======================================
| [   26.835923][  T377] ==================================================================
| [   26.836292][  T377] 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)
| [   26.836621][  T377] Write of size 8 at addr 0000000000000000 by task ip/377
| [   26.836879][  T377]
[   26.836995][  T377] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.836998][  T377] Call Trace:
[   26.837000][  T377]  <TASK>
[   26.837001][  T377]  dump_stack_lvl (lib/dump_stack.c:123)
[   26.837008][  T377]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   26.837011][  T377]  kasan_report (mm/kasan/report.c:597)
[   26.837017][  T377]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   26.837022][  T377]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[   26.837025][  T377]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   26.837030][  T377]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   26.837034][  T377]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   26.837038][  T377]  ? qdisc_destroy (net/sched/sch_generic.c:1355)
[   26.837043][  T377]  __cancel_work_sync (kernel/workqueue.c:4383)
[   26.837047][  T377]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   26.837053][  T377]  ? netdev_notify_peers (net/core/dev.c:1891)
[   26.837058][  T377]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   26.837063][  T377]  __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)
[   26.837067][  T377]  ? netif_set_allmulti (net/core/dev.c:9890)
[   26.837070][  T377]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.837076][  T377]  netif_change_flags (net/core/dev.c:9989)
[   26.837081][  T377]  dev_change_flags (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:69)
[   26.837084][  T377] cycle_netdev (drivers/net/vrf.c:1052) vrf
[   26.837092][  T377] vrf_add_slave (drivers/net/vrf.c:1083 drivers/net/vrf.c:1102) vrf
[   26.837097][  T377]  do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2964)
[   26.837102][  T377]  do_setlink.constprop.0 (net/core/rtnetlink.c:3165)
[   26.837107][  T377]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   26.837112][  T377]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.837118][  T377]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   26.837123][  T377]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.837128][  T377]  ? __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)
[   26.837132][  T377]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   26.837135][  T377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   26.837139][  T377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   26.837142][  T377]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   26.837145][  T377]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   26.837150][  T377]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   26.837154][  T377]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   26.837157][  T377]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   26.837160][  T377]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   26.837165][  T377]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   26.837170][  T377]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   26.837175][  T377]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   26.837178][  T377]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.837183][  T377]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.837187][  T377]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   26.837189][  T377]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   26.837194][  T377]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   26.837197][  T377]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   26.837201][  T377]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   26.837203][  T377]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.837210][  T377]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   26.837214][  T377]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   26.837218][  T377]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   26.837225][  T377]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   26.837228][  T377]  ? 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)
[   26.837232][  T377]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   26.837236][  T377]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   26.837240][  T377]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.837245][  T377]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   26.837250][  T377]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   26.837253][  T377]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   26.837260][  T377]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   26.837263][  T377]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   26.837269][  T377]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   26.837272][  T377]  ? __copy_msghdr (net/socket.c:2556)
[   26.837279][  T377]  ___sys_sendmsg (net/socket.c:2686)
[   26.837282][  T377]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   26.837285][  T377]  ? __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)
[   26.837292][  T377]  ? copy_msghdr_from_user (net/socket.c:2673)
[   26.837300][  T377]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.837307][  T377]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.837317][  T377]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.837322][  T377]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   26.837325][  T377]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   26.837332][  T377]  __sys_sendmsg (net/socket.c:2716)
[   26.837335][  T377]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   26.837339][  T377]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   26.837347][  T377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   26.837351][  T377]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.837356][  T377]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   26.837359][  T377] RIP: 0033:0x7f910034d1d7
[   26.837364][  T377] 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)
[   26.837366][  T377] RSP: 002b:00007ffdbd1c43f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.837370][  T377] RAX: ffffffffffffffda RBX: 00007ffdbd1c4b20 RCX: 00007f910034d1d7
[   26.837372][  T377] RDX: 0000000000000000 RSI: 00007ffdbd1c4460 RDI: 0000000000000005
[   26.837374][  T377] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   26.837376][  T377] R10: 000000000f80e910 R11: 0000000000000246 R12: 0000000000000004
[   26.837378][  T377] R13: 00000000691cc6f8 R14: 0000000000499600 R15: 0000000000000000
| [   26.859371][  T377] #PF: error_code(0x0002) - not-present page
| [   26.859860][  T377] PGD cbd4067 P4D cbd4067 PUD cbd3067 PMD 0
| [   26.860254][  T377] Oops: Oops: 0002 [#1] SMP KASAN
| [   26.861166][  T377] Tainted: [B]=BAD_PAGE
[   26.861447][  T377] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.861706][  T377] 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)
[   26.861985][  T377] 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
[   26.862854][  T377] RSP: 0018:ffffc90000516e70 EFLAGS: 00010046
[   26.863134][  T377] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8a24090a
[   26.863453][  T377] RDX: fffffbfff1c8f2cd RSI: 0000000000000008 RDI: ffffffff8e479660
[   26.863908][  T377] RBP: ffffc90000516ed8 R08: 0000000000000001 R09: fffffbfff1c8f2cc
[   26.864236][  T377] R10: ffffffff8e479667 R11: ffffc90000516940 R12: 0000000000000000
[   26.864551][  T377] R13: 0000000000000282 R14: ffff8880026a9000 R15: dffffc0000000000
[   26.864865][  T377] FS:  00007f910017f800(0000) GS:ffff8880a7f72000(0000) knlGS:0000000000000000
[   26.865258][  T377] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.865528][  T377] CR2: 0000000000000000 CR3: 000000000cbdb004 CR4: 0000000000772ef0
[   26.865965][  T377] PKRU: 55555554
[   26.866136][  T377] Call Trace:
[   26.866292][  T377]  <TASK>
[   26.866403][  T377]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   26.866618][  T377]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   26.866830][  T377]  ? qdisc_destroy (net/sched/sch_generic.c:1355)
[   26.867042][  T377]  __cancel_work_sync (kernel/workqueue.c:4383)
[   26.867259][  T377]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   26.867471][  T377]  ? netdev_notify_peers (net/core/dev.c:1891)
[   26.867682][  T377]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   26.867891][  T377]  __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)
[   26.868099][  T377]  ? netif_set_allmulti (net/core/dev.c:9890)
[   26.868441][  T377]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.868767][  T377]  netif_change_flags (net/core/dev.c:9989)
[   26.868976][  T377]  dev_change_flags (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:69)
[   26.869198][  T377] cycle_netdev (drivers/net/vrf.c:1052) vrf
[   26.869408][  T377] vrf_add_slave (drivers/net/vrf.c:1083 drivers/net/vrf.c:1102) vrf
[   26.869616][  T377]  do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2964)
[   26.869941][  T377]  do_setlink.constprop.0 (net/core/rtnetlink.c:3165)
[   26.870156][  T377]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   26.870386][  T377]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.870602][  T377]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   26.870811][  T377]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.871140][  T377]  ? __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)
[   26.871494][  T377]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   26.871702][  T377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   26.871913][  T377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   26.872120][  T377]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   26.872457][  T377]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   26.872787][  T377]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   26.872989][  T377]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   26.873195][  T377]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   26.873522][  T377]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   26.873731][  T377]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   26.873952][  T377]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   26.874163][  T377]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   26.874379][  T377]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.874588][  T377]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.874794][  T377]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   26.874998][  T377]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   26.875329][  T377]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   26.875537][  T377]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   26.875741][  T377]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   26.875946][  T377]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.876155][  T377]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   26.876375][  T377]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   26.876584][  T377]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   26.876794][  T377]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   26.877119][  T377]  ? 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)
[   26.877345][  T377]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   26.877574][  T377]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   26.877787][  T377]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.878011][  T377]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   26.878221][  T377]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   26.878449][  T377]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   26.878661][  T377]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   26.878871][  T377]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   26.879081][  T377]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   26.879339][  T377]  ? __copy_msghdr (net/socket.c:2556)
[   26.879574][  T377]  ___sys_sendmsg (net/socket.c:2686)
[   26.879783][  T377]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   26.879996][  T377]  ? __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)
[   26.880259][  T377]  ? copy_msghdr_from_user (net/socket.c:2673)
[   26.880491][  T377]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.880700][  T377]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.880912][  T377]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.881123][  T377]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   26.881583][  T377]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   26.881797][  T377]  __sys_sendmsg (net/socket.c:2716)
[   26.882006][  T377]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   26.882264][  T377]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   26.882627][  T377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   26.882837][  T377]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.883045][  T377]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   26.883305][  T377] RIP: 0033:0x7f910034d1d7
[   26.883658][  T377] 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)
[   26.884534][  T377] RSP: 002b:00007ffdbd1c43f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.884849][  T377] RAX: ffffffffffffffda RBX: 00007ffdbd1c4b20 RCX: 00007f910034d1d7
[   26.885161][  T377] RDX: 0000000000000000 RSI: 00007ffdbd1c4460 RDI: 0000000000000005
[   26.885603][  T377] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   26.885917][  T377] R10: 000000000f80e910 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