======================================
| [   21.384680][  T318] ==================================================================
| [   21.385117][  T318] 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)
| [   21.385413][  T318] Write of size 8 at addr 0000000000000000 by task ip/318
| [   21.385662][  T318]
[   21.385777][  T318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.385780][  T318] Call Trace:
[   21.385782][  T318]  <TASK>
[   21.385784][  T318]  dump_stack_lvl (lib/dump_stack.c:123)
[   21.385790][  T318]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   21.385793][  T318]  kasan_report (mm/kasan/report.c:597)
[   21.385799][  T318]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   21.385804][  T318]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[   21.385808][  T318]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   21.385813][  T318]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   21.385816][  T318]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   21.385820][  T318]  ? qdisc_destroy (net/sched/sch_generic.c:1355)
[   21.385826][  T318]  __cancel_work_sync (kernel/workqueue.c:4383)
[   21.385830][  T318]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   21.385836][  T318]  ? netdev_notify_peers (net/core/dev.c:1891)
[   21.385840][  T318]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   21.385846][  T318]  __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)
[   21.385850][  T318]  ? netif_set_allmulti (net/core/dev.c:9890)
[   21.385853][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.385860][  T318]  netif_change_flags (net/core/dev.c:9989)
[   21.385864][  T318]  dev_change_flags (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:69)
[   21.385868][  T318] cycle_netdev (drivers/net/vrf.c:1052) vrf
[   21.385875][  T318] vrf_add_slave (drivers/net/vrf.c:1083 drivers/net/vrf.c:1102) vrf
[   21.385880][  T318]  do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2964)
[   21.385885][  T318]  do_setlink.constprop.0 (net/core/rtnetlink.c:3165)
[   21.385890][  T318]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   21.385896][  T318]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.385901][  T318]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   21.385907][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.385912][  T318]  ? __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)
[   21.385915][  T318]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   21.385919][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   21.385923][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   21.385926][  T318]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   21.385929][  T318]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   21.385934][  T318]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   21.385937][  T318]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   21.385941][  T318]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   21.385944][  T318]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   21.385948][  T318]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   21.385954][  T318]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   21.385959][  T318]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   21.385961][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.385967][  T318]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.385971][  T318]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   21.385973][  T318]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   21.385978][  T318]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   21.385980][  T318]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   21.385984][  T318]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   21.385986][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.385994][  T318]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   21.385997][  T318]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   21.386000][  T318]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   21.386007][  T318]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   21.386010][  T318]  ? 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)
[   21.386014][  T318]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   21.386018][  T318]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   21.386022][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.386027][  T318]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   21.386032][  T318]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   21.386035][  T318]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   21.386040][  T318]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   21.386044][  T318]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   21.386050][  T318]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   21.386053][  T318]  ? __copy_msghdr (net/socket.c:2556)
[   21.386060][  T318]  ___sys_sendmsg (net/socket.c:2686)
[   21.386063][  T318]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   21.386066][  T318]  ? __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)
[   21.386071][  T318]  ? copy_msghdr_from_user (net/socket.c:2673)
[   21.386076][  T318]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.386081][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.386086][  T318]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.386090][  T318]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   21.386095][  T318]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   21.386102][  T318]  __sys_sendmsg (net/socket.c:2716)
[   21.386105][  T318]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   21.386109][  T318]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   21.386116][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   21.386120][  T318]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.386126][  T318]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   21.386130][  T318] RIP: 0033:0x7fc202b0e1d7
[   21.386134][  T318] 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)
[   21.386136][  T318] RSP: 002b:00007fff50cac2d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.386140][  T318] RAX: ffffffffffffffda RBX: 00007fff50caca00 RCX: 00007fc202b0e1d7
[   21.386143][  T318] RDX: 0000000000000000 RSI: 00007fff50cac340 RDI: 0000000000000005
[   21.386144][  T318] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   21.386146][  T318] R10: 0000000017899910 R11: 0000000000000246 R12: 0000000000000003
[   21.386147][  T318] R13: 00000000691cc4c6 R14: 0000000000499600 R15: 0000000000000000
| [   21.405671][  T318] #PF: error_code(0x0002) - not-present page
| [   21.405914][  T318] PGD bb66067 P4D bb66067 PUD bb69067 PMD 0
| [   21.406148][  T318] Oops: Oops: 0002 [#1] SMP KASAN
| [   21.406712][  T318] Tainted: [B]=BAD_PAGE
[   21.406884][  T318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.407130][  T318] 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)
[   21.407388][  T318] 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
[   21.408076][  T318] RSP: 0018:ffffc90000ac6e70 EFLAGS: 00010046
[   21.408320][  T318] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9824090a
[   21.408598][  T318] RDX: fffffbfff388f2cd RSI: 0000000000000008 RDI: ffffffff9c479660
[   21.408883][  T318] RBP: ffffc90000ac6ed8 R08: 0000000000000001 R09: fffffbfff388f2cc
[   21.409159][  T318] R10: ffffffff9c479667 R11: ffffc90000ac6940 R12: 0000000000000000
[   21.409442][  T318] R13: 0000000000000282 R14: ffff888004f89000 R15: dffffc0000000000
[   21.409722][  T318] FS:  00007fc202940800(0000) GS:ffff888099ef2000(0000) knlGS:0000000000000000
[   21.410054][  T318] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.410294][  T318] CR2: 0000000000000000 CR3: 000000000a415004 CR4: 0000000000772ef0
[   21.410569][  T318] PKRU: 55555554
[   21.410710][  T318] Call Trace:
[   21.410873][  T318]  <TASK>
[   21.410970][  T318]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   21.411163][  T318]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   21.411361][  T318]  ? qdisc_destroy (net/sched/sch_generic.c:1355)
[   21.411558][  T318]  __cancel_work_sync (kernel/workqueue.c:4383)
[   21.411738][  T318]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   21.411936][  T318]  ? netdev_notify_peers (net/core/dev.c:1891)
[   21.412118][  T318]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   21.412310][  T318]  __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)
[   21.412497][  T318]  ? netif_set_allmulti (net/core/dev.c:9890)
[   21.412676][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.412872][  T318]  netif_change_flags (net/core/dev.c:9989)
[   21.413056][  T318]  dev_change_flags (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:69)
[   21.413238][  T318] cycle_netdev (drivers/net/vrf.c:1052) vrf
[   21.413432][  T318] vrf_add_slave (drivers/net/vrf.c:1083 drivers/net/vrf.c:1102) vrf
[   21.413615][  T318]  do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2964)
[   21.413812][  T318]  do_setlink.constprop.0 (net/core/rtnetlink.c:3165)
[   21.413998][  T318]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   21.414182][  T318]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.414377][  T318]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   21.414561][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.414742][  T318]  ? __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)
[   21.414946][  T318]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   21.415129][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   21.415330][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   21.415511][  T318]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   21.415692][  T318]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   21.415890][  T318]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   21.416073][  T318]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   21.416255][  T318]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   21.416449][  T318]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   21.416632][  T318]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   21.416829][  T318]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   21.417009][  T318]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   21.417187][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.417379][  T318]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.417561][  T318]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   21.417740][  T318]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   21.417940][  T318]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   21.418122][  T318]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   21.418326][  T318]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   21.418509][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.418693][  T318]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   21.418899][  T318]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   21.419082][  T318]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   21.419274][  T318]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   21.419462][  T318]  ? 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)
[   21.419649][  T318]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   21.419856][  T318]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   21.420040][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.420223][  T318]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   21.420420][  T318]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   21.420602][  T318]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   21.420799][  T318]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   21.420979][  T318]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   21.421166][  T318]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   21.421408][  T318]  ? __copy_msghdr (net/socket.c:2556)
[   21.421638][  T318]  ___sys_sendmsg (net/socket.c:2686)
[   21.421830][  T318]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   21.422030][  T318]  ? __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)
[   21.422262][  T318]  ? copy_msghdr_from_user (net/socket.c:2673)
[   21.422455][  T318]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.422643][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.422850][  T318]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.423033][  T318]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   21.423217][  T318]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   21.423416][  T318]  __sys_sendmsg (net/socket.c:2716)
[   21.423597][  T318]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   21.423836][  T318]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   21.424022][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   21.424207][  T318]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.424407][  T318]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   21.424629][  T318] RIP: 0033:0x7fc202b0e1d7
[   21.424835][  T318] 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)
[   21.425523][  T318] RSP: 002b:00007fff50cac2d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.425846][  T318] RAX: ffffffffffffffda RBX: 00007fff50caca00 RCX: 00007fc202b0e1d7
[   21.426148][  T318] RDX: 0000000000000000 RSI: 00007fff50cac340 RDI: 0000000000000005
[   21.426435][  T318] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[   21.426715][  T318] R10: 0000000017899910 R11: 0000000000000246 R12: 0000000000000003


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