======================================
| [ 1063.582269][T12061] ==================================================================
| [ 1063.582640][T12061] 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)
| [ 1063.582957][T12061] Write of size 8 at addr 0000000000000000 by task ip/12061
| [ 1063.583421][T12061]
[ 1063.583595][T12061] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1063.583599][T12061] Call Trace:
[ 1063.583602][T12061]  <TASK>
[ 1063.583604][T12061]  dump_stack_lvl (lib/dump_stack.c:123)
[ 1063.583615][T12061]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[ 1063.583620][T12061]  kasan_report (mm/kasan/report.c:597)
[ 1063.583628][T12061]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[ 1063.583638][T12061]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[ 1063.583644][T12061]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[ 1063.583653][T12061]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[ 1063.583658][T12061]  ? enable_delayed_work (kernel/workqueue.c:4359)
[ 1063.583665][T12061]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[ 1063.583671][T12061]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[ 1063.583681][T12061]  __cancel_work_sync (kernel/workqueue.c:4383)
[ 1063.583687][T12061]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[ 1063.583696][T12061]  ? netdev_notify_peers (net/core/dev.c:1891)
[ 1063.583703][T12061]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 1063.583714][T12061]  netif_close_many (net/core/dev.c:1959)
[ 1063.583721][T12061]  ? _raw_spin_unlock (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186)
[ 1063.583729][T12061]  ? __dev_close_many (net/core/dev.c:1949)
[ 1063.583734][T12061]  ? dev_getbyhwaddr_rcu (net/core/dev.c:10950)
[ 1063.583739][T12061]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 1063.583748][T12061]  __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)
[ 1063.583762][T12061]  ? default_device_exit_batch (net/core/dev.c:12662)
[ 1063.583767][T12061]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 1063.583773][T12061]  ? __lock_release (kernel/locking/lockdep.c:5536)
[ 1063.583781][T12061]  ? rtnl_af_lookup (net/core/rtnetlink.c:2675)
[ 1063.583787][T12061]  ? is_bpf_text_address (kernel/bpf/core.c:749)
[ 1063.583794][T12061]  ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94)
[ 1063.583803][T12061]  do_setlink.constprop.0 (net/core/rtnetlink.c:3060)
[ 1063.583811][T12061]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[ 1063.583822][T12061]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[ 1063.583829][T12061]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[ 1063.583839][T12061]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 1063.583848][T12061]  ? __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)
[ 1063.583854][T12061]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[ 1063.583860][T12061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[ 1063.583867][T12061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[ 1063.583872][T12061]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[ 1063.583878][T12061]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[ 1063.583884][T12061]  ? __lock_release (kernel/locking/lockdep.c:5536)
[ 1063.583890][T12061]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[ 1063.583895][T12061]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[ 1063.583901][T12061]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[ 1063.583907][T12061]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[ 1063.583916][T12061]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[ 1063.583926][T12061]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[ 1063.583930][T12061]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 1063.583941][T12061]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 1063.583948][T12061]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[ 1063.583952][T12061]  ? __lock_release (kernel/locking/lockdep.c:5536)
[ 1063.583960][T12061]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[ 1063.583965][T12061]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[ 1063.583972][T12061]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[ 1063.583977][T12061]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 1063.583991][T12061]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[ 1063.583998][T12061]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[ 1063.584004][T12061]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[ 1063.584018][T12061]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[ 1063.584023][T12061]  ? 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)
[ 1063.584030][T12061]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[ 1063.584038][T12061]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[ 1063.584046][T12061]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 1063.584056][T12061]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[ 1063.584064][T12061]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[ 1063.584070][T12061]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[ 1063.584080][T12061]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[ 1063.584086][T12061]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[ 1063.584095][T12061]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[ 1063.584100][T12061]  ? __copy_msghdr (net/socket.c:2556)
[ 1063.584114][T12061]  ___sys_sendmsg (net/socket.c:2686)
[ 1063.584119][T12061]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[ 1063.584124][T12061]  ? __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)
[ 1063.584132][T12061]  ? copy_msghdr_from_user (net/socket.c:2673)
[ 1063.584141][T12061]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 1063.584149][T12061]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 1063.584160][T12061]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 1063.584166][T12061]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[ 1063.584173][T12061]  ? __lock_release (kernel/locking/lockdep.c:5536)
[ 1063.584185][T12061]  __sys_sendmsg (net/socket.c:2716)
[ 1063.584190][T12061]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[ 1063.584196][T12061]  ? __sys_sendmsg_sock (net/socket.c:2701)
[ 1063.584211][T12061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[ 1063.584217][T12061]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[ 1063.584226][T12061]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 1063.584231][T12061] RIP: 0033:0x7fccf3fd81d7
[ 1063.584237][T12061] 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)
[ 1063.584242][T12061] RSP: 002b:00007ffe5707dab8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1063.584248][T12061] RAX: ffffffffffffffda RBX: 00007ffe5707e1e0 RCX: 00007fccf3fd81d7
[ 1063.584252][T12061] RDX: 0000000000000000 RSI: 00007ffe5707db20 RDI: 0000000000000005
[ 1063.584255][T12061] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[ 1063.584258][T12061] R10: 00007fccf3ed4f60 R11: 0000000000000246 R12: 0000000000000004
[ 1063.584261][T12061] R13: 00000000691cd4fc R14: 0000000000499600 R15: 0000000000000000
| [ 1063.605263][T12061] #PF: error_code(0x0002) - not-present page
| [ 1063.605488][T12061] PGD a429067 P4D a429067 PUD 124aa067 PMD 0
| [ 1063.605725][T12061] Oops: Oops: 0002 [#1] SMP KASAN
| [ 1063.606293][T12061] Tainted: [B]=BAD_PAGE
[ 1063.606433][T12061] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1063.606663][T12061] 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)
[ 1063.606911][T12061] 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
[ 1063.607568][T12061] RSP: 0018:ffffc90008a06dd0 EFLAGS: 00010046
[ 1063.607797][T12061] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffa984090a
[ 1063.608081][T12061] RDX: fffffbfff5b4f2cd RSI: 0000000000000008 RDI: ffffffffada79660
[ 1063.608356][T12061] RBP: ffffc90008a06e38 R08: 0000000000000001 R09: fffffbfff5b4f2cc
[ 1063.608630][T12061] R10: ffffffffada79667 R11: ffffc90008a068c0 R12: 0000000000000000
[ 1063.608910][T12061] R13: 0000000000000282 R14: ffff888002834000 R15: dffffc0000000000
[ 1063.609263][T12061] FS:  00007fccf3e0a800(0000) GS:ffff888088872000(0000) knlGS:0000000000000000
[ 1063.609584][T12061] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1063.609814][T12061] CR2: 0000000000000000 CR3: 0000000008be4003 CR4: 0000000000772ef0
[ 1063.610105][T12061] PKRU: 55555554
[ 1063.610242][T12061] Call Trace:
[ 1063.610379][T12061]  <TASK>
[ 1063.610477][T12061]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[ 1063.610665][T12061]  ? enable_delayed_work (kernel/workqueue.c:4359)
[ 1063.610850][T12061]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[ 1063.611041][T12061]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[ 1063.611232][T12061]  __cancel_work_sync (kernel/workqueue.c:4383)
[ 1063.611415][T12061]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[ 1063.611599][T12061]  ? netdev_notify_peers (net/core/dev.c:1891)
[ 1063.611781][T12061]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 1063.611972][T12061]  netif_close_many (net/core/dev.c:1959)
[ 1063.612152][T12061]  ? _raw_spin_unlock (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186)
[ 1063.612360][T12061]  ? __dev_close_many (net/core/dev.c:1949)
[ 1063.612556][T12061]  ? dev_getbyhwaddr_rcu (net/core/dev.c:10950)
[ 1063.612744][T12061]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 1063.612936][T12061]  __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)
[ 1063.613166][T12061]  ? default_device_exit_batch (net/core/dev.c:12662)
[ 1063.613392][T12061]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 1063.613571][T12061]  ? __lock_release (kernel/locking/lockdep.c:5536)
[ 1063.613755][T12061]  ? rtnl_af_lookup (net/core/rtnetlink.c:2675)
[ 1063.613951][T12061]  ? is_bpf_text_address (kernel/bpf/core.c:749)
[ 1063.614141][T12061]  ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94)
[ 1063.614323][T12061]  do_setlink.constprop.0 (net/core/rtnetlink.c:3060)
[ 1063.614524][T12061]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[ 1063.614706][T12061]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[ 1063.614889][T12061]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[ 1063.615080][T12061]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 1063.615262][T12061]  ? __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)
[ 1063.615448][T12061]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[ 1063.615627][T12061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[ 1063.615810][T12061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[ 1063.616001][T12061]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[ 1063.616180][T12061]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[ 1063.616361][T12061]  ? __lock_release (kernel/locking/lockdep.c:5536)
[ 1063.616547][T12061]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[ 1063.616726][T12061]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[ 1063.616919][T12061]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[ 1063.617100][T12061]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[ 1063.617283][T12061]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[ 1063.617466][T12061]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[ 1063.617645][T12061]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 1063.617851][T12061]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 1063.618062][T12061]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[ 1063.618247][T12061]  ? __lock_release (kernel/locking/lockdep.c:5536)
[ 1063.618452][T12061]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[ 1063.618632][T12061]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[ 1063.618835][T12061]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[ 1063.619023][T12061]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 1063.619208][T12061]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[ 1063.619390][T12061]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[ 1063.619569][T12061]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[ 1063.619754][T12061]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[ 1063.619953][T12061]  ? 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)
[ 1063.620137][T12061]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[ 1063.620320][T12061]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[ 1063.620503][T12061]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 1063.620688][T12061]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[ 1063.620870][T12061]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[ 1063.621078][T12061]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[ 1063.621286][T12061]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[ 1063.621468][T12061]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[ 1063.621650][T12061]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[ 1063.621874][T12061]  ? __copy_msghdr (net/socket.c:2556)
[ 1063.622063][T12061]  ___sys_sendmsg (net/socket.c:2686)
[ 1063.622241][T12061]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[ 1063.622423][T12061]  ? __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)
[ 1063.622653][T12061]  ? copy_msghdr_from_user (net/socket.c:2673)
[ 1063.622835][T12061]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 1063.623024][T12061]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[ 1063.623339][T12061]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 1063.623521][T12061]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[ 1063.623703][T12061]  ? __lock_release (kernel/locking/lockdep.c:5536)
[ 1063.623883][T12061]  __sys_sendmsg (net/socket.c:2716)
[ 1063.624177][T12061]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[ 1063.624406][T12061]  ? __sys_sendmsg_sock (net/socket.c:2701)
[ 1063.624600][T12061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[ 1063.624884][T12061]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[ 1063.625076][T12061]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 1063.625299][T12061] RIP: 0033:0x7fccf3fd81d7
[ 1063.625486][T12061] 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)
[ 1063.626241][T12061] RSP: 002b:00007ffe5707dab8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1063.626656][T12061] RAX: ffffffffffffffda RBX: 00007ffe5707e1e0 RCX: 00007fccf3fd81d7
[ 1063.626963][T12061] RDX: 0000000000000000 RSI: 00007ffe5707db20 RDI: 0000000000000005
[ 1063.627239][T12061] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[ 1063.627543][T12061] R10: 00007fccf3ed4f60 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