======================================
| [   10.588603][  T252] softirqs last disabled at (30817): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.588605][  T252] Preemption disabled at:
| [   10.588606][  T252] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.588615][  T252] Tainted: [W]=WARN
[   10.588616][  T252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.588617][  T252] Call Trace:
[   10.588619][  T252]  <TASK>
[   10.588620][  T252]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.588626][  T252]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.588628][  T252]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.588633][  T252]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.588637][  T252]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.588642][  T252]  __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))
[   10.588644][  T252]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.588650][  T252]  ? 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)
[   10.588653][  T252]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.588656][  T252]  put_chars (drivers/char/virtio_console.c:1176)
[   10.588658][  T252]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   10.588660][  T252]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.588662][  T252]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.588666][  T252]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.588670][  T252]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.588672][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.588674][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.588678][  T252]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.588680][  T252]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   10.588683][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.588686][  T252]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.588689][  T252]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.588693][  T252]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.588695][  T252]  ? 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))
[   10.588698][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.588700][  T252]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.588704][  T252]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.588708][  T252]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.588710][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.588715][  T252]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.588717][  T252]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.588719][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.588721][  T252]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.588725][  T252]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.588726][  T252]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.588730][  T252]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.588733][  T252]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.588739][  T252]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   10.588741][  T252]  _printk (kernel/printk/printk.c:2504)
[   10.588745][  T252]  ? snapshot_read.cold (user.c:?)
[   10.588751][  T252]  ? 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)
[   10.588754][  T252] gre_init (gre.mod.c:?) gre
[   10.588756][  T252]  do_one_initcall (init/main.c:1357)
[   10.588759][  T252]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.588763][  T252]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.588766][  T252]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.588771][  T252]  do_init_module (kernel/module/main.c:3117)
[   10.588774][  T252]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.588778][  T252]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.588781][  T252]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.588785][  T252]  load_module (kernel/module/main.c:3593)
[   10.588792][  T252]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.588797][  T252]  ? backing_file_read_iter (fs/backing-file.c:211)
[   10.588801][  T252]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.588804][  T252]  init_module_from_file (kernel/module/main.c:3790)
[   10.588807][  T252]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.588815][  T252]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.588819][  T252]  ? 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)
[   10.588822][  T252]  idempotent_init_module (kernel/module/main.c:3802)
[   10.588825][  T252]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.588831][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.588833][  T252]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.588839][  T252]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.588841][  T252]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.588845][  T252]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.588847][  T252]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.588849][  T252]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.588851][  T252] RIP: 0033:0x7f9041def37d
[   10.588855][  T252] 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
[   10.588856][  T252] RSP: 002b:00007ffd868fc038 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.588859][  T252] RAX: ffffffffffffffda RBX: 00005645a84a1d30 RCX: 00007f9041def37d
[   10.588860][  T252] RDX: 0000000000000000 RSI: 000056459d102ffd RDI: 0000000000000000
[   10.588861][  T252] RBP: 00007ffd868fc0d0 R08: 0000000000000000 R09: 0000000000000000
[   10.588862][  T252] R10: 0000000000000000 R11: 0000000000000246 R12: 000056459d102ffd
[   10.588863][  T252] R13: 00005645a84a1cf0 R14: 0000000000040000 R15: 0000000000000000
| [   10.708106][   T70]  #10: ffffffffb7689560 (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))
| [   10.708110][   T70]
| [   10.708110][   T70] stack backtrace:
| [   10.708116][   T70] Tainted: [W]=WARN
[   10.708117][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.708124][   T70] Workqueue: ipv6_addrconf addrconf_dad_work
[   10.708127][   T70] Call Trace:
[   10.708129][   T70]  <TASK>
[   10.708131][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.708137][   T70]  lockdep_rcu_suspicious.cold (kernel/locking/lockdep.c:6938)
[   10.708142][   T70]  __might_resched (kernel/sched/core.c:9196 (discriminator 9))
[   10.708147][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.708150][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.708155][   T70]  __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))
[   10.708157][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.708163][   T70]  ? 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)
[   10.708166][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.708169][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[   10.708171][   T70]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   10.708173][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.708177][   T70]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   10.708181][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.708188][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.708190][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.708194][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.708198][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.708202][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.708204][   T70]  ? 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))
[   10.708207][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.708209][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.708213][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.708217][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.708219][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.708224][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.708227][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.708229][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.708231][   T70]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.708235][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.708237][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.708240][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.708244][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.708247][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.708251][   T70]  _printk (kernel/printk/printk.c:2504)
[   10.708254][   T70]  ? snapshot_read.cold (user.c:?)
[   10.708256][   T70]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   10.708262][   T70]  ? idr_get_free (??:?)
[   10.708267][   T70] ip6_tnl_xmit_ctl.cold (net/ipv6/ip6_tunnel.c:1064 (discriminator 3)) ip6_tunnel
[   10.708271][   T70] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:888) ip6_gre
[   10.708276][   T70]  ? __gre6_xmit (./include/linux/skbuff.h:2904) ip6_gre
[   10.708279][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.708281][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.708284][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.708287][   T70]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.708289][   T70]  ? netif_skb_features (net/core/dev.c:3793 net/core/dev.c:3922)
[   10.708296][   T70]  dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953)
[   10.708299][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.708303][   T70]  __dev_queue_xmit (net/core/dev.c:4926)
[   10.708306][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.708308][   T70]  ? ip6_ra_control (net/ipv6/ipv6_sockglue.c:73 (discriminator 1))
[   10.708313][   T70]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[   10.708315][   T70]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.708318][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.708319][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.708321][   T70]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.708324][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.708327][   T70]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   10.708329][   T70]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   10.708331][   T70]  ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721)
[   10.708338][   T70]  ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3))
[   10.708342][   T70]  ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269)
[   10.708344][   T70]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.708347][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.708350][   T70]  ? 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))
[   10.708354][   T70]  ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221)
[   10.708358][   T70]  ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248)
[   10.708361][   T70]  ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1))
[   10.708363][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.708365][   T70]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.708367][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.708369][   T70]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   10.708373][   T70]  ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4))
[   10.708378][   T70]  ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7))
[   10.708384][   T70]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   10.708390][   T70]  addrconf_dad_completed (net/ipv6/addrconf.c:4396)
[   10.708393][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.708395][   T70]  ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11))
[   10.708398][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.708399][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.708402][   T70]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.708405][   T70]  ? addrconf_dad_begin (net/ipv6/addrconf.c:4158)
[   10.708407][   T70]  addrconf_dad_begin (net/ipv6/addrconf.c:4158)
[   10.708409][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.708412][   T70]  ? addrconf_dad_completed (net/ipv6/addrconf.c:4402)
[   10.708414][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.708416][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.708418][   T70]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.708422][   T70]  addrconf_dad_work (net/ipv6/addrconf.c:4263)
[   10.708426][   T70]  ? addrconf_dad_begin (net/ipv6/addrconf.c:4180)
[   10.708430][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.708431][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.708433][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.708435][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.708439][   T70]  process_one_work (kernel/workqueue.c:3387)
[   10.708446][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   10.708449][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.708456][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   10.708460][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   10.708462][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   10.708465][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   10.708468][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   10.708470][   T70]  kthread (kernel/kthread.c:436)
[   10.708472][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.708475][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   10.708477][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.708481][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   10.708484][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.708488][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   10.708490][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.179697][  T313] softirqs last disabled at (22779): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.179699][  T313] Preemption disabled at:
| [   12.179699][  T313] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.179709][  T313] Tainted: [W]=WARN
[   12.179710][  T313] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.179711][  T313] Call Trace:
[   12.179713][  T313]  <TASK>
[   12.179714][  T313]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.179720][  T313]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.179722][  T313]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.179727][  T313]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.179731][  T313]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.179736][  T313]  __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))
[   12.179738][  T313]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.179744][  T313]  ? 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)
[   12.179746][  T313]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.179749][  T313]  put_chars (drivers/char/virtio_console.c:1176)
[   12.179751][  T313]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   12.179753][  T313]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.179756][  T313]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.179760][  T313]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.179764][  T313]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.179766][  T313]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.179768][  T313]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.179772][  T313]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.179773][  T313]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.179776][  T313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.179779][  T313]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.179783][  T313]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.179787][  T313]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.179789][  T313]  ? 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))
[   12.179792][  T313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.179794][  T313]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.179798][  T313]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.179802][  T313]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.179804][  T313]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.179809][  T313]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.179811][  T313]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.179813][  T313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.179815][  T313]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.179819][  T313]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.179821][  T313]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.179824][  T313]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.179828][  T313]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.179833][  T313]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   12.179836][  T313]  _printk (kernel/printk/printk.c:2504)
[   12.179839][  T313]  ? snapshot_read.cold (user.c:?)
[   12.179845][  T313]  ? 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)
[   12.179848][  T313] gact_init_module (net/sched/act_gact.c:180) act_gact
[   12.179851][  T313]  do_one_initcall (init/main.c:1357)
[   12.179853][  T313]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   12.179858][  T313]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   12.179861][  T313]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   12.179865][  T313]  do_init_module (kernel/module/main.c:3117)
[   12.179869][  T313]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.179873][  T313]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   12.179876][  T313]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   12.179880][  T313]  load_module (kernel/module/main.c:3593)
[   12.179887][  T313]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   12.179891][  T313]  ? __ia32_sys_fsconfig (??:?)
[   12.179893][  T313]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   12.179898][  T313]  ? backing_file_read_iter (fs/backing-file.c:211)
[   12.179901][  T313]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.179904][  T313]  init_module_from_file (kernel/module/main.c:3790)
[   12.179907][  T313]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   12.179915][  T313]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.179919][  T313]  ? 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)
[   12.179922][  T313]  idempotent_init_module (kernel/module/main.c:3802)
[   12.179925][  T313]  ? init_module_from_file (kernel/module/main.c:3791)
[   12.179931][  T313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.179933][  T313]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   12.179939][  T313]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   12.179941][  T313]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.179945][  T313]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.179947][  T313]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.179949][  T313]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.179951][  T313] RIP: 0033:0x7fb2bed5f37d
[   12.179954][  T313] 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
[   12.179956][  T313] RSP: 002b:00007ffee7f94d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   12.179959][  T313] RAX: ffffffffffffffda RBX: 00005645c74c7810 RCX: 00007fb2bed5f37d
[   12.179960][  T313] RDX: 0000000000000000 RSI: 00005645b34faffd RDI: 0000000000000000
[   12.179961][  T313] RBP: 00007ffee7f94de0 R08: 0000000000000000 R09: 0000000000000000
[   12.179962][  T313] R10: 0000000000000000 R11: 0000000000000246 R12: 00005645b34faffd


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