======================================
| [ 1110.106858][T12062] ==================================================================
| [ 1110.107206][T12062] 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)
| [ 1110.107526][T12062] Write of size 8 at addr 0000000000000000 by task ip/12062
| [ 1110.107803][T12062]
[ 1110.107920][T12062] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1110.107923][T12062] Call Trace:
[ 1110.107927][T12062]  <TASK>
[ 1110.107929][T12062]  dump_stack_lvl (lib/dump_stack.c:123)
[ 1110.107949][T12062]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[ 1110.107952][T12062]  kasan_report (mm/kasan/report.c:597)
[ 1110.107962][T12062]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[ 1110.107968][T12062]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[ 1110.107971][T12062]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[ 1110.107977][T12062]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[ 1110.107982][T12062]  ? enable_delayed_work (kernel/workqueue.c:4359)
[ 1110.107986][T12062]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[ 1110.107990][T12062]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[ 1110.107998][T12062]  __cancel_work_sync (kernel/workqueue.c:4383)
[ 1110.108002][T12062]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[ 1110.108015][T12062]  ? netdev_notify_peers (net/core/dev.c:1891)
[ 1110.108019][T12062]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 1110.108026][T12062]  netif_close_many (net/core/dev.c:1959)
[ 1110.108031][T12062]  ? _raw_spin_unlock (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186)
[ 1110.108051][T12062]  ? __dev_close_many (net/core/dev.c:1949)
[ 1110.108055][T12062]  ? dev_getbyhwaddr_rcu (net/core/dev.c:10950)
[ 1110.108058][T12062]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 1110.108064][T12062]  __dev_change_net_namespace (./include/linux/list.h:119 ./include/linux/list.h:223 ./include/linux/list.h:237 net/core/dev.c:1975 net/core/dev.c:1968 net/core/dev.c:12746)
[ 1110.108072][T12062]  ? default_device_exit_batch (net/core/dev.c:12662)
[ 1110.108075][T12062]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 1110.108079][T12062]  ? __lock_release (kernel/locking/lockdep.c:5536)
[ 1110.108084][T12062]  ? rtnl_af_lookup (net/core/rtnetlink.c:2675)
[ 1110.108090][T12062]  ? is_bpf_text_address (kernel/bpf/core.c:749)
[ 1110.108099][T12062]  ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94)
[ 1110.108105][T12062]  do_setlink.constprop.0 (net/core/rtnetlink.c:3060)
[ 1110.108110][T12062]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[ 1110.108116][T12062]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[ 1110.108124][T12062]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[ 1110.108129][T12062]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 1110.108134][T12062]  ? __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)
[ 1110.108139][T12062]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[ 1110.108142][T12062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[ 1110.108147][T12062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[ 1110.108150][T12062]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[ 1110.108154][T12062]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[ 1110.108158][T12062]  ? __lock_release (kernel/locking/lockdep.c:5536)
[ 1110.108161][T12062]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[ 1110.108164][T12062]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[ 1110.108168][T12062]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[ 1110.108180][T12062]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[ 1110.108186][T12062]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[ 1110.108191][T12062]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[ 1110.108194][T12062]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 1110.108199][T12062]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 1110.108203][T12062]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[ 1110.108205][T12062]  ? __lock_release (kernel/locking/lockdep.c:5536)
[ 1110.108210][T12062]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[ 1110.108212][T12062]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[ 1110.108216][T12062]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[ 1110.108219][T12062]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 1110.108226][T12062]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[ 1110.108232][T12062]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[ 1110.108236][T12062]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[ 1110.108242][T12062]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[ 1110.108245][T12062]  ? 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)
[ 1110.108249][T12062]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[ 1110.108253][T12062]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[ 1110.108261][T12062]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 1110.108266][T12062]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[ 1110.108271][T12062]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[ 1110.108279][T12062]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[ 1110.108289][T12062]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[ 1110.108293][T12062]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[ 1110.108302][T12062]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[ 1110.108305][T12062]  ? __copy_msghdr (net/socket.c:2556)
[ 1110.108312][T12062]  ___sys_sendmsg (net/socket.c:2686)
[ 1110.108315][T12062]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[ 1110.108318][T12062]  ? __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)
[ 1110.108325][T12062]  ? copy_msghdr_from_user (net/socket.c:2673)
[ 1110.108330][T12062]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 1110.108334][T12062]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 1110.108340][T12062]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 1110.108344][T12062]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[ 1110.108354][T12062]  ? __lock_release (kernel/locking/lockdep.c:5536)
[ 1110.108360][T12062]  __sys_sendmsg (net/socket.c:2716)
[ 1110.108363][T12062]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[ 1110.108367][T12062]  ? __sys_sendmsg_sock (net/socket.c:2701)
[ 1110.108375][T12062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[ 1110.108379][T12062]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[ 1110.108386][T12062]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 1110.108391][T12062] RIP: 0033:0x7f7bb5f1e1d7
[ 1110.108398][T12062] 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)
[ 1110.108402][T12062] RSP: 002b:00007fff51683ed8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1110.108408][T12062] RAX: ffffffffffffffda RBX: 00007fff51684600 RCX: 00007f7bb5f1e1d7
[ 1110.108411][T12062] RDX: 0000000000000000 RSI: 00007fff51683f40 RDI: 0000000000000005
[ 1110.108413][T12062] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[ 1110.108414][T12062] R10: 00007f7bb5e1af60 R11: 0000000000000246 R12: 0000000000000004
[ 1110.108416][T12062] R13: 00000000691cbd9a R14: 0000000000499600 R15: 0000000000000000
| [ 1110.128148][T12062] #PF: error_code(0x0002) - not-present page
| [ 1110.128366][T12062] PGD f3d4067 P4D f3d4067 PUD 103a2067 PMD 0
| [ 1110.128604][T12062] Oops: Oops: 0002 [#1] SMP KASAN
| [ 1110.129265][T12062] Tainted: [B]=BAD_PAGE
[ 1110.129403][T12062] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1110.129743][T12062] 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)
[ 1110.129979][T12062] 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
[ 1110.130736][T12062] RSP: 0018:ffffc900084c6dd0 EFLAGS: 00010046
[ 1110.130965][T12062] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffb124090a
[ 1110.131232][T12062] RDX: fffffbfff6a8f2cd RSI: 0000000000000008 RDI: ffffffffb5479660
[ 1110.131635][T12062] RBP: ffffc900084c6e38 R08: 0000000000000001 R09: fffffbfff6a8f2cc
[ 1110.131906][T12062] R10: ffffffffb5479667 R11: ffffc900084c68c0 R12: 0000000000000000
[ 1110.132183][T12062] R13: 0000000000000282 R14: ffff88800c0e9000 R15: dffffc0000000000
[ 1110.132458][T12062] FS:  00007f7bb5d50800(0000) GS:ffff888080df2000(0000) knlGS:0000000000000000
[ 1110.132772][T12062] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1110.133107][T12062] CR2: 0000000000000000 CR3: 000000000b5eb001 CR4: 0000000000772ef0
[ 1110.133391][T12062] PKRU: 55555554
[ 1110.133535][T12062] Call Trace:
[ 1110.133673][T12062]  <TASK>
[ 1110.133884][T12062]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[ 1110.134070][T12062]  ? enable_delayed_work (kernel/workqueue.c:4359)
[ 1110.134255][T12062]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[ 1110.134437][T12062]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[ 1110.134732][T12062]  __cancel_work_sync (kernel/workqueue.c:4383)
[ 1110.134920][T12062]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[ 1110.135104][T12062]  ? netdev_notify_peers (net/core/dev.c:1891)
[ 1110.135285][T12062]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 1110.135581][T12062]  netif_close_many (net/core/dev.c:1959)
[ 1110.135762][T12062]  ? _raw_spin_unlock (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186)
[ 1110.135945][T12062]  ? __dev_close_many (net/core/dev.c:1949)
[ 1110.136124][T12062]  ? dev_getbyhwaddr_rcu (net/core/dev.c:10950)
[ 1110.136416][T12062]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 1110.136607][T12062]  __dev_change_net_namespace (./include/linux/list.h:119 ./include/linux/list.h:223 ./include/linux/list.h:237 net/core/dev.c:1975 net/core/dev.c:1968 net/core/dev.c:12746)
[ 1110.136831][T12062]  ? default_device_exit_batch (net/core/dev.c:12662)
[ 1110.137051][T12062]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 1110.137332][T12062]  ? __lock_release (kernel/locking/lockdep.c:5536)
[ 1110.137516][T12062]  ? rtnl_af_lookup (net/core/rtnetlink.c:2675)
[ 1110.137698][T12062]  ? is_bpf_text_address (kernel/bpf/core.c:749)
[ 1110.137882][T12062]  ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94)
[ 1110.138179][T12062]  do_setlink.constprop.0 (net/core/rtnetlink.c:3060)
[ 1110.138357][T12062]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[ 1110.138546][T12062]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[ 1110.138730][T12062]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[ 1110.139016][T12062]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 1110.139195][T12062]  ? __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)
[ 1110.139383][T12062]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[ 1110.139566][T12062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[ 1110.139851][T12062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[ 1110.140030][T12062]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[ 1110.140207][T12062]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[ 1110.140386][T12062]  ? __lock_release (kernel/locking/lockdep.c:5536)
[ 1110.140689][T12062]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[ 1110.140865][T12062]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[ 1110.141053][T12062]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[ 1110.141233][T12062]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[ 1110.141539][T12062]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[ 1110.141720][T12062]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[ 1110.141899][T12062]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 1110.142077][T12062]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 1110.142358][T12062]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[ 1110.142542][T12062]  ? __lock_release (kernel/locking/lockdep.c:5536)
[ 1110.142731][T12062]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[ 1110.142912][T12062]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[ 1110.143196][T12062]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[ 1110.143372][T12062]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 1110.143555][T12062]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[ 1110.143735][T12062]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[ 1110.144017][T12062]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[ 1110.144197][T12062]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[ 1110.144379][T12062]  ? 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)
[ 1110.144561][T12062]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[ 1110.144842][T12062]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[ 1110.145021][T12062]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 1110.145201][T12062]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[ 1110.145377][T12062]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[ 1110.145665][T12062]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[ 1110.145843][T12062]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[ 1110.146026][T12062]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[ 1110.146204][T12062]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[ 1110.146533][T12062]  ? __copy_msghdr (net/socket.c:2556)
[ 1110.146714][T12062]  ___sys_sendmsg (net/socket.c:2686)
[ 1110.146891][T12062]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[ 1110.147175][T12062]  ? __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)
[ 1110.147400][T12062]  ? copy_msghdr_from_user (net/socket.c:2673)
[ 1110.147592][T12062]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 1110.147774][T12062]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 1110.148060][T12062]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 1110.148240][T12062]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[ 1110.148420][T12062]  ? __lock_release (kernel/locking/lockdep.c:5536)
[ 1110.148604][T12062]  __sys_sendmsg (net/socket.c:2716)
[ 1110.148889][T12062]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[ 1110.149122][T12062]  ? __sys_sendmsg_sock (net/socket.c:2701)
[ 1110.149306][T12062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[ 1110.149493][T12062]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[ 1110.149778][T12062]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 1110.149997][T12062] RIP: 0033:0x7f7bb5f1e1d7
[ 1110.150195][T12062] 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)
[ 1110.150950][T12062] RSP: 002b:00007fff51683ed8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1110.151223][T12062] RAX: ffffffffffffffda RBX: 00007fff51684600 RCX: 00007f7bb5f1e1d7
[ 1110.151625][T12062] RDX: 0000000000000000 RSI: 00007fff51683f40 RDI: 0000000000000005
[ 1110.151894][T12062] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[ 1110.152274][T12062] R10: 00007f7bb5e1af60 R11: 0000000000000246 R12: 0000000000000004


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