======================================
| [   38.981929][  T443] ==================================================================
| [   38.982240][  T443] 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)
| [   38.982550][  T443] Write of size 8 at addr 0000000000000000 by task ip/443
| [   38.982782][  T443]
[   38.982896][  T443] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.982902][  T443] Call Trace:
[   38.982905][  T443]  <TASK>
[   38.982907][  T443]  dump_stack_lvl (lib/dump_stack.c:123)
[   38.982924][  T443]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   38.982927][  T443]  kasan_report (mm/kasan/report.c:597)
[   38.982937][  T443]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   38.982942][  T443]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[   38.982946][  T443]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   38.982949][  T443]  ? __queue_work (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 kernel/workqueue.c:2350)
[   38.982953][  T443]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   38.982958][  T443]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   38.982962][  T443]  ? queue_delayed_work_on (kernel/workqueue.c:2565 (discriminator 1))
[   38.982965][  T443]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   38.982973][  T443]  __cancel_work_sync (kernel/workqueue.c:4383)
[   38.982976][  T443]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   38.982989][  T443]  ? netdev_notify_peers (net/core/dev.c:1891)
[   38.982993][  T443]  ? netif_close_many (net/core/dev.c:1959)
[   38.982998][  T443]  netif_close_many (net/core/dev.c:1959)
[   38.983001][  T443]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.983010][  T443]  ? __dev_close_many (net/core/dev.c:1949)
[   38.983014][  T443]  ? netif_close_many_and_unlock (net/core/dev.c:12476)
[   38.983019][  T443]  unregister_netdevice_many_notify (net/core/dev.c:12545)
[   38.983023][  T443]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   38.983036][  T443]  ? dev_ingress_queue_create (net/core/dev.c:12499)
[   38.983041][  T443]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   38.983052][  T443]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   38.983057][  T443]  rtnl_dellink (net/core/rtnetlink.c:3530 net/core/rtnetlink.c:3570)
[   38.983063][  T443]  ? valid_bridge_getlink_req.constprop.0 (net/core/rtnetlink.c:3536)
[   38.983082][  T443]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.983087][  T443]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.983093][  T443]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.983097][  T443]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   38.983102][  T443]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   38.983108][  T443]  ? valid_bridge_getlink_req.constprop.0 (net/core/rtnetlink.c:3536)
[   38.983111][  T443]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   38.983115][  T443]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   38.983118][  T443]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.983125][  T443]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   38.983132][  T443]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   38.983136][  T443]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   38.983142][  T443]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   38.983145][  T443]  ? 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)
[   38.983149][  T443]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   38.983153][  T443]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   38.983157][  T443]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.983163][  T443]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   38.983167][  T443]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   38.983171][  T443]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   38.983184][  T443]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   38.983187][  T443]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   38.983196][  T443]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   38.983199][  T443]  ? __copy_msghdr (net/socket.c:2556)
[   38.983207][  T443]  ___sys_sendmsg (net/socket.c:2686)
[   38.983210][  T443]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   38.983213][  T443]  ? __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)
[   38.983217][  T443]  ? copy_msghdr_from_user (net/socket.c:2673)
[   38.983222][  T443]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.983226][  T443]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   38.983232][  T443]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   38.983236][  T443]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   38.983238][  T443]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   38.983245][  T443]  __sys_sendmsg (net/socket.c:2716)
[   38.983248][  T443]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   38.983252][  T443]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   38.983259][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   38.983263][  T443]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   38.983269][  T443]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   38.983276][  T443] RIP: 0033:0x7f7bd14dd1d7
[   38.983281][  T443] 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)
[   38.983284][  T443] RSP: 002b:00007ffe71e7e078 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.983291][  T443] RAX: ffffffffffffffda RBX: 00007ffe71e7e7a0 RCX: 00007f7bd14dd1d7
[   38.983294][  T443] RDX: 0000000000000000 RSI: 00007ffe71e7e0e0 RDI: 0000000000000005
[   38.983295][  T443] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[   38.983297][  T443] R10: 00007f7bd13d9f60 R11: 0000000000000246 R12: 0000000000000002
[   38.983299][  T443] R13: 00000000691ccbaa R14: 0000000000499600 R15: 0000000000000000
| [   38.999416][  T443] #PF: error_code(0x0002) - not-present page
| [   38.999630][  T443] PGD 8b6d067 P4D 8b6d067 PUD 233f067 PMD 0
| [   38.999865][  T443] Oops: Oops: 0002 [#1] SMP KASAN
| [   39.000397][  T443] Tainted: [B]=BAD_PAGE
[   39.000534][  T443] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.000762][  T443] 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)
[   39.000992][  T443] 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
[   39.001614][  T443] RSP: 0018:ffffc90000c26f18 EFLAGS: 00010046
[   39.001843][  T443] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffb6c4090a
[   39.002104][  T443] RDX: fffffbfff75cf2cd RSI: 0000000000000008 RDI: ffffffffbae79660
[   39.002382][  T443] RBP: ffffc90000c26f80 R08: 0000000000000001 R09: fffffbfff75cf2cc
[   39.002647][  T443] R10: ffffffffbae79667 R11: ffffc90000c26a00 R12: 0000000000000000
[   39.002916][  T443] R13: 0000000000000286 R14: ffff88800a05c000 R15: dffffc0000000000
[   39.003179][  T443] FS:  00007f7bd130f800(0000) GS:ffff888075972000(0000) knlGS:0000000000000000
[   39.003490][  T443] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.003715][  T443] CR2: 0000000000000000 CR3: 0000000008ecb001 CR4: 0000000000772ef0
[   39.003987][  T443] PKRU: 55555554
[   39.004125][  T443] Call Trace:
[   39.004256][  T443]  <TASK>
[   39.004348][  T443]  ? __queue_work (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 kernel/workqueue.c:2350)
[   39.004525][  T443]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   39.004722][  T443]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   39.004905][  T443]  ? queue_delayed_work_on (kernel/workqueue.c:2565 (discriminator 1))
[   39.005079][  T443]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   39.005256][  T443]  __cancel_work_sync (kernel/workqueue.c:4383)
[   39.005431][  T443]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   39.005607][  T443]  ? netdev_notify_peers (net/core/dev.c:1891)
[   39.005781][  T443]  ? netif_close_many (net/core/dev.c:1959)
[   39.005962][  T443]  netif_close_many (net/core/dev.c:1959)
[   39.006136][  T443]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.006314][  T443]  ? __dev_close_many (net/core/dev.c:1949)
[   39.006490][  T443]  ? netif_close_many_and_unlock (net/core/dev.c:12476)
[   39.006707][  T443]  unregister_netdevice_many_notify (net/core/dev.c:12545)
[   39.006930][  T443]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   39.007109][  T443]  ? dev_ingress_queue_create (net/core/dev.c:12499)
[   39.007289][  T443]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   39.007507][  T443]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   39.007683][  T443]  rtnl_dellink (net/core/rtnetlink.c:3530 net/core/rtnetlink.c:3570)
[   39.007863][  T443]  ? valid_bridge_getlink_req.constprop.0 (net/core/rtnetlink.c:3536)
[   39.008096][  T443]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.008272][  T443]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.008450][  T443]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.008629][  T443]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   39.008809][  T443]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   39.008987][  T443]  ? valid_bridge_getlink_req.constprop.0 (net/core/rtnetlink.c:3536)
[   39.009206][  T443]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   39.009381][  T443]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   39.009555][  T443]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.009733][  T443]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   39.009915][  T443]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   39.010088][  T443]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   39.010267][  T443]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   39.010440][  T443]  ? 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)
[   39.010616][  T443]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   39.010801][  T443]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   39.010976][  T443]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.011151][  T443]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   39.011332][  T443]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   39.011506][  T443]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   39.011682][  T443]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   39.011860][  T443]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   39.012036][  T443]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   39.012251][  T443]  ? __copy_msghdr (net/socket.c:2556)
[   39.012439][  T443]  ___sys_sendmsg (net/socket.c:2686)
[   39.012615][  T443]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   39.012801][  T443]  ? __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)
[   39.013020][  T443]  ? copy_msghdr_from_user (net/socket.c:2673)
[   39.013196][  T443]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.013373][  T443]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   39.013549][  T443]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   39.013725][  T443]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   39.013903][  T443]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   39.014085][  T443]  __sys_sendmsg (net/socket.c:2716)
[   39.014258][  T443]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   39.014476][  T443]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   39.014655][  T443]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   39.014838][  T443]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   39.015014][  T443]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   39.015231][  T443] RIP: 0033:0x7f7bd14dd1d7
[   39.015418][  T443] 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)
[   39.016042][  T443] RSP: 002b:00007ffe71e7e078 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   39.016311][  T443] RAX: ffffffffffffffda RBX: 00007ffe71e7e7a0 RCX: 00007f7bd14dd1d7
[   39.016578][  T443] RDX: 0000000000000000 RSI: 00007ffe71e7e0e0 RDI: 0000000000000005
[   39.016852][  T443] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[   39.017117][  T443] R10: 00007f7bd13d9f60 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