======================================
| [   92.824048][  T619] ==================================================================
| [   92.824407][  T619] 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)
| [   92.824733][  T619] Write of size 8 at addr 0000000000000000 by task ip/619
| [   92.824960][  T619]
[   92.825070][  T619] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   92.825075][  T619] Call Trace:
[   92.825081][  T619]  <TASK>
[   92.825084][  T619]  dump_stack_lvl (lib/dump_stack.c:123)
[   92.825109][  T619]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   92.825113][  T619]  kasan_report (mm/kasan/report.c:597)
[   92.825126][  T619]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   92.825135][  T619]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[   92.825140][  T619]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   92.825145][  T619]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   92.825148][  T619]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   92.825152][  T619]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[   92.825155][  T619]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   92.825162][  T619]  __cancel_work_sync (kernel/workqueue.c:4383)
[   92.825166][  T619]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   92.825180][  T619]  ? netdev_notify_peers (net/core/dev.c:1891)
[   92.825185][  T619]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   92.825191][  T619]  __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)
[   92.825195][  T619]  ? __free_zapped_classes (kernel/locking/lockdep.c:5343)
[   92.825203][  T619]  ? netif_set_allmulti (net/core/dev.c:9890)
[   92.825206][  T619]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   92.825212][  T619]  netif_change_flags (net/core/dev.c:9989)
[   92.825216][  T619]  do_setlink.constprop.0 (net/core/rtnetlink.c:3158)
[   92.825223][  T619]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   92.825231][  T619]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   92.825241][  T619]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   92.825247][  T619]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   92.825252][  T619]  ? __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)
[   92.825256][  T619]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   92.825260][  T619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   92.825268][  T619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   92.825271][  T619]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   92.825275][  T619]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   92.825292][  T619]  ? __create_object (mm/kmemleak.c:786)
[   92.825298][  T619]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   92.825301][  T619]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   92.825304][  T619]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   92.825308][  T619]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   92.825320][  T619]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   92.825326][  T619]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   92.825331][  T619]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   92.825334][  T619]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   92.825340][  T619]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   92.825344][  T619]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   92.825346][  T619]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   92.825351][  T619]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   92.825354][  T619]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   92.825358][  T619]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   92.825361][  T619]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   92.825368][  T619]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   92.825378][  T619]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   92.825382][  T619]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   92.825388][  T619]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   92.825391][  T619]  ? 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)
[   92.825395][  T619]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   92.825400][  T619]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   92.825403][  T619]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   92.825409][  T619]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   92.825414][  T619]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   92.825418][  T619]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   92.825428][  T619]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   92.825431][  T619]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   92.825441][  T619]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   92.825444][  T619]  ? __copy_msghdr (net/socket.c:2556)
[   92.825452][  T619]  ___sys_sendmsg (net/socket.c:2686)
[   92.825455][  T619]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   92.825458][  T619]  ? __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)
[   92.825465][  T619]  ? copy_msghdr_from_user (net/socket.c:2673)
[   92.825470][  T619]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   92.825475][  T619]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   92.825480][  T619]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   92.825484][  T619]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   92.825494][  T619]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   92.825501][  T619]  __sys_sendmsg (net/socket.c:2716)
[   92.825504][  T619]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   92.825508][  T619]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   92.825515][  T619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   92.825519][  T619]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   92.825527][  T619]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   92.825536][  T619] RIP: 0033:0x7fe9e015f1d7
[   92.825543][  T619] 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)
[   92.825548][  T619] RSP: 002b:00007ffc4320c338 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   92.825554][  T619] RAX: ffffffffffffffda RBX: 00007ffc4320ca60 RCX: 00007fe9e015f1d7
[   92.825556][  T619] RDX: 0000000000000000 RSI: 00007ffc4320c3a0 RDI: 0000000000000005
[   92.825558][  T619] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   92.825561][  T619] R10: 00007fe9e005bf60 R11: 0000000000000246 R12: 0000000000000003
[   92.825562][  T619] R13: 00000000691cc319 R14: 0000000000499600 R15: 0000000000000000
| [   92.845765][  T619] #PF: error_code(0x0002) - not-present page
| [   92.846094][  T619] PGD df49067 P4D df49067 PUD df48067 PMD 0
| [   92.846343][  T619] Oops: Oops: 0002 [#1] SMP KASAN
| [   92.846996][  T619] Tainted: [B]=BAD_PAGE
[   92.847145][  T619] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   92.847362][  T619] 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)
[   92.847713][  T619] 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
[   92.848342][  T619] RSP: 0018:ffffc90001076f40 EFLAGS: 00010046
[   92.848675][  T619] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffa704090a
[   92.848947][  T619] RDX: fffffbfff564f2cd RSI: 0000000000000008 RDI: ffffffffab279660
[   92.849332][  T619] RBP: ffffc90001076fa8 R08: 0000000000000001 R09: fffffbfff564f2cc
[   92.849598][  T619] R10: ffffffffab279667 R11: ffffc90001076a00 R12: 0000000000000000
[   92.849868][  T619] R13: 0000000000000282 R14: ffff88800b9c4000 R15: dffffc0000000000
[   92.850260][  T619] FS:  00007fe9dff91800(0000) GS:ffff88808b0f2000(0000) knlGS:0000000000000000
[   92.850565][  T619] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   92.850788][  T619] CR2: 0000000000000000 CR3: 000000000ba78006 CR4: 0000000000772ef0
[   92.851172][  T619] PKRU: 55555554
[   92.851303][  T619] Call Trace:
[   92.851436][  T619]  <TASK>
[   92.851529][  T619]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   92.851826][  T619]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   92.852008][  T619]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[   92.852193][  T619]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   92.852364][  T619]  __cancel_work_sync (kernel/workqueue.c:4383)
[   92.852638][  T619]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   92.852817][  T619]  ? netdev_notify_peers (net/core/dev.c:1891)
[   92.852992][  T619]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   92.853186][  T619]  __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)
[   92.853461][  T619]  ? __free_zapped_classes (kernel/locking/lockdep.c:5343)
[   92.853634][  T619]  ? netif_set_allmulti (net/core/dev.c:9890)
[   92.853805][  T619]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   92.853977][  T619]  netif_change_flags (net/core/dev.c:9989)
[   92.854287][  T619]  do_setlink.constprop.0 (net/core/rtnetlink.c:3158)
[   92.854459][  T619]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   92.854640][  T619]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   92.854815][  T619]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   92.855097][  T619]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   92.855285][  T619]  ? __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)
[   92.855455][  T619]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   92.855623][  T619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   92.855901][  T619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   92.856078][  T619]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   92.856268][  T619]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   92.856438][  T619]  ? __create_object (mm/kmemleak.c:786)
[   92.856723][  T619]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   92.856905][  T619]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   92.857071][  T619]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   92.857253][  T619]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   92.857527][  T619]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   92.857706][  T619]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   92.857884][  T619]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   92.858052][  T619]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   92.858342][  T619]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   92.858510][  T619]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   92.858680][  T619]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   92.858858][  T619]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   92.859143][  T619]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   92.859322][  T619]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   92.859488][  T619]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   92.859662][  T619]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   92.859939][  T619]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   92.860116][  T619]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   92.860297][  T619]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   92.860465][  T619]  ? 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)
[   92.860635][  T619]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   92.860812][  T619]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   92.860983][  T619]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   92.861170][  T619]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   92.861444][  T619]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   92.861614][  T619]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   92.861785][  T619]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   92.861954][  T619]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   92.862241][  T619]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   92.862454][  T619]  ? __copy_msghdr (net/socket.c:2556)
[   92.862627][  T619]  ___sys_sendmsg (net/socket.c:2686)
[   92.862798][  T619]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   92.863073][  T619]  ? __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)
[   92.863302][  T619]  ? copy_msghdr_from_user (net/socket.c:2673)
[   92.863472][  T619]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   92.863645][  T619]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   92.863925][  T619]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   92.864094][  T619]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   92.864279][  T619]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   92.864451][  T619]  __sys_sendmsg (net/socket.c:2716)
[   92.864724][  T619]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   92.864940][  T619]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   92.865118][  T619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   92.865307][  T619]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   92.865591][  T619]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   92.865806][  T619] RIP: 0033:0x7fe9e015f1d7
[   92.865998][  T619] 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)
[   92.866760][  T619] RSP: 002b:00007ffc4320c338 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   92.867161][  T619] RAX: ffffffffffffffda RBX: 00007ffc4320ca60 RCX: 00007fe9e015f1d7
[   92.867425][  T619] RDX: 0000000000000000 RSI: 00007ffc4320c3a0 RDI: 0000000000000005
[   92.867690][  T619] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   92.868064][  T619] R10: 00007fe9e005bf60 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