======================================
| [   12.003704][  T265] softirqs last disabled at (18989): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.003707][  T265] Preemption disabled at:
| [   12.003707][  T265] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.003716][  T265] Tainted: [W]=WARN
[   12.003717][  T265] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.003719][  T265] Call Trace:
[   12.003720][  T265]  <TASK>
[   12.003722][  T265]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.003727][  T265]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.003729][  T265]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.003734][  T265]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.003738][  T265]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.003743][  T265]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.003745][  T265]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.003751][  T265]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.003753][  T265]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.003757][  T265]  put_chars (drivers/char/virtio_console.c:1176)
[   12.003758][  T265]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   12.003760][  T265]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.003763][  T265]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.003767][  T265]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.003771][  T265]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.003774][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.003775][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.003780][  T265]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.003781][  T265]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.003784][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.003787][  T265]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.003791][  T265]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.003795][  T265]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.003797][  T265]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.003800][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.003802][  T265]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.003806][  T265]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.003810][  T265]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.003812][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.003817][  T265]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.003819][  T265]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.003821][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.003823][  T265]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.003827][  T265]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.003829][  T265]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.003832][  T265]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.003836][  T265]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.003842][  T265]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   12.003844][  T265]  _printk (kernel/printk/printk.c:2504)
[   12.003848][  T265]  ? snapshot_read.cold (user.c:?)
[   12.003854][  T265]  ? 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)
[   12.003857][  T265] gre_init (gre.mod.c:?) gre
[   12.003859][  T265]  do_one_initcall (init/main.c:1357)
[   12.003862][  T265]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   12.003867][  T265]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   12.003869][  T265]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   12.003874][  T265]  do_init_module (kernel/module/main.c:3117)
[   12.003878][  T265]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.003882][  T265]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   12.003885][  T265]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   12.003889][  T265]  load_module (kernel/module/main.c:3593)
[   12.003897][  T265]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   12.003901][  T265]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.003904][  T265]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.003907][  T265]  init_module_from_file (kernel/module/main.c:3790)
[   12.003911][  T265]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   12.003919][  T265]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.003922][  T265]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.003925][  T265]  idempotent_init_module (kernel/module/main.c:3802)
[   12.003928][  T265]  ? init_module_from_file (kernel/module/main.c:3791)
[   12.003935][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.003937][  T265]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   12.003943][  T265]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   12.003945][  T265]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.003949][  T265]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.003951][  T265]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.003953][  T265]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.003956][  T265] RIP: 0033:0x7ff1f72da37d
[   12.003959][  T265] 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
[   12.003961][  T265] RSP: 002b:00007ffeb40735f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   12.003964][  T265] RAX: ffffffffffffffda RBX: 000056262d096d30 RCX: 00007ff1f72da37d
[   12.003965][  T265] RDX: 0000000000000000 RSI: 000056261bbafffd RDI: 0000000000000000
[   12.003966][  T265] RBP: 00007ffeb4073690 R08: 0000000000000000 R09: 0000000000000000
[   12.003967][  T265] R10: 0000000000000000 R11: 0000000000000246 R12: 000056261bbafffd
[   12.003968][  T265] R13: 000056262d096cf0 R14: 0000000000040000 R15: 0000000000000000
| [   12.125628][   T12]  #10: ffffffff9a089560 (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))
| [   12.125632][   T12]
| [   12.125632][   T12] stack backtrace:
| [   12.125638][   T12] Tainted: [W]=WARN
[   12.125639][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.125640][   T12] Workqueue: ipv6_addrconf addrconf_dad_work
[   12.125644][   T12] Call Trace:
[   12.125646][   T12]  <TASK>
[   12.125647][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.125654][   T12]  lockdep_rcu_suspicious.cold (kernel/locking/lockdep.c:6938)
[   12.125660][   T12]  __might_resched (kernel/sched/core.c:9196 (discriminator 9))
[   12.125664][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.125668][   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)
[   12.125673][   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))
[   12.125676][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.125682][   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)
[   12.125685][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.125688][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   12.125691][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.125694][   T12]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.125700][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.125707][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.125710][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.125714][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.125718][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.125722][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.125724][   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))
[   12.125727][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.125730][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.125734][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.125739][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.125741][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.125747][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.125750][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.125752][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.125754][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.125758][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.125760][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.125764][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.125768][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.125771][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.125776][   T12]  _printk (kernel/printk/printk.c:2504)
[   12.125779][   T12]  ? snapshot_read.cold (user.c:?)
[   12.125781][   T12]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   12.125787][   T12]  ? idr_get_free (??:?)
[   12.125792][   T12] ip6_tnl_xmit_ctl.cold (net/ipv6/ip6_tunnel.c:1064 (discriminator 3)) ip6_tunnel
[   12.125797][   T12] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:889) ip6_gre
[   12.125802][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.125805][   T12]  ? __gre6_xmit (./include/linux/skbuff.h:2904) ip6_gre
[   12.125807][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.125810][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.125813][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.125816][   T12]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.125818][   T12]  ? netif_skb_features (net/core/dev.c:3793 net/core/dev.c:3922)
[   12.125825][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.125828][   T12]  dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953)
[   12.125831][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.125835][   T12]  __dev_queue_xmit (net/core/dev.c:4926)
[   12.125839][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.125841][   T12]  ? ip6_ra_control (net/ipv6/ipv6_sockglue.c:78)
[   12.125847][   T12]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[   12.125848][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.125852][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.125853][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.125856][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.125859][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.125861][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   12.125864][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   12.125866][   T12]  ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721)
[   12.125873][   T12]  ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3))
[   12.125878][   T12]  ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269)
[   12.125880][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.125883][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.125886][   T12]  ? 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))
[   12.125890][   T12]  ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221)
[   12.125894][   T12]  ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248)
[   12.125899][   T12]  ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1))
[   12.125902][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.125904][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.125907][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.125909][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   12.125914][   T12]  ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4))
[   12.125920][   T12]  ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7))
[   12.125927][   T12]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   12.125933][   T12]  addrconf_dad_completed (net/ipv6/addrconf.c:4396)
[   12.125936][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.125939][   T12]  ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11))
[   12.125941][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.125943][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.125945][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.125949][   T12]  ? addrconf_dad_begin (net/ipv6/addrconf.c:4158)
[   12.125951][   T12]  addrconf_dad_begin (net/ipv6/addrconf.c:4158)
[   12.125953][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.125957][   T12]  ? addrconf_dad_completed (net/ipv6/addrconf.c:4402)
[   12.125959][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.125960][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.125963][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.125967][   T12]  addrconf_dad_work (net/ipv6/addrconf.c:4263)
[   12.125972][   T12]  ? addrconf_dad_begin (net/ipv6/addrconf.c:4180)
[   12.125976][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.125979][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.125982][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.125984][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.125991][   T12]  process_one_work (kernel/workqueue.c:3387)
[   12.126001][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   12.126006][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.126018][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   12.126027][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   12.126029][   T12]  kthread (kernel/kthread.c:436)
[   12.126032][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.126040][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   12.126044][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.126049][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   12.126053][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.126056][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   12.126060][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.653907][  T326] softirqs last disabled at (20707): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   13.653909][  T326] Preemption disabled at:
| [   13.653910][  T326] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.653919][  T326] Tainted: [W]=WARN
[   13.653920][  T326] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.653921][  T326] Call Trace:
[   13.653923][  T326]  <TASK>
[   13.653924][  T326]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.653930][  T326]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.653932][  T326]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.653936][  T326]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.653940][  T326]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.653945][  T326]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.653947][  T326]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.653953][  T326]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.653956][  T326]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.653959][  T326]  put_chars (drivers/char/virtio_console.c:1176)
[   13.653961][  T326]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   13.653963][  T326]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.653966][  T326]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.653969][  T326]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.653973][  T326]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.653976][  T326]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.653977][  T326]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.653982][  T326]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.653983][  T326]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.653986][  T326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.653989][  T326]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.653993][  T326]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.653997][  T326]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.653999][  T326]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   13.654002][  T326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.654004][  T326]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.654008][  T326]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.654012][  T326]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.654014][  T326]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.654019][  T326]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.654021][  T326]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.654023][  T326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.654026][  T326]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.654029][  T326]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.654031][  T326]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.654034][  T326]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.654038][  T326]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.654044][  T326]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   13.654053][  T326]  _printk (kernel/printk/printk.c:2504)
[   13.654057][  T326]  ? snapshot_read.cold (user.c:?)
[   13.654063][  T326]  ? 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)
[   13.654066][  T326] gact_init_module (net/sched/act_gact.c:180) act_gact
[   13.654068][  T326]  do_one_initcall (init/main.c:1357)
[   13.654071][  T326]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   13.654075][  T326]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   13.654078][  T326]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   13.654083][  T326]  do_init_module (kernel/module/main.c:3117)
[   13.654086][  T326]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.654090][  T326]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   13.654094][  T326]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   13.654097][  T326]  load_module (kernel/module/main.c:3593)
[   13.654104][  T326]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   13.654108][  T326]  ? __ia32_sys_fsconfig (??:?)
[   13.654111][  T326]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.654114][  T326]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.654118][  T326]  init_module_from_file (kernel/module/main.c:3790)
[   13.654121][  T326]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   13.654128][  T326]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.654132][  T326]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.654135][  T326]  idempotent_init_module (kernel/module/main.c:3802)
[   13.654138][  T326]  ? init_module_from_file (kernel/module/main.c:3791)
[   13.654144][  T326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.654146][  T326]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   13.654152][  T326]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   13.654154][  T326]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.654157][  T326]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.654159][  T326]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.654162][  T326]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.654164][  T326] RIP: 0033:0x7fcd46c5837d
[   13.654167][  T326] 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
[   13.654169][  T326] RSP: 002b:00007fff827247e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   13.654172][  T326] RAX: ffffffffffffffda RBX: 0000564426b6a810 RCX: 00007fcd46c5837d
[   13.654173][  T326] RDX: 0000000000000000 RSI: 0000564420d05ffd RDI: 0000000000000000
[   13.654174][  T326] RBP: 00007fff82724880 R08: 0000000000000000 R09: 0000000000000000
[   13.654175][  T326] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564420d05ffd


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