======================================
| [   30.995955][  T367] ==================================================================
| [   30.996297][  T367] BUG: KASAN: null-ptr-deref in try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
| [   30.996609][  T367] Write of size 8 at addr 0000000000000000 by task ip/367
| [   30.996843][  T367]
[   30.996953][  T367] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.996955][  T367] Call Trace:
[   30.996959][  T367]  <TASK>
[   30.996961][  T367]  dump_stack_lvl (lib/dump_stack.c:123)
[   30.996977][  T367]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   30.996981][  T367]  kasan_report (mm/kasan/report.c:597)
[   30.996992][  T367]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   30.996998][  T367]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[   30.997003][  T367]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   30.997010][  T367]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   30.997017][  T367]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   30.997022][  T367]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[   30.997027][  T367]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   30.997039][  T367]  __cancel_work_sync (kernel/workqueue.c:4383)
[   30.997044][  T367]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   30.997058][  T367]  ? netdev_notify_peers (net/core/dev.c:1891)
[   30.997065][  T367]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   30.997074][  T367]  __dev_change_flags (./include/linux/list.h:119 ./include/linux/list.h:223 ./include/linux/list.h:237 net/core/dev.c:1945 net/core/dev.c:9924)
[   30.997078][  T367]  ? __free_zapped_classes (kernel/locking/lockdep.c:5343)
[   30.997085][  T367]  ? netif_set_allmulti (net/core/dev.c:9890)
[   30.997087][  T367]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   30.997094][  T367]  netif_change_flags (net/core/dev.c:9989)
[   30.997098][  T367]  do_setlink.constprop.0 (net/core/rtnetlink.c:3158)
[   30.997105][  T367]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   30.997111][  T367]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.997120][  T367]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   30.997125][  T367]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.997130][  T367]  ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113)
[   30.997134][  T367]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   30.997137][  T367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   30.997142][  T367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   30.997145][  T367]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   30.997149][  T367]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   30.997157][  T367]  ? __create_object (mm/kmemleak.c:786)
[   30.997162][  T367]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   30.997165][  T367]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   30.997171][  T367]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   30.997176][  T367]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   30.997187][  T367]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   30.997193][  T367]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   30.997198][  T367]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   30.997200][  T367]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.997206][  T367]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.997210][  T367]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   30.997213][  T367]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   30.997217][  T367]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   30.997220][  T367]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   30.997224][  T367]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   30.997227][  T367]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.997234][  T367]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   30.997241][  T367]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   30.997245][  T367]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   30.997251][  T367]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   30.997254][  T367]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333)
[   30.997258][  T367]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   30.997263][  T367]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   30.997268][  T367]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.997277][  T367]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   30.997285][  T367]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   30.997289][  T367]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   30.997300][  T367]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   30.997304][  T367]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   30.997311][  T367]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   30.997314][  T367]  ? __copy_msghdr (net/socket.c:2556)
[   30.997322][  T367]  ___sys_sendmsg (net/socket.c:2686)
[   30.997325][  T367]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   30.997328][  T367]  ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3125)
[   30.997334][  T367]  ? copy_msghdr_from_user (net/socket.c:2673)
[   30.997339][  T367]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.997344][  T367]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.997353][  T367]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.997358][  T367]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   30.997368][  T367]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   30.997375][  T367]  __sys_sendmsg (net/socket.c:2716)
[   30.997378][  T367]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   30.997382][  T367]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   30.997390][  T367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   30.997394][  T367]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.997402][  T367]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   30.997406][  T367] RIP: 0033:0x7faec75651d7
[   30.997410][  T367] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   30.997414][  T367] RSP: 002b:00007ffe50021228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   30.997422][  T367] RAX: ffffffffffffffda RBX: 00007ffe50021950 RCX: 00007faec75651d7
[   30.997424][  T367] RDX: 0000000000000000 RSI: 00007ffe50021290 RDI: 0000000000000005
[   30.997426][  T367] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   30.997428][  T367] R10: 00007faec7461f60 R11: 0000000000000246 R12: 0000000000000003
[   30.997430][  T367] R13: 00000000691ccd6a R14: 0000000000499600 R15: 0000000000000000
| [   31.016254][  T367] #PF: error_code(0x0002) - not-present page
| [   31.016493][  T367] PGD dba0067 P4D dba0067 PUD da53067 PMD 0
| [   31.016829][  T367] Oops: Oops: 0002 [#1] SMP KASAN
| [   31.017382][  T367] Tainted: [B]=BAD_PAGE
[   31.017631][  T367] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.017863][  T367] RIP: 0010:try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   31.018096][  T367] Code: 00 41 89 c0 b8 01 00 00 00 45 85 c0 74 0f 48 83 c4 10 5b 5d 41 5c 41 5d 41 5e 41 5f c3 be 08 00 00 00 48 89 df e8 7f 7f 81 00 <f0> 48 0f ba 2b 00 72 11 48 83 c4 10 31 c0 5b 5d 41 5c 41 5d 41 5e
All code
========
   0:	00 41 89             	add    %al,-0x77(%rcx)
   3:	c0 b8 01 00 00 00 45 	sarb   $0x45,0x1(%rax)
   a:	85 c0                	test   %eax,%eax
   c:	74 0f                	je     0x1d
   e:	48 83 c4 10          	add    $0x10,%rsp
  12:	5b                   	pop    %rbx
  13:	5d                   	pop    %rbp
  14:	41 5c                	pop    %r12
  16:	41 5d                	pop    %r13
  18:	41 5e                	pop    %r14
  1a:	41 5f                	pop    %r15
  1c:	c3                   	ret
  1d:	be 08 00 00 00       	mov    $0x8,%esi
  22:	48 89 df             	mov    %rbx,%rdi
  25:	e8 7f 7f 81 00       	call   0x817fa9
  2a:*	f0 48 0f ba 2b 00    	lock btsq $0x0,(%rbx)		<-- trapping instruction
  30:	72 11                	jb     0x43
  32:	48 83 c4 10          	add    $0x10,%rsp
  36:	31 c0                	xor    %eax,%eax
  38:	5b                   	pop    %rbx
  39:	5d                   	pop    %rbp
  3a:	41 5c                	pop    %r12
  3c:	41 5d                	pop    %r13
  3e:	41 5e                	pop    %r14

Code starting with the faulting instruction
===========================================
   0:	f0 48 0f ba 2b 00    	lock btsq $0x0,(%rbx)
   6:	72 11                	jb     0x19
   8:	48 83 c4 10          	add    $0x10,%rsp
   c:	31 c0                	xor    %eax,%eax
   e:	5b                   	pop    %rbx
   f:	5d                   	pop    %rbp
  10:	41 5c                	pop    %r12
  12:	41 5d                	pop    %r13
  14:	41 5e                	pop    %r14
[   31.018841][  T367] RSP: 0018:ffffc900005b6f40 EFLAGS: 00010046
[   31.019072][  T367] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff95c4090a
[   31.019461][  T367] RDX: fffffbfff33cf2cd RSI: 0000000000000008 RDI: ffffffff99e79660
[   31.019726][  T367] RBP: ffffc900005b6fa8 R08: 0000000000000001 R09: fffffbfff33cf2cc
[   31.019990][  T367] R10: ffffffff99e79667 R11: ffffc900005b6a00 R12: 0000000000000000
[   31.020375][  T367] R13: 0000000000000282 R14: ffff888009d39000 R15: dffffc0000000000
[   31.020650][  T367] FS:  00007faec7397800(0000) GS:ffff88809c4f2000(0000) knlGS:0000000000000000
[   31.021069][  T367] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.021304][  T367] CR2: 0000000000000000 CR3: 00000000054de002 CR4: 0000000000772ef0
[   31.021575][  T367] PKRU: 55555554
[   31.021819][  T367] Call Trace:
[   31.021965][  T367]  <TASK>
[   31.022056][  T367]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   31.022236][  T367]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   31.022446][  T367]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[   31.022625][  T367]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   31.022807][  T367]  __cancel_work_sync (kernel/workqueue.c:4383)
[   31.022988][  T367]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   31.023167][  T367]  ? netdev_notify_peers (net/core/dev.c:1891)
[   31.023489][  T367]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   31.023666][  T367]  __dev_change_flags (./include/linux/list.h:119 ./include/linux/list.h:223 ./include/linux/list.h:237 net/core/dev.c:1945 net/core/dev.c:9924)
[   31.023844][  T367]  ? __free_zapped_classes (kernel/locking/lockdep.c:5343)
[   31.024027][  T367]  ? netif_set_allmulti (net/core/dev.c:9890)
[   31.024324][  T367]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   31.024533][  T367]  netif_change_flags (net/core/dev.c:9989)
[   31.024713][  T367]  do_setlink.constprop.0 (net/core/rtnetlink.c:3158)
[   31.024904][  T367]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   31.025197][  T367]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.025398][  T367]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   31.025579][  T367]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.025764][  T367]  ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113)
[   31.026053][  T367]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   31.026237][  T367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   31.026441][  T367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   31.026622][  T367]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   31.026907][  T367]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   31.027090][  T367]  ? __create_object (mm/kmemleak.c:786)
[   31.027278][  T367]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   31.027469][  T367]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   31.027650][  T367]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   31.027831][  T367]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   31.028018][  T367]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   31.028254][  T367]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   31.028571][  T367]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   31.028769][  T367]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.028989][  T367]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.029202][  T367]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   31.029499][  T367]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   31.029686][  T367]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   31.029865][  T367]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   31.030047][  T367]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   31.030347][  T367]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.030538][  T367]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   31.030710][  T367]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   31.030887][  T367]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   31.031187][  T367]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   31.031386][  T367]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333)
[   31.031567][  T367]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   31.031743][  T367]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   31.032034][  T367]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.032224][  T367]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   31.032429][  T367]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   31.032614][  T367]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   31.032903][  T367]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   31.033095][  T367]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   31.033286][  T367]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   31.033523][  T367]  ? __copy_msghdr (net/socket.c:2556)
[   31.033701][  T367]  ___sys_sendmsg (net/socket.c:2686)
[   31.033884][  T367]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   31.034067][  T367]  ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3125)
[   31.034307][  T367]  ? copy_msghdr_from_user (net/socket.c:2673)
[   31.034612][  T367]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.034794][  T367]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.034978][  T367]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.035155][  T367]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   31.035470][  T367]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   31.035652][  T367]  __sys_sendmsg (net/socket.c:2716)
[   31.035834][  T367]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   31.036162][  T367]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   31.036374][  T367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   31.036560][  T367]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   31.036745][  T367]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   31.037083][  T367] RIP: 0033:0x7faec75651d7
[   31.037280][  T367] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   31.038051][  T367] RSP: 002b:00007ffe50021228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.038328][  T367] RAX: ffffffffffffffda RBX: 00007ffe50021950 RCX: 00007faec75651d7
[   31.038604][  T367] RDX: 0000000000000000 RSI: 00007ffe50021290 RDI: 0000000000000005
[   31.039033][  T367] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   31.039335][  T367] R10: 00007faec7461f60 R11: 0000000000000246 R12: 0000000000000003


Finger prints:
try_to_grab_pending:__cancel_work:__cancel_work_sync:__dev_close_many:__dev_change_flags
kasan_report:kasan_check_range:try_to_grab_pending:__cancel_work:__cancel_work_sync