======================================
| [   24.330921][  T325] ==================================================================
| [   24.331248][  T325] 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)
| [   24.331550][  T325] Write of size 8 at addr 0000000000000000 by task ip/325
| [   24.331793][  T325]
[   24.331903][  T325] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.331906][  T325] Call Trace:
[   24.331908][  T325]  <TASK>
[   24.331910][  T325]  dump_stack_lvl (lib/dump_stack.c:123)
[   24.331920][  T325]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   24.331923][  T325]  kasan_report (mm/kasan/report.c:597)
[   24.331933][  T325]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   24.331938][  T325]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[   24.331941][  T325]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   24.331947][  T325]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   24.331950][  T325]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   24.331954][  T325]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[   24.331957][  T325]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   24.331965][  T325]  __cancel_work_sync (kernel/workqueue.c:4383)
[   24.331969][  T325]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   24.331980][  T325]  ? netdev_notify_peers (net/core/dev.c:1891)
[   24.331985][  T325]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   24.331991][  T325]  __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)
[   24.331994][  T325]  ? __free_zapped_classes (kernel/locking/lockdep.c:5343)
[   24.332001][  T325]  ? netif_set_allmulti (net/core/dev.c:9890)
[   24.332004][  T325]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   24.332010][  T325]  netif_change_flags (net/core/dev.c:9989)
[   24.332014][  T325]  do_setlink.constprop.0 (net/core/rtnetlink.c:3158)
[   24.332020][  T325]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   24.332026][  T325]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.332035][  T325]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   24.332040][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.332045][  T325]  ? __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)
[   24.332049][  T325]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   24.332052][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   24.332057][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   24.332060][  T325]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   24.332064][  T325]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   24.332073][  T325]  ? __create_object (mm/kmemleak.c:786)
[   24.332078][  T325]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   24.332083][  T325]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   24.332089][  T325]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   24.332094][  T325]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   24.332108][  T325]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   24.332113][  T325]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   24.332119][  T325]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   24.332121][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.332127][  T325]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.332131][  T325]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   24.332133][  T325]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   24.332138][  T325]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   24.332141][  T325]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   24.332145][  T325]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   24.332147][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.332154][  T325]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   24.332162][  T325]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   24.332166][  T325]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   24.332172][  T325]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   24.332175][  T325]  ? 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)
[   24.332179][  T325]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   24.332183][  T325]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   24.332187][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.332193][  T325]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   24.332197][  T325]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   24.332201][  T325]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   24.332209][  T325]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   24.332213][  T325]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   24.332222][  T325]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   24.332225][  T325]  ? __copy_msghdr (net/socket.c:2556)
[   24.332233][  T325]  ___sys_sendmsg (net/socket.c:2686)
[   24.332236][  T325]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   24.332238][  T325]  ? __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)
[   24.332245][  T325]  ? copy_msghdr_from_user (net/socket.c:2673)
[   24.332250][  T325]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.332255][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.332261][  T325]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.332264][  T325]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   24.332272][  T325]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   24.332279][  T325]  __sys_sendmsg (net/socket.c:2716)
[   24.332282][  T325]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   24.332286][  T325]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   24.332293][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   24.332297][  T325]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.332305][  T325]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   24.332310][  T325] RIP: 0033:0x7fdd01d211d7
[   24.332314][  T325] 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)
[   24.332317][  T325] RSP: 002b:00007ffda1f731c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.332324][  T325] RAX: ffffffffffffffda RBX: 00007ffda1f738f0 RCX: 00007fdd01d211d7
[   24.332326][  T325] RDX: 0000000000000000 RSI: 00007ffda1f73230 RDI: 0000000000000005
[   24.332328][  T325] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   24.332330][  T325] R10: 00007fdd01c1df60 R11: 0000000000000246 R12: 0000000000000003
[   24.332331][  T325] R13: 00000000691ccdae R14: 0000000000499600 R15: 0000000000000000
| [   24.350582][  T325] #PF: error_code(0x0002) - not-present page
| [   24.350822][  T325] PGD 115f1067 P4D 115f1067 PUD 11992067 PMD 0
| [   24.351048][  T325] Oops: Oops: 0002 [#1] SMP KASAN
| [   24.351598][  T325] Tainted: [B]=BAD_PAGE
[   24.351733][  T325] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.351956][  T325] 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)
[   24.352190][  T325] 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
[   24.352825][  T325] RSP: 0018:ffffc900007f6f40 EFLAGS: 00010046
[   24.353051][  T325] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffaec4090a
[   24.353319][  T325] RDX: fffffbfff65cf2cd RSI: 0000000000000008 RDI: ffffffffb2e79660
[   24.353585][  T325] RBP: ffffc900007f6fa8 R08: 0000000000000001 R09: fffffbfff65cf2cc
[   24.353858][  T325] R10: ffffffffb2e79667 R11: ffffc900007f6a00 R12: 0000000000000000
[   24.354238][  T325] R13: 0000000000000282 R14: ffff88800e184000 R15: dffffc0000000000
[   24.354504][  T325] FS:  00007fdd01b53800(0000) GS:ffff888083472000(0000) knlGS:0000000000000000
[   24.354811][  T325] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.355146][  T325] CR2: 0000000000000000 CR3: 0000000011c2d002 CR4: 0000000000772ef0
[   24.355413][  T325] PKRU: 55555554
[   24.355547][  T325] Call Trace:
[   24.355787][  T325]  <TASK>
[   24.355882][  T325]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   24.356062][  T325]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   24.356248][  T325]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[   24.356428][  T325]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   24.356610][  T325]  __cancel_work_sync (kernel/workqueue.c:4383)
[   24.356788][  T325]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   24.356969][  T325]  ? netdev_notify_peers (net/core/dev.c:1891)
[   24.357147][  T325]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   24.357432][  T325]  __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)
[   24.357608][  T325]  ? __free_zapped_classes (kernel/locking/lockdep.c:5343)
[   24.357793][  T325]  ? netif_set_allmulti (net/core/dev.c:9890)
[   24.357968][  T325]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   24.358258][  T325]  netif_change_flags (net/core/dev.c:9989)
[   24.358435][  T325]  do_setlink.constprop.0 (net/core/rtnetlink.c:3158)
[   24.358614][  T325]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   24.358792][  T325]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.359074][  T325]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   24.359262][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.359443][  T325]  ? __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)
[   24.359622][  T325]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   24.359903][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   24.360082][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   24.360262][  T325]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   24.360440][  T325]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   24.360619][  T325]  ? __create_object (mm/kmemleak.c:786)
[   24.360814][  T325]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   24.360991][  T325]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   24.361176][  T325]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   24.361458][  T325]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   24.361639][  T325]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   24.361819][  T325]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   24.361998][  T325]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   24.362282][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.362467][  T325]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.362644][  T325]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   24.362822][  T325]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   24.363105][  T325]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   24.363281][  T325]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   24.363457][  T325]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   24.363633][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.363917][  T325]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   24.364102][  T325]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   24.364280][  T325]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   24.364462][  T325]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   24.364639][  T325]  ? 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)
[   24.364816][  T325]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   24.364993][  T325]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   24.365177][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.365464][  T325]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   24.365643][  T325]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   24.365819][  T325]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   24.365997][  T325]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   24.366303][  T325]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   24.366485][  T325]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   24.366703][  T325]  ? __copy_msghdr (net/socket.c:2556)
[   24.366884][  T325]  ___sys_sendmsg (net/socket.c:2686)
[   24.367178][  T325]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   24.367359][  T325]  ? __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)
[   24.367581][  T325]  ? copy_msghdr_from_user (net/socket.c:2673)
[   24.367863][  T325]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.368041][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.368226][  T325]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.368402][  T325]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   24.368687][  T325]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   24.368867][  T325]  __sys_sendmsg (net/socket.c:2716)
[   24.369043][  T325]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   24.369266][  T325]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   24.369551][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   24.369726][  T325]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.369904][  T325]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   24.370130][  T325] RIP: 0033:0x7fdd01d211d7
[   24.370426][  T325] 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)
[   24.371185][  T325] RSP: 002b:00007ffda1f731c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.371463][  T325] RAX: ffffffffffffffda RBX: 00007ffda1f738f0 RCX: 00007fdd01d211d7
[   24.371732][  T325] RDX: 0000000000000000 RSI: 00007ffda1f73230 RDI: 0000000000000005
[   24.372123][  T325] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   24.372390][  T325] R10: 00007fdd01c1df60 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