======================================
| [   34.971701][  T429] ==================================================================
| [   34.972101][  T429] 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)
| [   34.972455][  T429] Write of size 8 at addr 0000000000000000 by task ip/429
| [   34.972697][  T429]
[   34.972820][  T429] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.972824][  T429] Call Trace:
[   34.972829][  T429]  <TASK>
[   34.972832][  T429]  dump_stack_lvl (lib/dump_stack.c:123)
[   34.972860][  T429]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   34.972865][  T429]  kasan_report (mm/kasan/report.c:597)
[   34.972878][  T429]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   34.972883][  T429]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[   34.972887][  T429]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   34.972895][  T429]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   34.972900][  T429]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   34.972905][  T429]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[   34.972910][  T429]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   34.972920][  T429]  __cancel_work_sync (kernel/workqueue.c:4383)
[   34.972924][  T429]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   34.972934][  T429]  ? netdev_notify_peers (net/core/dev.c:1891)
[   34.972939][  T429]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   34.972947][  T429]  __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)
[   34.972950][  T429]  ? __free_zapped_classes (kernel/locking/lockdep.c:5343)
[   34.972958][  T429]  ? netif_set_allmulti (net/core/dev.c:9890)
[   34.972961][  T429]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   34.972970][  T429]  netif_change_flags (net/core/dev.c:9989)
[   34.972974][  T429]  do_setlink.constprop.0 (net/core/rtnetlink.c:3158)
[   34.972981][  T429]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   34.972990][  T429]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.973001][  T429]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   34.973007][  T429]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.973015][  T429]  ? __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)
[   34.973020][  T429]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   34.973025][  T429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   34.973035][  T429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   34.973038][  T429]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   34.973042][  T429]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   34.973054][  T429]  ? __create_object (mm/kmemleak.c:786)
[   34.973060][  T429]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   34.973065][  T429]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   34.973070][  T429]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   34.973075][  T429]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   34.973088][  T429]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   34.973095][  T429]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   34.973101][  T429]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   34.973104][  T429]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.973110][  T429]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.973114][  T429]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   34.973116][  T429]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   34.973121][  T429]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   34.973124][  T429]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   34.973128][  T429]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   34.973131][  T429]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.973138][  T429]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   34.973145][  T429]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   34.973149][  T429]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   34.973159][  T429]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   34.973163][  T429]  ? 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)
[   34.973169][  T429]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   34.973175][  T429]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   34.973179][  T429]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.973185][  T429]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   34.973189][  T429]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   34.973193][  T429]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   34.973203][  T429]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   34.973207][  T429]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   34.973213][  T429]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   34.973217][  T429]  ? __copy_msghdr (net/socket.c:2556)
[   34.973224][  T429]  ___sys_sendmsg (net/socket.c:2686)
[   34.973228][  T429]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   34.973231][  T429]  ? __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)
[   34.973238][  T429]  ? copy_msghdr_from_user (net/socket.c:2673)
[   34.973243][  T429]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.973247][  T429]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.973253][  T429]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.973257][  T429]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   34.973270][  T429]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   34.973276][  T429]  __sys_sendmsg (net/socket.c:2716)
[   34.973280][  T429]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   34.973283][  T429]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   34.973291][  T429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   34.973295][  T429]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.973304][  T429]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   34.973318][  T429] RIP: 0033:0x7fedcb7d81d7
[   34.973326][  T429] 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)
[   34.973330][  T429] RSP: 002b:00007ffcd918d838 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.973336][  T429] RAX: ffffffffffffffda RBX: 00007ffcd918df60 RCX: 00007fedcb7d81d7
[   34.973338][  T429] RDX: 0000000000000000 RSI: 00007ffcd918d8a0 RDI: 0000000000000005
[   34.973340][  T429] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   34.973343][  T429] R10: 00007fedcb6d4f60 R11: 0000000000000246 R12: 0000000000000003
[   34.973345][  T429] R13: 00000000691ccccf R14: 0000000000499600 R15: 0000000000000000
| [   34.994173][  T429] #PF: error_code(0x0002) - not-present page
| [   34.994389][  T429] PGD c392067 P4D c392067 PUD 95ba067 PMD 0
| [   34.994660][  T429] Oops: Oops: 0002 [#1] SMP KASAN
| [   34.995399][  T429] Tainted: [B]=BAD_PAGE
[   34.995545][  T429] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.995925][  T429] 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)
[   34.996178][  T429] 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
[   34.996970][  T429] RSP: 0018:ffffc90000656f40 EFLAGS: 00010046
[   34.997219][  T429] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffb184090a
[   34.997522][  T429] RDX: fffffbfff6b4f2cd RSI: 0000000000000008 RDI: ffffffffb5a79660
[   34.997802][  T429] RBP: ffffc90000656fa8 R08: 0000000000000001 R09: fffffbfff6b4f2cc
[   34.998117][  T429] R10: ffffffffb5a79667 R11: ffffc90000656a00 R12: 0000000000000000
[   34.998518][  T429] R13: 0000000000000282 R14: ffff888005529000 R15: dffffc0000000000
[   34.998807][  T429] FS:  00007fedcb60a800(0000) GS:ffff88807adf2000(0000) knlGS:0000000000000000
[   34.999279][  T429] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.999523][  T429] CR2: 0000000000000000 CR3: 000000000c88f001 CR4: 0000000000772ef0
[   34.999812][  T429] PKRU: 55555554
[   34.999968][  T429] Call Trace:
[   35.000241][  T429]  <TASK>
[   35.000343][  T429]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   35.000533][  T429]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   35.000733][  T429]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[   35.000936][  T429]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   35.001246][  T429]  __cancel_work_sync (kernel/workqueue.c:4383)
[   35.001427][  T429]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   35.001611][  T429]  ? netdev_notify_peers (net/core/dev.c:1891)
[   35.001801][  T429]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   35.002125][  T429]  __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)
[   35.002303][  T429]  ? __free_zapped_classes (kernel/locking/lockdep.c:5343)
[   35.002492][  T429]  ? netif_set_allmulti (net/core/dev.c:9890)
[   35.002681][  T429]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   35.002995][  T429]  netif_change_flags (net/core/dev.c:9989)
[   35.003201][  T429]  do_setlink.constprop.0 (net/core/rtnetlink.c:3158)
[   35.003379][  T429]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   35.003562][  T429]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.003873][  T429]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   35.004089][  T429]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.004271][  T429]  ? __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)
[   35.004455][  T429]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   35.004762][  T429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   35.004990][  T429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   35.005181][  T429]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   35.005355][  T429]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   35.005571][  T429]  ? __create_object (mm/kmemleak.c:786)
[   35.005774][  T429]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   35.005974][  T429]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   35.006177][  T429]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   35.006458][  T429]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   35.006645][  T429]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   35.006832][  T429]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   35.007035][  T429]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   35.007338][  T429]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.007521][  T429]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.007704][  T429]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   35.007917][  T429]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   35.008225][  T429]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   35.008397][  T429]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   35.008580][  T429]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   35.008770][  T429]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.009097][  T429]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   35.009282][  T429]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   35.009460][  T429]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   35.009657][  T429]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   35.009965][  T429]  ? 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)
[   35.010164][  T429]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   35.010349][  T429]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   35.010528][  T429]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.010830][  T429]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   35.011030][  T429]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   35.011222][  T429]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   35.011397][  T429]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   35.011573][  T429]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   35.011760][  T429]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   35.011993][  T429]  ? __copy_msghdr (net/socket.c:2556)
[   35.012304][  T429]  ___sys_sendmsg (net/socket.c:2686)
[   35.012492][  T429]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   35.012683][  T429]  ? __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)
[   35.012927][  T429]  ? copy_msghdr_from_user (net/socket.c:2673)
[   35.013237][  T429]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.013413][  T429]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.013593][  T429]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.013776][  T429]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   35.014099][  T429]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   35.014283][  T429]  __sys_sendmsg (net/socket.c:2716)
[   35.014467][  T429]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   35.014695][  T429]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   35.015021][  T429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   35.015218][  T429]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.015393][  T429]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   35.015613][  T429] RIP: 0033:0x7fedcb7d81d7
[   35.015958][  T429] 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)
[   35.016754][  T429] RSP: 002b:00007ffcd918d838 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.017053][  T429] RAX: ffffffffffffffda RBX: 00007ffcd918df60 RCX: 00007fedcb7d81d7
[   35.017341][  T429] RDX: 0000000000000000 RSI: 00007ffcd918d8a0 RDI: 0000000000000005
[   35.017617][  T429] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   35.017922][  T429] R10: 00007fedcb6d4f60 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