======================================
| [   88.508476][  T593] ==================================================================
| [   88.509035][  T593] 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)
| [   88.509543][  T593] Write of size 8 at addr 0000000000000000 by task ip/593
| [   88.509958][  T593]
[   88.510145][  T593] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.510152][  T593] Call Trace:
[   88.510157][  T593]  <TASK>
[   88.510160][  T593]  dump_stack_lvl (lib/dump_stack.c:123)
[   88.510177][  T593]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   88.510184][  T593]  kasan_report (mm/kasan/report.c:597)
[   88.510195][  T593]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   88.510205][  T593]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[   88.510212][  T593]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   88.510221][  T593]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   88.510226][  T593]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   88.510233][  T593]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[   88.510239][  T593]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   88.510249][  T593]  __cancel_work_sync (kernel/workqueue.c:4383)
[   88.510256][  T593]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   88.510265][  T593]  ? netdev_notify_peers (net/core/dev.c:1891)
[   88.510273][  T593]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   88.510281][  T593]  __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)
[   88.510289][  T593]  ? netif_set_allmulti (net/core/dev.c:9890)
[   88.510299][  T593]  netif_change_flags (net/core/dev.c:9989)
[   88.510307][  T593]  dev_change_flags (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:69)
[   88.510314][  T593] cycle_netdev (drivers/net/vrf.c:1052) vrf
[   88.510325][  T593] vrf_del_slave (drivers/net/vrf.c:1119) vrf
[   88.510334][  T593]  do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2948)
[   88.510342][  T593]  do_setlink.constprop.0 (net/core/rtnetlink.c:3165)
[   88.510351][  T593]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   88.510362][  T593]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   88.510372][  T593]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   88.510383][  T593]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.510392][  T593]  ? __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)
[   88.510399][  T593]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   88.510404][  T593]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   88.510413][  T593]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   88.510417][  T593]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   88.510422][  T593]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   88.510428][  T593]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   88.510432][  T593]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   88.510436][  T593]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   88.510440][  T593]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   88.510447][  T593]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   88.510454][  T593]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   88.510460][  T593]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   88.510464][  T593]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.510474][  T593]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.510481][  T593]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   88.510486][  T593]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   88.510493][  T593]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   88.510499][  T593]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   88.510506][  T593]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   88.510511][  T593]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.510524][  T593]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   88.510530][  T593]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   88.510537][  T593]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   88.510550][  T593]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   88.510556][  T593]  ? 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)
[   88.510563][  T593]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   88.510571][  T593]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   88.510578][  T593]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.510588][  T593]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   88.510596][  T593]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   88.510603][  T593]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   88.510612][  T593]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   88.510619][  T593]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   88.510627][  T593]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   88.510633][  T593]  ? __copy_msghdr (net/socket.c:2556)
[   88.510646][  T593]  ___sys_sendmsg (net/socket.c:2686)
[   88.510652][  T593]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   88.510656][  T593]  ? __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)
[   88.510665][  T593]  ? copy_msghdr_from_user (net/socket.c:2673)
[   88.510674][  T593]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.510682][  T593]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.510692][  T593]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.510699][  T593]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   88.510706][  T593]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   88.510719][  T593]  __sys_sendmsg (net/socket.c:2716)
[   88.510724][  T593]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   88.510730][  T593]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   88.510745][  T593]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   88.510752][  T593]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   88.510761][  T593]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   88.510766][  T593] RIP: 0033:0x7f98f4bd61d7
[   88.510773][  T593] 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)
[   88.510778][  T593] RSP: 002b:00007fff82f00fa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   88.510787][  T593] RAX: ffffffffffffffda RBX: 00007fff82f016d0 RCX: 00007f98f4bd61d7
[   88.510791][  T593] RDX: 0000000000000000 RSI: 00007fff82f01010 RDI: 0000000000000005
[   88.510794][  T593] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   88.510797][  T593] R10: 0000000034e63910 R11: 0000000000000246 R12: 0000000000000004
[   88.510800][  T593] R13: 00000000691cc2c4 R14: 0000000000499600 R15: 0000000000000000
| [   88.534067][  T593] #PF: error_code(0x0002) - not-present page
| [   88.534305][  T593] PGD 90f2067 P4D 90f2067 PUD c8fc067 PMD 0
| [   88.534547][  T593] Oops: Oops: 0002 [#1] SMP KASAN
| [   88.535248][  T593] Tainted: [B]=BAD_PAGE
[   88.535392][  T593] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.535759][  T593] 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)
[   88.536009][  T593] 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
[   88.536809][  T593] RSP: 0018:ffffc900010b6e90 EFLAGS: 00010046
[   88.537047][  T593] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffa0e4090a
[   88.537452][  T593] RDX: fffffbfff4a0f2cd RSI: 0000000000000008 RDI: ffffffffa5079660
[   88.537737][  T593] RBP: ffffc900010b6ef8 R08: 0000000000000001 R09: fffffbfff4a0f2cc
[   88.538021][  T593] R10: ffffffffa5079667 R11: ffffc900010b6980 R12: 0000000000000000
[   88.538312][  T593] R13: 0000000000000286 R14: ffff8880026b1000 R15: dffffc0000000000
[   88.538608][  T593] FS:  00007f98f4a08800(0000) GS:ffff8880912f2000(0000) knlGS:0000000000000000
[   88.539063][  T593] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.539302][  T593] CR2: 0000000000000000 CR3: 0000000002397002 CR4: 0000000000772ef0
[   88.539591][  T593] PKRU: 55555554
[   88.539736][  T593] Call Trace:
[   88.540000][  T593]  <TASK>
[   88.540106][  T593]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   88.540298][  T593]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   88.540490][  T593]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[   88.540677][  T593]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   88.540988][  T593]  __cancel_work_sync (kernel/workqueue.c:4383)
[   88.541179][  T593]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   88.541369][  T593]  ? netdev_notify_peers (net/core/dev.c:1891)
[   88.541567][  T593]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   88.541874][  T593]  __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)
[   88.542065][  T593]  ? netif_set_allmulti (net/core/dev.c:9890)
[   88.542256][  T593]  netif_change_flags (net/core/dev.c:9989)
[   88.542444][  T593]  dev_change_flags (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:69)
[   88.542751][  T593] cycle_netdev (drivers/net/vrf.c:1052) vrf
[   88.542942][  T593] vrf_del_slave (drivers/net/vrf.c:1119) vrf
[   88.543132][  T593]  do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2948)
[   88.543328][  T593]  do_setlink.constprop.0 (net/core/rtnetlink.c:3165)
[   88.543660][  T593]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   88.543851][  T593]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   88.544041][  T593]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   88.544233][  T593]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.544537][  T593]  ? __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)
[   88.544726][  T593]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   88.544920][  T593]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   88.545111][  T593]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   88.545301][  T593]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   88.545491][  T593]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   88.545680][  T593]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   88.545871][  T593]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   88.546177][  T593]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   88.546364][  T593]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   88.546558][  T593]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   88.546749][  T593]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   88.547060][  T593]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   88.547249][  T593]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.547439][  T593]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.547629][  T593]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   88.547931][  T593]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   88.548120][  T593]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   88.548311][  T593]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   88.548500][  T593]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   88.548804][  T593]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.548997][  T593]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   88.549184][  T593]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   88.549373][  T593]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   88.549681][  T593]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   88.549872][  T593]  ? 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)
[   88.550066][  T593]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   88.550256][  T593]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   88.550563][  T593]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.550755][  T593]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   88.550942][  T593]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   88.551131][  T593]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   88.551324][  T593]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   88.551518][  T593]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   88.551718][  T593]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   88.552070][  T593]  ? __copy_msghdr (net/socket.c:2556)
[   88.552265][  T593]  ___sys_sendmsg (net/socket.c:2686)
[   88.552451][  T593]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   88.552640][  T593]  ? __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)
[   88.552991][  T593]  ? copy_msghdr_from_user (net/socket.c:2673)
[   88.553187][  T593]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.553375][  T593]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   88.553581][  T593]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   88.553892][  T593]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   88.554079][  T593]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   88.554269][  T593]  __sys_sendmsg (net/socket.c:2716)
[   88.554456][  T593]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   88.554808][  T593]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   88.555004][  T593]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   88.555195][  T593]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   88.555383][  T593]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   88.555733][  T593] RIP: 0033:0x7f98f4bd61d7
[   88.555931][  T593] 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)
[   88.556726][  T593] RSP: 002b:00007fff82f00fa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   88.557017][  T593] RAX: ffffffffffffffda RBX: 00007fff82f016d0 RCX: 00007f98f4bd61d7
[   88.557418][  T593] RDX: 0000000000000000 RSI: 00007fff82f01010 RDI: 0000000000000005
[   88.557704][  T593] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   88.557992][  T593] R10: 0000000034e63910 R11: 0000000000000246 R12: 0000000000000004


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