsockopt (net/ipv6/ipv6_sockglue.c:980)
[   11.821405][  T279]  ipv6_setsockopt (net/ipv6/ipv6_sockglue.c:980)
[   11.821408][  T279]  rawv6_setsockopt (net/ipv6/raw.c:1048)
[   11.821410][  T279]  ? mksaveddirty_shift (./arch/x86/include/asm/pgtable.h:373)
[   11.821413][  T279]  ? raw6_seq_show (./include/net/raw.h:68)
[   11.821415][  T279]  ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22))
[   11.821418][  T279]  ? __pmd_alloc (./include/linux/mm.h:1762)
[   11.821422][  T279]  do_sock_setsockopt (net/socket.c:2397)
[   11.821426][  T279]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   11.821430][  T279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.821434][  T279]  __sys_setsockopt (net/socket.c:2422)
[   11.821439][  T279]  __x64_sys_setsockopt (net/socket.c:2428 net/socket.c:2425 net/socket.c:2425)
[   11.821441][  T279]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.821444][  T279]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.821446][  T279]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   11.821448][  T279]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.821449][  T279]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.821452][  T279]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.821454][  T279] RIP: 0033:0x7eff4222b2de
[   11.821458][  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
[   11.821459][  T279] RSP: 002b:00007fff037ff5b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[   11.821462][  T279] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007eff4222b2de
[   11.821464][  T279] RDX: 00000000000000ca RSI: 0000000000000029 RDI: 0000000000000006
[   11.821464][  T279] RBP: 00007fff037ff670 R08: 000000000000000c R09: 0000000000000000
[   11.821465][  T279] R10: 00007fff037ff6ac R11: 0000000000000246 R12: 00007fff037ffd78


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