======================================
| [   23.562841][  T345] ==================================================================
| [   23.563187][  T345] 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)
| [   23.563497][  T345] Write of size 8 at addr 0000000000000000 by task ip/345
| [   23.563747][  T345]
[   23.563862][  T345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.563865][  T345] Call Trace:
[   23.563868][  T345]  <TASK>
[   23.563870][  T345]  dump_stack_lvl (lib/dump_stack.c:123)
[   23.563878][  T345]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   23.563882][  T345]  kasan_report (mm/kasan/report.c:597)
[   23.563888][  T345]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   23.563895][  T345]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[   23.563899][  T345]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   23.563906][  T345]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   23.563910][  T345]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   23.563917][  T345]  ? qdisc_destroy (net/sched/sch_generic.c:1355)
[   23.563926][  T345]  __cancel_work_sync (kernel/workqueue.c:4383)
[   23.563932][  T345]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   23.563939][  T345]  ? netdev_notify_peers (net/core/dev.c:1891)
[   23.563944][  T345]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   23.563948][  T345]  __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)
[   23.563953][  T345]  ? netif_set_allmulti (net/core/dev.c:9890)
[   23.563956][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.563963][  T345]  netif_change_flags (net/core/dev.c:9989)
[   23.563967][  T345]  dev_change_flags (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:69)
[   23.563971][  T345] cycle_netdev (drivers/net/vrf.c:1052) vrf
[   23.563978][  T345] vrf_add_slave (drivers/net/vrf.c:1083 drivers/net/vrf.c:1102) vrf
[   23.563983][  T345]  do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2964)
[   23.563988][  T345]  do_setlink.constprop.0 (net/core/rtnetlink.c:3165)
[   23.563993][  T345]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   23.563998][  T345]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.564004][  T345]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   23.564009][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.564014][  T345]  ? __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)
[   23.564018][  T345]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   23.564021][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   23.564025][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   23.564028][  T345]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   23.564031][  T345]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   23.564036][  T345]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   23.564039][  T345]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   23.564043][  T345]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   23.564046][  T345]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   23.564050][  T345]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   23.564055][  T345]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   23.564060][  T345]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   23.564063][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.564069][  T345]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.564072][  T345]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   23.564075][  T345]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   23.564079][  T345]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   23.564082][  T345]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   23.564086][  T345]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   23.564088][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.564095][  T345]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   23.564099][  T345]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   23.564103][  T345]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   23.564109][  T345]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   23.564112][  T345]  ? 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)
[   23.564116][  T345]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   23.564120][  T345]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   23.564124][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.564130][  T345]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   23.564134][  T345]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   23.564138][  T345]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   23.564144][  T345]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   23.564147][  T345]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   23.564152][  T345]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   23.564155][  T345]  ? __copy_msghdr (net/socket.c:2556)
[   23.564163][  T345]  ___sys_sendmsg (net/socket.c:2686)
[   23.564166][  T345]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   23.564169][  T345]  ? __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)
[   23.564174][  T345]  ? copy_msghdr_from_user (net/socket.c:2673)
[   23.564179][  T345]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.564183][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.564189][  T345]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.564193][  T345]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   23.564197][  T345]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   23.564203][  T345]  __sys_sendmsg (net/socket.c:2716)
[   23.564206][  T345]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   23.564210][  T345]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   23.564217][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   23.564221][  T345]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.564226][  T345]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   23.564230][  T345] RIP: 0033:0x7fb441d951d7
[   23.564234][  T345] 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)
[   23.564237][  T345] RSP: 002b:00007ffca3065718 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.564241][  T345] RAX: ffffffffffffffda RBX: 00007ffca3065e40 RCX: 00007fb441d951d7
[   23.564243][  T345] RDX: 0000000000000000 RSI: 00007ffca3065780 RDI: 0000000000000005
[   23.564245][  T345] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.564246][  T345] R10: 000000001b903910 R11: 0000000000000246 R12: 0000000000000004
[   23.564248][  T345] R13: 00000000691ccc52 R14: 0000000000499600 R15: 0000000000000000
| [   23.584159][  T345] #PF: error_code(0x0002) - not-present page
| [   23.584398][  T345] PGD c507067 P4D c507067 PUD c506067 PMD 0
| [   23.584647][  T345] Oops: Oops: 0002 [#1] SMP KASAN
| [   23.585240][  T345] Tainted: [B]=BAD_PAGE
[   23.585392][  T345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.585640][  T345] 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)
[   23.585891][  T345] 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
[   23.586576][  T345] RSP: 0018:ffffc90000bf6e70 EFLAGS: 00010046
[   23.586824][  T345] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9fa4090a
[   23.587117][  T345] RDX: fffffbfff478f2cd RSI: 0000000000000008 RDI: ffffffffa3c79660
[   23.587409][  T345] RBP: ffffc90000bf6ed8 R08: 0000000000000001 R09: fffffbfff478f2cc
[   23.587706][  T345] R10: ffffffffa3c79667 R11: ffffc90000bf6940 R12: 0000000000000000
[   23.587999][  T345] R13: 0000000000000282 R14: ffff88800e791000 R15: dffffc0000000000
[   23.588294][  T345] FS:  00007fb441bc7800(0000) GS:ffff888092772000(0000) knlGS:0000000000000000
[   23.588633][  T345] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.588889][  T345] CR2: 0000000000000000 CR3: 00000000058c5003 CR4: 0000000000772ef0
[   23.589181][  T345] PKRU: 55555554
[   23.589331][  T345] Call Trace:
[   23.589478][  T345]  <TASK>
[   23.589580][  T345]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   23.589776][  T345]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   23.589971][  T345]  ? qdisc_destroy (net/sched/sch_generic.c:1355)
[   23.590166][  T345]  __cancel_work_sync (kernel/workqueue.c:4383)
[   23.590361][  T345]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   23.590554][  T345]  ? netdev_notify_peers (net/core/dev.c:1891)
[   23.590752][  T345]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   23.590945][  T345]  __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)
[   23.591137][  T345]  ? netif_set_allmulti (net/core/dev.c:9890)
[   23.591340][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.591551][  T345]  netif_change_flags (net/core/dev.c:9989)
[   23.591744][  T345]  dev_change_flags (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:69)
[   23.591941][  T345] cycle_netdev (drivers/net/vrf.c:1052) vrf
[   23.592140][  T345] vrf_add_slave (drivers/net/vrf.c:1083 drivers/net/vrf.c:1102) vrf
[   23.592336][  T345]  do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2964)
[   23.592528][  T345]  do_setlink.constprop.0 (net/core/rtnetlink.c:3165)
[   23.592723][  T345]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   23.592917][  T345]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.593115][  T345]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   23.593427][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.593628][  T345]  ? __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)
[   23.593818][  T345]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   23.594008][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   23.594319][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   23.594509][  T345]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   23.594701][  T345]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   23.594898][  T345]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   23.595324][  T345]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   23.595517][  T345]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   23.595715][  T345]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   23.596029][  T345]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   23.596225][  T345]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   23.596422][  T345]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   23.596733][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.596928][  T345]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.597120][  T345]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   23.597313][  T345]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   23.597505][  T345]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   23.597699][  T345]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   23.597890][  T345]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   23.598091][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.598288][  T345]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   23.598480][  T345]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   23.598674][  T345]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   23.598883][  T345]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   23.599072][  T345]  ? 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)
[   23.599266][  T345]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   23.599459][  T345]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   23.599656][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.599853][  T345]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   23.600064][  T345]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   23.600256][  T345]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   23.600454][  T345]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   23.600764][  T345]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   23.600960][  T345]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   23.601320][  T345]  ? __copy_msghdr (net/socket.c:2556)
[   23.601515][  T345]  ___sys_sendmsg (net/socket.c:2686)
[   23.601704][  T345]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   23.601896][  T345]  ? __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)
[   23.602252][  T345]  ? copy_msghdr_from_user (net/socket.c:2673)
[   23.602445][  T345]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.602641][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.602838][  T345]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.603033][  T345]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   23.603228][  T345]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   23.603424][  T345]  __sys_sendmsg (net/socket.c:2716)
[   23.603736][  T345]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   23.603976][  T345]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   23.604172][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   23.604367][  T345]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.604567][  T345]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   23.604805][  T345] RIP: 0033:0x7fb441d951d7
[   23.605005][  T345] 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)
[   23.605690][  T345] RSP: 002b:00007ffca3065718 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.605986][  T345] RAX: ffffffffffffffda RBX: 00007ffca3065e40 RCX: 00007fb441d951d7
[   23.606277][  T345] RDX: 0000000000000000 RSI: 00007ffca3065780 RDI: 0000000000000005
[   23.606705][  T345] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.607116][  T345] R10: 000000001b903910 R11: 0000000000000246 R12: 0000000000000004


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