======================================
| [   20.174197][  T310] ==================================================================
| [   20.174545][  T310] 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)
| [   20.174823][  T310] Write of size 8 at addr 0000000000000000 by task ip/310
| [   20.175062][  T310]
[   20.175164][  T310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.175166][  T310] Call Trace:
[   20.175168][  T310]  <TASK>
[   20.175169][  T310]  dump_stack_lvl (lib/dump_stack.c:123)
[   20.175175][  T310]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   20.175179][  T310]  kasan_report (mm/kasan/report.c:597)
[   20.175185][  T310]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   20.175190][  T310]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[   20.175194][  T310]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   20.175199][  T310]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   20.175203][  T310]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   20.175206][  T310]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   20.175213][  T310]  ? virtnet_close (drivers/net/virtio_net.c:3898)
[   20.175219][  T310]  __cancel_work_sync (kernel/workqueue.c:4383)
[   20.175223][  T310]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   20.175229][  T310]  ? netdev_notify_peers (net/core/dev.c:1891)
[   20.175234][  T310]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   20.175243][  T310]  __dev_change_flags (./include/linux/list.h:119 ./include/linux/list.h:223 ./include/linux/list.h:237 net/core/dev.c:1945 net/core/dev.c:9924)
[   20.175248][  T310]  ? __free_zapped_classes (kernel/locking/lockdep.c:5343)
[   20.175254][  T310]  ? netif_set_allmulti (net/core/dev.c:9890)
[   20.175257][  T310]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   20.175263][  T310]  netif_change_flags (net/core/dev.c:9989)
[   20.175267][  T310]  do_setlink.constprop.0 (net/core/rtnetlink.c:3158)
[   20.175273][  T310]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   20.175278][  T310]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.175283][  T310]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   20.175287][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.175292][  T310]  ? __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)
[   20.175297][  T310]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   20.175301][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   20.175306][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   20.175309][  T310]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   20.175313][  T310]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   20.175318][  T310]  ? __create_object (mm/kmemleak.c:786)
[   20.175322][  T310]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   20.175325][  T310]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   20.175328][  T310]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   20.175332][  T310]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   20.175337][  T310]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   20.175343][  T310]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   20.175348][  T310]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   20.175351][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.175360][  T310]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.175365][  T310]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   20.175369][  T310]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   20.175373][  T310]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   20.175376][  T310]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   20.175380][  T310]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   20.175383][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.175389][  T310]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   20.175394][  T310]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   20.175398][  T310]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   20.175404][  T310]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   20.175407][  T310]  ? 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)
[   20.175411][  T310]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   20.175416][  T310]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   20.175422][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.175430][  T310]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   20.175436][  T310]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   20.175439][  T310]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   20.175445][  T310]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   20.175449][  T310]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   20.175454][  T310]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   20.175458][  T310]  ? __copy_msghdr (net/socket.c:2556)
[   20.175465][  T310]  ___sys_sendmsg (net/socket.c:2686)
[   20.175468][  T310]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   20.175472][  T310]  ? __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)
[   20.175477][  T310]  ? copy_msghdr_from_user (net/socket.c:2673)
[   20.175482][  T310]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.175486][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.175491][  T310]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.175494][  T310]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   20.175497][  T310]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   20.175503][  T310]  __sys_sendmsg (net/socket.c:2716)
[   20.175506][  T310]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   20.175509][  T310]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   20.175517][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   20.175521][  T310]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.175526][  T310]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   20.175529][  T310] RIP: 0033:0x7f2eec9411d7
[   20.175533][  T310] 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)
[   20.175536][  T310] RSP: 002b:00007ffee2a61858 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.175540][  T310] RAX: ffffffffffffffda RBX: 00007ffee2a61f80 RCX: 00007f2eec9411d7
[   20.175542][  T310] RDX: 0000000000000000 RSI: 00007ffee2a618c0 RDI: 0000000000000005
[   20.175544][  T310] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   20.175546][  T310] R10: 00007f2eec83df60 R11: 0000000000000246 R12: 0000000000000003
[   20.175548][  T310] R13: 00000000691cb905 R14: 0000000000499600 R15: 0000000000000000
| [   20.194105][  T310] #PF: error_code(0x0002) - not-present page
| [   20.194343][  T310] PGD 8211067 P4D 8211067 PUD 4bcd067 PMD 0
| [   20.194592][  T310] Oops: Oops: 0002 [#1] SMP KASAN
| [   20.195146][  T310] Tainted: [B]=BAD_PAGE
[   20.195293][  T310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.195535][  T310] 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)
[   20.195770][  T310] 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
[   20.196433][  T310] RSP: 0018:ffffc90000586f40 EFLAGS: 00010046
[   20.196663][  T310] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffac43e90a
[   20.196931][  T310] RDX: fffffbfff60c8ecd RSI: 0000000000000008 RDI: ffffffffb0647660
[   20.197206][  T310] RBP: ffffc90000586fa8 R08: 0000000000000001 R09: fffffbfff60c8ecc
[   20.197495][  T310] R10: ffffffffb0647667 R11: ffffc90000586a00 R12: 0000000000000000
[   20.197764][  T310] R13: 0000000000000282 R14: ffff88800cc22000 R15: dffffc0000000000
[   20.198042][  T310] FS:  00007f2eec773800(0000) GS:ffff888080124000(0000) knlGS:0000000000000000
[   20.198359][  T310] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.198596][  T310] CR2: 0000000000000000 CR3: 00000000057d7001 CR4: 0000000000772ef0
[   20.198863][  T310] PKRU: 55555554
[   20.199010][  T310] Call Trace:
[   20.199142][  T310]  <TASK>
[   20.199233][  T310]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   20.199450][  T310]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   20.199628][  T310]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   20.199807][  T310]  ? virtnet_close (drivers/net/virtio_net.c:3898)
[   20.199993][  T310]  __cancel_work_sync (kernel/workqueue.c:4383)
[   20.200173][  T310]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   20.200406][  T310]  ? netdev_notify_peers (net/core/dev.c:1891)
[   20.200597][  T310]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   20.200774][  T310]  __dev_change_flags (./include/linux/list.h:119 ./include/linux/list.h:223 ./include/linux/list.h:237 net/core/dev.c:1945 net/core/dev.c:9924)
[   20.200949][  T310]  ? __free_zapped_classes (kernel/locking/lockdep.c:5343)
[   20.201136][  T310]  ? netif_set_allmulti (net/core/dev.c:9890)
[   20.201319][  T310]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   20.201523][  T310]  netif_change_flags (net/core/dev.c:9989)
[   20.201804][  T310]  do_setlink.constprop.0 (net/core/rtnetlink.c:3158)
[   20.201987][  T310]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   20.202166][  T310]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.202345][  T310]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   20.202646][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.202823][  T310]  ? __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)
[   20.203018][  T310]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   20.203193][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   20.203499][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   20.203673][  T310]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   20.203849][  T310]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   20.204035][  T310]  ? __create_object (mm/kmemleak.c:786)
[   20.204215][  T310]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   20.204421][  T310]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   20.204603][  T310]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   20.204778][  T310]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   20.205090][  T310]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   20.205290][  T310]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   20.205485][  T310]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   20.205662][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.205941][  T310]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.206126][  T310]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   20.206312][  T310]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   20.206509][  T310]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   20.206788][  T310]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   20.206970][  T310]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   20.207149][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.207333][  T310]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   20.207630][  T310]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   20.207804][  T310]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   20.207995][  T310]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   20.208170][  T310]  ? 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)
[   20.208476][  T310]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   20.208650][  T310]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   20.208824][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.209011][  T310]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   20.209187][  T310]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   20.209376][  T310]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   20.209569][  T310]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   20.209743][  T310]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   20.210036][  T310]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   20.210258][  T310]  ? __copy_msghdr (net/socket.c:2556)
[   20.210453][  T310]  ___sys_sendmsg (net/socket.c:2686)
[   20.210732][  T310]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   20.210937][  T310]  ? __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)
[   20.211169][  T310]  ? copy_msghdr_from_user (net/socket.c:2673)
[   20.211356][  T310]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.211649][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.211825][  T310]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.212009][  T310]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   20.212184][  T310]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   20.212494][  T310]  __sys_sendmsg (net/socket.c:2716)
[   20.212668][  T310]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   20.212891][  T310]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   20.213078][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   20.213384][  T310]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.213566][  T310]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   20.213787][  T310] RIP: 0033:0x7f2eec9411d7
[   20.213973][  T310] 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)
[   20.214769][  T310] RSP: 002b:00007ffee2a61858 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.215156][  T310] RAX: ffffffffffffffda RBX: 00007ffee2a61f80 RCX: 00007f2eec9411d7
[   20.215441][  T310] RDX: 0000000000000000 RSI: 00007ffee2a618c0 RDI: 0000000000000005
[   20.215708][  T310] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   20.216088][  T310] R10: 00007f2eec83df60 R11: 0000000000000246 R12: 0000000000000003


Finger prints:
kasan_report:kasan_check_range:try_to_grab_pending:__cancel_work:__cancel_work_sync
try_to_grab_pending:__cancel_work:__cancel_work_sync:__dev_close_many:__dev_change_flags