======================================
| [   14.357276][  T261] softirqs last disabled at (33141): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   14.357278][  T261] Preemption disabled at:
| [   14.357279][  T261] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.357288][  T261] Tainted: [W]=WARN
[   14.357289][  T261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.357291][  T261] Call Trace:
[   14.357293][  T261]  <TASK>
[   14.357294][  T261]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.357300][  T261]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.357302][  T261]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.357307][  T261]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.357311][  T261]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.357316][  T261]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   14.357318][  T261]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.357324][  T261]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.357326][  T261]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.357329][  T261]  put_chars (drivers/char/virtio_console.c:1176)
[   14.357332][  T261]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   14.357334][  T261]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.357337][  T261]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.357340][  T261]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.357344][  T261]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.357347][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.357349][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.357353][  T261]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.357354][  T261]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.357358][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.357361][  T261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.357365][  T261]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.357369][  T261]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.357370][  T261]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   14.357374][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.357376][  T261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.357380][  T261]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.357384][  T261]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.357386][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.357391][  T261]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.357394][  T261]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.357396][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.357398][  T261]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.357401][  T261]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.357403][  T261]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.357406][  T261]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.357411][  T261]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.357416][  T261]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   14.357420][  T261]  _printk (kernel/printk/printk.c:2504)
[   14.357424][  T261]  ? snapshot_read.cold (user.c:?)
[   14.357430][  T261]  ? 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)
[   14.357433][  T261] gre_init (gre.mod.c:?) gre
[   14.357435][  T261]  do_one_initcall (init/main.c:1357)
[   14.357438][  T261]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   14.357442][  T261]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   14.357445][  T261]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   14.357450][  T261]  do_init_module (kernel/module/main.c:3117)
[   14.357454][  T261]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   14.357458][  T261]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   14.357461][  T261]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   14.357465][  T261]  load_module (kernel/module/main.c:3593)
[   14.357473][  T261]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   14.357478][  T261]  ? backing_file_read_iter (fs/backing-file.c:211)
[   14.357482][  T261]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.357486][  T261]  init_module_from_file (kernel/module/main.c:3790)
[   14.357489][  T261]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   14.357497][  T261]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   14.357501][  T261]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.357504][  T261]  idempotent_init_module (kernel/module/main.c:3802)
[   14.357507][  T261]  ? init_module_from_file (kernel/module/main.c:3791)
[   14.357513][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.357516][  T261]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   14.357522][  T261]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   14.357524][  T261]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.357528][  T261]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.357530][  T261]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.357533][  T261]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.357535][  T261] RIP: 0033:0x7f6321c5137d
[   14.357539][  T261] 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
[   14.357541][  T261] RSP: 002b:00007ffdac5fd5b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   14.357544][  T261] RAX: ffffffffffffffda RBX: 000055dc4d237d30 RCX: 00007f6321c5137d
[   14.357546][  T261] RDX: 0000000000000000 RSI: 000055dc3508effd RDI: 0000000000000000
[   14.357546][  T261] RBP: 00007ffdac5fd650 R08: 0000000000000000 R09: 0000000000000000
[   14.357547][  T261] R10: 0000000000000000 R11: 0000000000000246 R12: 000055dc3508effd
[   14.357548][  T261] R13: 000055dc4d237cf0 R14: 0000000000040000 R15: 0000000000000000
| [   14.499254][   T69]  #10: ffffffff9e489560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
| [   14.499258][   T69]
| [   14.499258][   T69] stack backtrace:
| [   14.499264][   T69] Tainted: [W]=WARN
[   14.499265][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.499267][   T69] Workqueue: ipv6_addrconf addrconf_dad_work
[   14.499271][   T69] Call Trace:
[   14.499273][   T69]  <TASK>
[   14.499274][   T69]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.499281][   T69]  lockdep_rcu_suspicious.cold (kernel/locking/lockdep.c:6938)
[   14.499287][   T69]  __might_resched (kernel/sched/core.c:9196 (discriminator 9))
[   14.499291][   T69]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.499295][   T69]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.499300][   T69]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   14.499303][   T69]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.499309][   T69]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.499311][   T69]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.499315][   T69]  put_chars (drivers/char/virtio_console.c:1176)
[   14.499318][   T69]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.499321][   T69]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   14.499327][   T69]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.499334][   T69]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.499336][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.499340][   T69]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.499345][   T69]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.499348][   T69]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.499350][   T69]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   14.499354][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.499356][   T69]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.499360][   T69]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.499365][   T69]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.499367][   T69]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.499372][   T69]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.499375][   T69]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.499377][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.499380][   T69]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.499384][   T69]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.499386][   T69]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.499389][   T69]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.499393][   T69]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.499396][   T69]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.499401][   T69]  _printk (kernel/printk/printk.c:2504)
[   14.499404][   T69]  ? snapshot_read.cold (user.c:?)
[   14.499406][   T69]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   14.499412][   T69]  ? idr_get_free (??:?)
[   14.499418][   T69] ip6_tnl_xmit_ctl.cold (net/ipv6/ip6_tunnel.c:1064 (discriminator 3)) ip6_tunnel
[   14.499422][   T69] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:889) ip6_gre
[   14.499426][   T69]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.499429][   T69]  ? __gre6_xmit (./include/linux/skbuff.h:2904) ip6_gre
[   14.499432][   T69]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.499435][   T69]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.499438][   T69]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.499440][   T69]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.499443][   T69]  ? netif_skb_features (net/core/dev.c:3793 net/core/dev.c:3922)
[   14.499449][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.499452][   T69]  dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953)
[   14.499455][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.499459][   T69]  __dev_queue_xmit (net/core/dev.c:4926)
[   14.499463][   T69]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.499465][   T69]  ? ip6_ra_control (net/ipv6/ipv6_sockglue.c:78)
[   14.499470][   T69]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[   14.499472][   T69]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.499475][   T69]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.499476][   T69]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   14.499479][   T69]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.499482][   T69]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   14.499484][   T69]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   14.499487][   T69]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   14.499489][   T69]  ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721)
[   14.499496][   T69]  ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3))
[   14.499500][   T69]  ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269)
[   14.499502][   T69]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.499505][   T69]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.499508][   T69]  ? ip6_mtu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip6_route.h:384 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2))
[   14.499512][   T69]  ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221)
[   14.499516][   T69]  ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248)
[   14.499520][   T69]  ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1))
[   14.499522][   T69]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.499524][   T69]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.499526][   T69]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.499528][   T69]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   14.499533][   T69]  ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4))
[   14.499538][   T69]  ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7))
[   14.499544][   T69]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   14.499550][   T69]  addrconf_dad_completed (net/ipv6/addrconf.c:4396)
[   14.499553][   T69]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.499556][   T69]  ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11))
[   14.499559][   T69]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.499560][   T69]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   14.499563][   T69]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.499566][   T69]  ? addrconf_dad_begin (net/ipv6/addrconf.c:4158)
[   14.499569][   T69]  addrconf_dad_begin (net/ipv6/addrconf.c:4158)
[   14.499571][   T69]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.499574][   T69]  ? addrconf_dad_completed (net/ipv6/addrconf.c:4402)
[   14.499576][   T69]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.499578][   T69]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   14.499580][   T69]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.499584][   T69]  addrconf_dad_work (net/ipv6/addrconf.c:4263)
[   14.499589][   T69]  ? addrconf_dad_begin (net/ipv6/addrconf.c:4180)
[   14.499592][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.499594][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.499596][   T69]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.499598][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.499602][   T69]  process_one_work (kernel/workqueue.c:3387)
[   14.499609][   T69]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   14.499612][   T69]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.499620][   T69]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   14.499624][   T69]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   14.499626][   T69]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   14.499629][   T69]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   14.499632][   T69]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   14.499634][   T69]  kthread (kernel/kthread.c:436)
[   14.499636][   T69]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.499639][   T69]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   14.499642][   T69]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.499646][   T69]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   14.499650][   T69]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.499653][   T69]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   14.499656][   T69]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   16.574044][  T322] softirqs last disabled at (31725): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   16.574046][  T322] Preemption disabled at:
| [   16.574047][  T322] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.574059][  T322] Tainted: [W]=WARN
[   16.574060][  T322] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.574062][  T322] Call Trace:
[   16.574064][  T322]  <TASK>
[   16.574065][  T322]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.574071][  T322]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.574073][  T322]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.574078][  T322]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.574082][  T322]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.574087][  T322]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   16.574090][  T322]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.574096][  T322]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.574098][  T322]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.574101][  T322]  put_chars (drivers/char/virtio_console.c:1176)
[   16.574103][  T322]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   16.574106][  T322]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.574109][  T322]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.574112][  T322]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.574117][  T322]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.574119][  T322]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.574121][  T322]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.574126][  T322]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.574127][  T322]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   16.574130][  T322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.574133][  T322]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.574137][  T322]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.574141][  T322]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.574143][  T322]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   16.574146][  T322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.574148][  T322]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.574152][  T322]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.574156][  T322]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.574158][  T322]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.574163][  T322]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.574166][  T322]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.574167][  T322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.574170][  T322]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.574173][  T322]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.574175][  T322]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.574178][  T322]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.574182][  T322]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.574188][  T322]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   16.574191][  T322]  _printk (kernel/printk/printk.c:2504)
[   16.574195][  T322]  ? snapshot_read.cold (user.c:?)
[   16.574202][  T322]  ? 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)
[   16.574204][  T322] gact_init_module (net/sched/act_gact.c:180) act_gact
[   16.574208][  T322]  do_one_initcall (init/main.c:1357)
[   16.574210][  T322]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   16.574215][  T322]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   16.574218][  T322]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   16.574223][  T322]  do_init_module (kernel/module/main.c:3117)
[   16.574227][  T322]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   16.574231][  T322]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   16.574234][  T322]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   16.574238][  T322]  load_module (kernel/module/main.c:3593)
[   16.574246][  T322]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   16.574250][  T322]  ? __ia32_sys_fsconfig (??:?)
[   16.574252][  T322]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   16.574256][  T322]  ? backing_file_read_iter (fs/backing-file.c:211)
[   16.574259][  T322]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.574263][  T322]  init_module_from_file (kernel/module/main.c:3790)
[   16.574266][  T322]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   16.574274][  T322]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   16.574278][  T322]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.574281][  T322]  idempotent_init_module (kernel/module/main.c:3802)
[   16.574285][  T322]  ? init_module_from_file (kernel/module/main.c:3791)
[   16.574291][  T322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.574293][  T322]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   16.574299][  T322]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   16.574301][  T322]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.574305][  T322]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.574307][  T322]  ? irq_exit_rcu (kernel/softirq.c:786)
[   16.574309][  T322]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.574312][  T322] RIP: 0033:0x7fb46d3a137d
[   16.574316][  T322] 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
[   16.574318][  T322] RSP: 002b:00007ffd585b49c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   16.574321][  T322] RAX: ffffffffffffffda RBX: 0000557df8cb0810 RCX: 00007fb46d3a137d
[   16.574322][  T322] RDX: 0000000000000000 RSI: 0000557db92b0ffd RDI: 0000000000000000
[   16.574323][  T322] RBP: 00007ffd585b4a60 R08: 0000000000000000 R09: 0000000000000000
[   16.574324][  T322] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557db92b0ffd


Finger prints:
__might_resched:__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars