======================================
| [   30.527268][  T365] ==================================================================
| [   30.527625][  T365] 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)
| [   30.527902][  T365] Write of size 8 at addr 0000000000000000 by task ip/365
| [   30.528114][  T365]
[   30.528247][  T365] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.528255][  T365] Call Trace:
[   30.528258][  T365]  <TASK>
[   30.528261][  T365]  dump_stack_lvl (lib/dump_stack.c:123)
[   30.528273][  T365]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   30.528278][  T365]  kasan_report (mm/kasan/report.c:597)
[   30.528290][  T365]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   30.528298][  T365]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[   30.528303][  T365]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   30.528308][  T365]  ? __queue_work (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 kernel/workqueue.c:2350)
[   30.528315][  T365]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   30.528320][  T365]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   30.528327][  T365]  ? queue_delayed_work_on (kernel/workqueue.c:2565 (discriminator 1))
[   30.528332][  T365]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   30.528343][  T365]  __cancel_work_sync (kernel/workqueue.c:4383)
[   30.528350][  T365]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   30.528359][  T365]  ? netdev_notify_peers (net/core/dev.c:1891)
[   30.528366][  T365]  ? netif_close_many (net/core/dev.c:1959)
[   30.528375][  T365]  netif_close_many (net/core/dev.c:1959)
[   30.528381][  T365]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.528389][  T365]  ? __dev_close_many (net/core/dev.c:1949)
[   30.528396][  T365]  ? netif_close_many_and_unlock (net/core/dev.c:12476)
[   30.528403][  T365]  unregister_netdevice_many_notify (net/core/dev.c:12545)
[   30.528410][  T365]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   30.528422][  T365]  ? dev_ingress_queue_create (net/core/dev.c:12499)
[   30.528431][  T365]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   30.528439][  T365]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   30.528448][  T365]  rtnl_dellink (net/core/rtnetlink.c:3530 net/core/rtnetlink.c:3570)
[   30.528455][  T365]  ? valid_bridge_getlink_req.constprop.0 (net/core/rtnetlink.c:3536)
[   30.528491][  T365]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.528496][  T365]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.528502][  T365]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.528506][  T365]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   30.528509][  T365]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   30.528514][  T365]  ? valid_bridge_getlink_req.constprop.0 (net/core/rtnetlink.c:3536)
[   30.528517][  T365]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   30.528521][  T365]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   30.528524][  T365]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.528540][  T365]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   30.528544][  T365]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   30.528547][  T365]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   30.528554][  T365]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   30.528557][  T365]  ? 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)
[   30.528562][  T365]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   30.528566][  T365]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   30.528570][  T365]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.528576][  T365]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   30.528581][  T365]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   30.528584][  T365]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   30.528592][  T365]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   30.528596][  T365]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   30.528602][  T365]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   30.528605][  T365]  ? __copy_msghdr (net/socket.c:2556)
[   30.528612][  T365]  ___sys_sendmsg (net/socket.c:2686)
[   30.528615][  T365]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   30.528618][  T365]  ? __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)
[   30.528622][  T365]  ? copy_msghdr_from_user (net/socket.c:2673)
[   30.528627][  T365]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.528632][  T365]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.528638][  T365]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.528641][  T365]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   30.528644][  T365]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   30.528651][  T365]  __sys_sendmsg (net/socket.c:2716)
[   30.528654][  T365]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   30.528657][  T365]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   30.528665][  T365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   30.528669][  T365]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.528675][  T365]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   30.528681][  T365] RIP: 0033:0x7f7dc30ce1d7
[   30.528690][  T365] 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)
[   30.528693][  T365] RSP: 002b:00007fff2987b088 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   30.528698][  T365] RAX: ffffffffffffffda RBX: 00007fff2987b7b0 RCX: 00007f7dc30ce1d7
[   30.528700][  T365] RDX: 0000000000000000 RSI: 00007fff2987b0f0 RDI: 0000000000000005
[   30.528702][  T365] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[   30.528703][  T365] R10: 00007f7dc2fcaf60 R11: 0000000000000246 R12: 0000000000000002
[   30.528705][  T365] R13: 00000000691ccda0 R14: 0000000000499600 R15: 0000000000000000
| [   30.547033][  T365] #PF: error_code(0x0002) - not-present page
| [   30.547237][  T365] PGD a4a7067 P4D a4a7067 PUD c7b0067 PMD 0
| [   30.547456][  T365] Oops: Oops: 0002 [#1] SMP KASAN
| [   30.548071][  T365] Tainted: [B]=BAD_PAGE
[   30.548199][  T365] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.548536][  T365] 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)
[   30.548759][  T365] 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
[   30.549524][  T365] RSP: 0018:ffffc900008d6f18 EFLAGS: 00010046
[   30.549736][  T365] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8c04090a
[   30.549984][  T365] RDX: fffffbfff204f2cd RSI: 0000000000000008 RDI: ffffffff90279660
[   30.550346][  T365] RBP: ffffc900008d6f80 R08: 0000000000000001 R09: fffffbfff204f2cc
[   30.550602][  T365] R10: ffffffff90279667 R11: ffffc900008d6a00 R12: 0000000000000000
[   30.550950][  T365] R13: 0000000000000286 R14: ffff88800a9f4000 R15: dffffc0000000000
[   30.551198][  T365] FS:  00007f7dc2f00800(0000) GS:ffff8880a60f2000(0000) knlGS:0000000000000000
[   30.551497][  T365] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.551817][  T365] CR2: 0000000000000000 CR3: 000000000243e003 CR4: 0000000000772ef0
[   30.552066][  T365] PKRU: 55555554
[   30.552192][  T365] Call Trace:
[   30.552325][  T365]  <TASK>
[   30.552515][  T365]  ? __queue_work (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 kernel/workqueue.c:2350)
[   30.552688][  T365]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   30.552858][  T365]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   30.553023][  T365]  ? queue_delayed_work_on (kernel/workqueue.c:2565 (discriminator 1))
[   30.553292][  T365]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   30.553509][  T365]  __cancel_work_sync (kernel/workqueue.c:4383)
[   30.553675][  T365]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   30.553843][  T365]  ? netdev_notify_peers (net/core/dev.c:1891)
[   30.554121][  T365]  ? netif_close_many (net/core/dev.c:1959)
[   30.554330][  T365]  netif_close_many (net/core/dev.c:1959)
[   30.554496][  T365]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.554670][  T365]  ? __dev_close_many (net/core/dev.c:1949)
[   30.554938][  T365]  ? netif_close_many_and_unlock (net/core/dev.c:12476)
[   30.555147][  T365]  unregister_netdevice_many_notify (net/core/dev.c:12545)
[   30.555361][  T365]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   30.555533][  T365]  ? dev_ingress_queue_create (net/core/dev.c:12499)
[   30.555820][  T365]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   30.556063][  T365]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   30.556285][  T365]  rtnl_dellink (net/core/rtnetlink.c:3530 net/core/rtnetlink.c:3570)
[   30.556522][  T365]  ? valid_bridge_getlink_req.constprop.0 (net/core/rtnetlink.c:3536)
[   30.556822][  T365]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.556995][  T365]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.557220][  T365]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.557575][  T365]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   30.557788][  T365]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   30.557999][  T365]  ? valid_bridge_getlink_req.constprop.0 (net/core/rtnetlink.c:3536)
[   30.558208][  T365]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   30.558493][  T365]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   30.558672][  T365]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.558885][  T365]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   30.559096][  T365]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   30.559437][  T365]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   30.559670][  T365]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   30.559840][  T365]  ? 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)
[   30.560057][  T365]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   30.560331][  T365]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   30.560497][  T365]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.560667][  T365]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   30.560833][  T365]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   30.561104][  T365]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   30.561278][  T365]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   30.561472][  T365]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   30.561641][  T365]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   30.561949][  T365]  ? __copy_msghdr (net/socket.c:2556)
[   30.562121][  T365]  ___sys_sendmsg (net/socket.c:2686)
[   30.562373][  T365]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   30.562543][  T365]  ? __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)
[   30.562859][  T365]  ? copy_msghdr_from_user (net/socket.c:2673)
[   30.563030][  T365]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.563201][  T365]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.563474][  T365]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.563644][  T365]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   30.563886][  T365]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   30.564061][  T365]  __sys_sendmsg (net/socket.c:2716)
[   30.564391][  T365]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   30.564610][  T365]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   30.564799][  T365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   30.565031][  T365]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.565381][  T365]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   30.565663][  T365] RIP: 0033:0x7f7dc30ce1d7
[   30.565902][  T365] 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)
[   30.566681][  T365] RSP: 002b:00007fff2987b088 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   30.567006][  T365] RAX: ffffffffffffffda RBX: 00007fff2987b7b0 RCX: 00007f7dc30ce1d7
[   30.567386][  T365] RDX: 0000000000000000 RSI: 00007fff2987b0f0 RDI: 0000000000000005
[   30.567642][  T365] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[   30.568002][  T365] R10: 00007f7dc2fcaf60 R11: 0000000000000246 R12: 0000000000000002


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