======================================
| [   17.600135][  T291] ==================================================================
| [   17.600604][  T291] 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)
| [   17.600904][  T291] Write of size 8 at addr 0000000000000000 by task ip/291
| [   17.601148][  T291]
[   17.601263][  T291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.601265][  T291] Call Trace:
[   17.601269][  T291]  <TASK>
[   17.601272][  T291]  dump_stack_lvl (lib/dump_stack.c:123)
[   17.601294][  T291]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   17.601298][  T291]  kasan_report (mm/kasan/report.c:597)
[   17.601308][  T291]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   17.601314][  T291]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[   17.601319][  T291]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   17.601324][  T291]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   17.601327][  T291]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   17.601333][  T291]  ? qdisc_destroy (net/sched/sch_generic.c:1355)
[   17.601344][  T291]  __cancel_work_sync (kernel/workqueue.c:4383)
[   17.601348][  T291]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   17.601358][  T291]  ? netdev_notify_peers (net/core/dev.c:1891)
[   17.601362][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   17.601369][  T291]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   17.601375][  T291]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   17.601391][  T291]  netif_close_many (net/core/dev.c:1959)
[   17.601396][  T291]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   17.601400][  T291]  ? __dev_close_many (net/core/dev.c:1949)
[   17.601404][  T291]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   17.601409][  T291]  netif_close_many_and_unlock (net/core/dev.c:12476)
[   17.601416][  T291]  unregister_netdevice_many_notify (net/core/dev.c:12539)
[   17.601422][  T291]  ? rtnl_dellink (net/core/rtnetlink.c:3564)
[   17.601427][  T291]  ? dev_ingress_queue_create (net/core/dev.c:12499)
[   17.601430][  T291]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.601433][  T291]  ? unregister_netdevice_queue (net/core/dev.c:12442)
[   17.601436][  T291]  ? unregister_netdevice_many (net/core/dev.c:12441)
[   17.601439][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.601444][  T291]  ? __nla_validate_parse (./include/net/netlink.h:1307 (discriminator 1) lib/nlattr.c:622 (discriminator 1))
[   17.601464][  T291]  rtnl_dellink (net/core/rtnetlink.c:3530 net/core/rtnetlink.c:3570)
[   17.601470][  T291]  ? valid_bridge_getlink_req.constprop.0 (net/core/rtnetlink.c:3536)
[   17.601489][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.601494][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.601499][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.601502][  T291]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   17.601505][  T291]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   17.601509][  T291]  ? valid_bridge_getlink_req.constprop.0 (net/core/rtnetlink.c:3536)
[   17.601513][  T291]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   17.601516][  T291]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   17.601519][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.601526][  T291]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   17.601532][  T291]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   17.601536][  T291]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   17.601543][  T291]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   17.601547][  T291]  ? 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)
[   17.601551][  T291]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   17.601556][  T291]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   17.601560][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.601565][  T291]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   17.601570][  T291]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   17.601573][  T291]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   17.601580][  T291]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   17.601584][  T291]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   17.601591][  T291]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   17.601595][  T291]  ? __copy_msghdr (net/socket.c:2556)
[   17.601603][  T291]  ___sys_sendmsg (net/socket.c:2686)
[   17.601605][  T291]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   17.601607][  T291]  ? __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)
[   17.601616][  T291]  ? copy_msghdr_from_user (net/socket.c:2673)
[   17.601622][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.601626][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.601631][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.601634][  T291]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   17.601647][  T291]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   17.601652][  T291]  __sys_sendmsg (net/socket.c:2716)
[   17.601655][  T291]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   17.601658][  T291]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   17.601665][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   17.601668][  T291]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.601674][  T291]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   17.601681][  T291] RIP: 0033:0x7f38e0d2a1d7
[   17.601692][  T291] 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)
[   17.601695][  T291] RSP: 002b:00007ffd721ad418 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   17.601703][  T291] RAX: ffffffffffffffda RBX: 00007ffd721adb50 RCX: 00007f38e0d2a1d7
[   17.601706][  T291] RDX: 0000000000000000 RSI: 00007ffd721ad480 RDI: 0000000000000005
[   17.601708][  T291] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[   17.601709][  T291] R10: 00007f38e0c26510 R11: 0000000000000246 R12: 0000000000000002
[   17.601711][  T291] R13: 00000000691ccb91 R14: 0000000000499600 R15: 0000000000000000
| [   17.618172][  T291] #PF: error_code(0x0002) - not-present page
| [   17.618391][  T291] PGD 8973067 P4D 8973067 PUD 8972067 PMD 0
| [   17.618630][  T291] Oops: Oops: 0002 [#1] SMP KASAN
| [   17.619163][  T291] Tainted: [B]=BAD_PAGE
[   17.619307][  T291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.619536][  T291] 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)
[   17.619777][  T291] 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 af 80 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 af 80 81 00       	call   0x8180d9
  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
[   17.620382][  T291] RSP: 0018:ffffc90000676eb8 EFLAGS: 00010046
[   17.620621][  T291] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9e43e90a
[   17.620883][  T291] RDX: fffffbfff44cdecd RSI: 0000000000000008 RDI: ffffffffa266f660
[   17.621146][  T291] RBP: ffffc90000676f20 R08: 0000000000000001 R09: fffffbfff44cdecc
[   17.621409][  T291] R10: ffffffffa266f667 R11: ffffc90000676980 R12: 0000000000000000
[   17.621673][  T291] R13: 0000000000000286 R14: ffff888008804000 R15: dffffc0000000000
[   17.621929][  T291] FS:  00007f38e0b5c800(0000) GS:ffff888093bfc000(0000) knlGS:0000000000000000
[   17.622236][  T291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.622467][  T291] CR2: 0000000000000000 CR3: 000000000563b005 CR4: 0000000000772ef0
[   17.622725][  T291] PKRU: 55555554
[   17.622862][  T291] Call Trace:
[   17.623021][  T291]  <TASK>
[   17.623121][  T291]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   17.623297][  T291]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   17.623482][  T291]  ? qdisc_destroy (net/sched/sch_generic.c:1355)
[   17.623656][  T291]  __cancel_work_sync (kernel/workqueue.c:4383)
[   17.623827][  T291]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   17.623997][  T291]  ? netdev_notify_peers (net/core/dev.c:1891)
[   17.624165][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   17.624334][  T291]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   17.624513][  T291]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   17.624690][  T291]  netif_close_many (net/core/dev.c:1959)
[   17.624861][  T291]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   17.625031][  T291]  ? __dev_close_many (net/core/dev.c:1949)
[   17.625202][  T291]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   17.625371][  T291]  netif_close_many_and_unlock (net/core/dev.c:12476)
[   17.625550][  T291]  unregister_netdevice_many_notify (net/core/dev.c:12539)
[   17.625762][  T291]  ? rtnl_dellink (net/core/rtnetlink.c:3564)
[   17.625934][  T291]  ? dev_ingress_queue_create (net/core/dev.c:12499)
[   17.626110][  T291]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   17.626280][  T291]  ? unregister_netdevice_queue (net/core/dev.c:12442)
[   17.626499][  T291]  ? unregister_netdevice_many (net/core/dev.c:12441)
[   17.626667][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.626838][  T291]  ? __nla_validate_parse (./include/net/netlink.h:1307 (discriminator 1) lib/nlattr.c:622 (discriminator 1))
[   17.627010][  T291]  rtnl_dellink (net/core/rtnetlink.c:3530 net/core/rtnetlink.c:3570)
[   17.627181][  T291]  ? valid_bridge_getlink_req.constprop.0 (net/core/rtnetlink.c:3536)
[   17.627410][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.627590][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.627762][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.627932][  T291]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   17.628100][  T291]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   17.628271][  T291]  ? valid_bridge_getlink_req.constprop.0 (net/core/rtnetlink.c:3536)
[   17.628496][  T291]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   17.628666][  T291]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   17.628837][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.629009][  T291]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   17.629179][  T291]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   17.629348][  T291]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   17.629529][  T291]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   17.629697][  T291]  ? 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)
[   17.629868][  T291]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   17.630038][  T291]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   17.630212][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.630383][  T291]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   17.630557][  T291]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   17.630726][  T291]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   17.630899][  T291]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   17.631067][  T291]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   17.631249][  T291]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   17.631465][  T291]  ? __copy_msghdr (net/socket.c:2556)
[   17.631639][  T291]  ___sys_sendmsg (net/socket.c:2686)
[   17.631807][  T291]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   17.631977][  T291]  ? __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)
[   17.632189][  T291]  ? copy_msghdr_from_user (net/socket.c:2673)
[   17.632358][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.632540][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   17.632710][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   17.632879][  T291]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   17.633059][  T291]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   17.633232][  T291]  __sys_sendmsg (net/socket.c:2716)
[   17.633402][  T291]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   17.633622][  T291]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   17.633794][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   17.633968][  T291]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.634137][  T291]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   17.634349][  T291] RIP: 0033:0x7f38e0d2a1d7
[   17.634547][  T291] 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)
[   17.635279][  T291] RSP: 002b:00007ffd721ad418 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   17.635550][  T291] RAX: ffffffffffffffda RBX: 00007ffd721adb50 RCX: 00007f38e0d2a1d7
[   17.635916][  T291] RDX: 0000000000000000 RSI: 00007ffd721ad480 RDI: 0000000000000005
[   17.636174][  T291] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[   17.636440][  T291] R10: 00007f38e0c26510 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