======================================
| [   22.398050][  T328] ==================================================================
| [   22.398405][  T328] 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)
| [   22.398720][  T328] Write of size 8 at addr 0000000000000000 by task ip/328
| [   22.398967][  T328]
[   22.399075][  T328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.399078][  T328] Call Trace:
[   22.399083][  T328]  <TASK>
[   22.399085][  T328]  dump_stack_lvl (lib/dump_stack.c:123)
[   22.399102][  T328]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   22.399105][  T328]  kasan_report (mm/kasan/report.c:597)
[   22.399115][  T328]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   22.399120][  T328]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[   22.399124][  T328]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   22.399129][  T328]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   22.399132][  T328]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   22.399137][  T328]  ? qdisc_destroy (net/sched/sch_generic.c:1355)
[   22.399147][  T328]  __cancel_work_sync (kernel/workqueue.c:4383)
[   22.399151][  T328]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   22.399160][  T328]  ? netdev_notify_peers (net/core/dev.c:1891)
[   22.399165][  T328]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   22.399174][  T328]  __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)
[   22.399178][  T328]  ? netif_set_allmulti (net/core/dev.c:9890)
[   22.399182][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.399191][  T328]  netif_change_flags (net/core/dev.c:9989)
[   22.399197][  T328]  dev_change_flags (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:69)
[   22.399204][  T328] cycle_netdev (drivers/net/vrf.c:1052) vrf
[   22.399214][  T328] vrf_add_slave (drivers/net/vrf.c:1083 drivers/net/vrf.c:1102) vrf
[   22.399222][  T328]  do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2964)
[   22.399230][  T328]  do_setlink.constprop.0 (net/core/rtnetlink.c:3165)
[   22.399236][  T328]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   22.399241][  T328]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.399252][  T328]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   22.399258][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.399263][  T328]  ? __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)
[   22.399267][  T328]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   22.399270][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   22.399275][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   22.399278][  T328]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   22.399282][  T328]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   22.399292][  T328]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   22.399295][  T328]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   22.399298][  T328]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   22.399304][  T328]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   22.399317][  T328]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   22.399322][  T328]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   22.399327][  T328]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   22.399331][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.399337][  T328]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.399341][  T328]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   22.399344][  T328]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   22.399348][  T328]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   22.399351][  T328]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   22.399355][  T328]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   22.399357][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.399365][  T328]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   22.399372][  T328]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   22.399376][  T328]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   22.399383][  T328]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   22.399386][  T328]  ? 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)
[   22.399390][  T328]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   22.399394][  T328]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   22.399398][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.399403][  T328]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   22.399408][  T328]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   22.399412][  T328]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   22.399422][  T328]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   22.399426][  T328]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   22.399434][  T328]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   22.399438][  T328]  ? __copy_msghdr (net/socket.c:2556)
[   22.399446][  T328]  ___sys_sendmsg (net/socket.c:2686)
[   22.399449][  T328]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   22.399452][  T328]  ? __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)
[   22.399459][  T328]  ? copy_msghdr_from_user (net/socket.c:2673)
[   22.399464][  T328]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.399469][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.399475][  T328]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.399478][  T328]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   22.399486][  T328]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   22.399492][  T328]  __sys_sendmsg (net/socket.c:2716)
[   22.399495][  T328]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   22.399499][  T328]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   22.399507][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   22.399511][  T328]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.399518][  T328]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   22.399522][  T328] RIP: 0033:0x7f117759e1d7
[   22.399528][  T328] 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)
[   22.399531][  T328] RSP: 002b:00007fffb68751f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.399536][  T328] RAX: ffffffffffffffda RBX: 00007fffb6875920 RCX: 00007f117759e1d7
[   22.399539][  T328] RDX: 0000000000000000 RSI: 00007fffb6875260 RDI: 0000000000000005
[   22.399541][  T328] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.399543][  T328] R10: 0000000007d7e910 R11: 0000000000000246 R12: 0000000000000004
[   22.399545][  T328] R13: 00000000691cd651 R14: 0000000000499600 R15: 0000000000000000
| [   22.419200][  T328] #PF: error_code(0x0002) - not-present page
| [   22.419456][  T328] PGD 4d74067 P4D 4d74067 PUD 11891067 PMD 0
| [   22.419700][  T328] Oops: Oops: 0002 [#1] SMP KASAN
| [   22.420278][  T328] Tainted: [B]=BAD_PAGE
[   22.420430][  T328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.420662][  T328] 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)
[   22.420931][  T328] 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
[   22.421602][  T328] RSP: 0018:ffffc900008e6e70 EFLAGS: 00010046
[   22.421854][  T328] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffba64090a
[   22.422140][  T328] RDX: fffffbfff7d0f2cd RSI: 0000000000000008 RDI: ffffffffbe879660
[   22.422421][  T328] RBP: ffffc900008e6ed8 R08: 0000000000000001 R09: fffffbfff7d0f2cc
[   22.422698][  T328] R10: ffffffffbe879667 R11: ffffc900008e6940 R12: 0000000000000000
[   22.423245][  T328] R13: 0000000000000282 R14: ffff8880114f1000 R15: dffffc0000000000
[   22.423530][  T328] FS:  00007f11773d0800(0000) GS:ffff888077b72000(0000) knlGS:0000000000000000
[   22.423871][  T328] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.424244][  T328] CR2: 0000000000000000 CR3: 000000000e9aa002 CR4: 0000000000772ef0
[   22.424652][  T328] PKRU: 55555554
[   22.424803][  T328] Call Trace:
[   22.424950][  T328]  <TASK>
[   22.425174][  T328]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   22.425370][  T328]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   22.425561][  T328]  ? qdisc_destroy (net/sched/sch_generic.c:1355)
[   22.425755][  T328]  __cancel_work_sync (kernel/workqueue.c:4383)
[   22.425955][  T328]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   22.426155][  T328]  ? netdev_notify_peers (net/core/dev.c:1891)
[   22.426348][  T328]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   22.426779][  T328]  __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)
[   22.426981][  T328]  ? netif_set_allmulti (net/core/dev.c:9890)
[   22.427309][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.427502][  T328]  netif_change_flags (net/core/dev.c:9989)
[   22.427689][  T328]  dev_change_flags (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:69)
[   22.427884][  T328] cycle_netdev (drivers/net/vrf.c:1052) vrf
[   22.428092][  T328] vrf_add_slave (drivers/net/vrf.c:1083 drivers/net/vrf.c:1102) vrf
[   22.428411][  T328]  do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2964)
[   22.428596][  T328]  do_setlink.constprop.0 (net/core/rtnetlink.c:3165)
[   22.428787][  T328]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   22.429107][  T328]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.429311][  T328]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   22.429503][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.429690][  T328]  ? __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)
[   22.430037][  T328]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   22.430357][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   22.430558][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   22.430767][  T328]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   22.430966][  T328]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   22.431184][  T328]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   22.431371][  T328]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   22.431563][  T328]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   22.431757][  T328]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   22.431970][  T328]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   22.432174][  T328]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   22.432479][  T328]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   22.432665][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.433108][  T328]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.433293][  T328]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   22.433484][  T328]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   22.433668][  T328]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   22.433875][  T328]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   22.434075][  T328]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   22.434262][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.434456][  T328]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   22.434662][  T328]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   22.434862][  T328]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   22.435081][  T328]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   22.435276][  T328]  ? 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)
[   22.435591][  T328]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   22.435783][  T328]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   22.436103][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.436288][  T328]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   22.436475][  T328]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   22.436654][  T328]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   22.436904][  T328]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   22.437244][  T328]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   22.437444][  T328]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   22.437669][  T328]  ? __copy_msghdr (net/socket.c:2556)
[   22.437857][  T328]  ___sys_sendmsg (net/socket.c:2686)
[   22.438164][  T328]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   22.438351][  T328]  ? __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)
[   22.438589][  T328]  ? copy_msghdr_from_user (net/socket.c:2673)
[   22.438891][  T328]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.439197][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.439400][  T328]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.439587][  T328]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   22.439899][  T328]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   22.440092][  T328]  __sys_sendmsg (net/socket.c:2716)
[   22.440281][  T328]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   22.440664][  T328]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   22.440857][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   22.441063][  T328]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.441258][  T328]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   22.441501][  T328] RIP: 0033:0x7f117759e1d7
[   22.441731][  T328] 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)
[   22.442651][  T328] RSP: 002b:00007fffb68751f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.443069][  T328] RAX: ffffffffffffffda RBX: 00007fffb6875920 RCX: 00007f117759e1d7
[   22.443463][  T328] RDX: 0000000000000000 RSI: 00007fffb6875260 RDI: 0000000000000005
[   22.443890][  T328] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.444175][  T328] R10: 0000000007d7e910 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