======================================
| [   45.732912][  T507] ==================================================================
| [   45.733257][  T507] 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)
| [   45.733586][  T507] Write of size 8 at addr 0000000000000000 by task ip/507
| [   45.733825][  T507]
[   45.733941][  T507] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.733948][  T507] Call Trace:
[   45.733953][  T507]  <TASK>
[   45.733955][  T507]  dump_stack_lvl (lib/dump_stack.c:123)
[   45.733981][  T507]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   45.733984][  T507]  kasan_report (mm/kasan/report.c:597)
[   45.733996][  T507]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   45.734001][  T507]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[   45.734005][  T507]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   45.734010][  T507]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   45.734014][  T507]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   45.734018][  T507]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[   45.734021][  T507]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   45.734029][  T507]  __cancel_work_sync (kernel/workqueue.c:4383)
[   45.734033][  T507]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   45.734046][  T507]  ? netdev_notify_peers (net/core/dev.c:1891)
[   45.734050][  T507]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.734060][  T507]  netif_close_many (net/core/dev.c:1959)
[   45.734064][  T507]  ? _raw_spin_unlock (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186)
[   45.734083][  T507]  ? __dev_close_many (net/core/dev.c:1949)
[   45.734086][  T507]  ? dev_getbyhwaddr_rcu (net/core/dev.c:10950)
[   45.734089][  T507]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.734094][  T507]  __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)
[   45.734102][  T507]  ? default_device_exit_batch (net/core/dev.c:12662)
[   45.734105][  T507]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.734108][  T507]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   45.734115][  T507]  ? rtnl_af_lookup (net/core/rtnetlink.c:2675)
[   45.734120][  T507]  ? is_bpf_text_address (kernel/bpf/core.c:749)
[   45.734133][  T507]  ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94)
[   45.734140][  T507]  do_setlink.constprop.0 (net/core/rtnetlink.c:3060)
[   45.734145][  T507]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   45.734150][  T507]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.734160][  T507]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   45.734165][  T507]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.734170][  T507]  ? __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)
[   45.734174][  T507]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   45.734177][  T507]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   45.734184][  T507]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   45.734196][  T507]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   45.734199][  T507]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   45.734203][  T507]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   45.734206][  T507]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   45.734209][  T507]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   45.734213][  T507]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   45.734227][  T507]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   45.734233][  T507]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   45.734239][  T507]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   45.734241][  T507]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.734247][  T507]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.734251][  T507]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   45.734253][  T507]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   45.734258][  T507]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   45.734261][  T507]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   45.734265][  T507]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   45.734267][  T507]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.734274][  T507]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   45.734283][  T507]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   45.734287][  T507]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   45.734294][  T507]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   45.734297][  T507]  ? 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)
[   45.734300][  T507]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   45.734305][  T507]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   45.734308][  T507]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.734314][  T507]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   45.734319][  T507]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   45.734324][  T507]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   45.734336][  T507]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   45.734339][  T507]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   45.734349][  T507]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   45.734353][  T507]  ? __copy_msghdr (net/socket.c:2556)
[   45.734360][  T507]  ___sys_sendmsg (net/socket.c:2686)
[   45.734363][  T507]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   45.734366][  T507]  ? __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)
[   45.734372][  T507]  ? copy_msghdr_from_user (net/socket.c:2673)
[   45.734377][  T507]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.734382][  T507]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.734388][  T507]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.734391][  T507]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   45.734405][  T507]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   45.734412][  T507]  __sys_sendmsg (net/socket.c:2716)
[   45.734415][  T507]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   45.734419][  T507]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   45.734427][  T507]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   45.734431][  T507]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   45.734436][  T507]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   45.734444][  T507] RIP: 0033:0x7fae53e7a1d7
[   45.734454][  T507] 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)
[   45.734459][  T507] RSP: 002b:00007ffcb34e8d58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   45.734467][  T507] RAX: ffffffffffffffda RBX: 00007ffcb34e9480 RCX: 00007fae53e7a1d7
[   45.734469][  T507] RDX: 0000000000000000 RSI: 00007ffcb34e8dc0 RDI: 0000000000000005
[   45.734471][  T507] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   45.734473][  T507] R10: 00007fae53d76f60 R11: 0000000000000246 R12: 0000000000000004
[   45.734476][  T507] R13: 00000000691cc97e R14: 0000000000499600 R15: 0000000000000000
| [   45.756486][  T507] #PF: error_code(0x0002) - not-present page
| [   45.756699][  T507] PGD fbca067 P4D fbca067 PUD fbcd067 PMD 0
| [   45.757025][  T507] Oops: Oops: 0002 [#1] SMP KASAN
| [   45.757536][  T507] Tainted: [B]=BAD_PAGE
[   45.757670][  T507] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.757889][  T507] 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)
[   45.758109][  T507] 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
[   45.758827][  T507] RSP: 0018:ffffc90000fd6dd0 EFLAGS: 00010046
[   45.759041][  T507] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8204090a
[   45.759404][  T507] RDX: fffffbfff0c4f2cd RSI: 0000000000000008 RDI: ffffffff86279660
[   45.759657][  T507] RBP: ffffc90000fd6e38 R08: 0000000000000001 R09: fffffbfff0c4f2cc
[   45.760018][  T507] R10: ffffffff86279667 R11: ffffc90000fd68c0 R12: 0000000000000000
[   45.760295][  T507] R13: 0000000000000282 R14: ffff888007401000 R15: dffffc0000000000
[   45.760552][  T507] FS:  00007fae53cac800(0000) GS:ffff8880b00f2000(0000) knlGS:0000000000000000
[   45.761005][  T507] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.761220][  T507] CR2: 0000000000000000 CR3: 00000000087f0003 CR4: 0000000000772ef0
[   45.761493][  T507] PKRU: 55555554
[   45.761630][  T507] Call Trace:
[   45.761768][  T507]  <TASK>
[   45.761861][  T507]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   45.762048][  T507]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   45.762216][  T507]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[   45.762533][  T507]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   45.762710][  T507]  __cancel_work_sync (kernel/workqueue.c:4383)
[   45.762886][  T507]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   45.763067][  T507]  ? netdev_notify_peers (net/core/dev.c:1891)
[   45.763345][  T507]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.763518][  T507]  netif_close_many (net/core/dev.c:1959)
[   45.763706][  T507]  ? _raw_spin_unlock (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186)
[   45.763877][  T507]  ? __dev_close_many (net/core/dev.c:1949)
[   45.764144][  T507]  ? dev_getbyhwaddr_rcu (net/core/dev.c:10950)
[   45.764337][  T507]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.764507][  T507]  __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)
[   45.764720][  T507]  ? default_device_exit_batch (net/core/dev.c:12662)
[   45.765062][  T507]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.765250][  T507]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   45.765415][  T507]  ? rtnl_af_lookup (net/core/rtnetlink.c:2675)
[   45.765583][  T507]  ? is_bpf_text_address (kernel/bpf/core.c:749)
[   45.765760][  T507]  ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94)
[   45.765935][  T507]  do_setlink.constprop.0 (net/core/rtnetlink.c:3060)
[   45.766108][  T507]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   45.766385][  T507]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.766552][  T507]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   45.766722][  T507]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.766894][  T507]  ? __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)
[   45.767173][  T507]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   45.767338][  T507]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   45.767505][  T507]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   45.767677][  T507]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   45.767955][  T507]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   45.768129][  T507]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   45.768294][  T507]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   45.768461][  T507]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   45.768729][  T507]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   45.768905][  T507]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   45.769075][  T507]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   45.769247][  T507]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   45.769515][  T507]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.769687][  T507]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.769859][  T507]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   45.770026][  T507]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   45.770294][  T507]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   45.770460][  T507]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   45.770627][  T507]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   45.770801][  T507]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.771087][  T507]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   45.771255][  T507]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   45.771421][  T507]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   45.771591][  T507]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   45.771889][  T507]  ? 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)
[   45.772072][  T507]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   45.772243][  T507]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   45.772411][  T507]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.772580][  T507]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   45.772752][  T507]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   45.772922][  T507]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   45.773094][  T507]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   45.773364][  T507]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   45.773537][  T507]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   45.773776][  T507]  ? __copy_msghdr (net/socket.c:2556)
[   45.773948][  T507]  ___sys_sendmsg (net/socket.c:2686)
[   45.774224][  T507]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   45.774392][  T507]  ? __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)
[   45.774602][  T507]  ? copy_msghdr_from_user (net/socket.c:2673)
[   45.774774][  T507]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.775047][  T507]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.775221][  T507]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.775387][  T507]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   45.775554][  T507]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   45.775826][  T507]  __sys_sendmsg (net/socket.c:2716)
[   45.775990][  T507]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   45.776194][  T507]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   45.776361][  T507]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   45.776633][  T507]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   45.776807][  T507]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   45.777013][  T507] RIP: 0033:0x7fae53e7a1d7
[   45.777293][  T507] 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)
[   45.777886][  T507] RSP: 002b:00007ffcb34e8d58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   45.778251][  T507] RAX: ffffffffffffffda RBX: 00007ffcb34e9480 RCX: 00007fae53e7a1d7
[   45.778501][  T507] RDX: 0000000000000000 RSI: 00007ffcb34e8dc0 RDI: 0000000000000005
[   45.778857][  T507] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   45.779105][  T507] R10: 00007fae53d76f60 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