======================================
| [   26.781055][  T375] ==================================================================
| [   26.781421][  T375] 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)
| [   26.781785][  T375] Write of size 8 at addr 0000000000000000 by task ip/375
| [   26.782063][  T375]
[   26.782181][  T375] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.782183][  T375] Call Trace:
[   26.782187][  T375]  <TASK>
[   26.782189][  T375]  dump_stack_lvl (lib/dump_stack.c:123)
[   26.782206][  T375]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   26.782209][  T375]  kasan_report (mm/kasan/report.c:597)
[   26.782216][  T375]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   26.782221][  T375]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[   26.782225][  T375]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   26.782230][  T375]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   26.782233][  T375]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   26.782238][  T375]  ? qdisc_destroy (net/sched/sch_generic.c:1355)
[   26.782245][  T375]  __cancel_work_sync (kernel/workqueue.c:4383)
[   26.782249][  T375]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   26.782258][  T375]  ? netdev_notify_peers (net/core/dev.c:1891)
[   26.782263][  T375]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   26.782269][  T375]  __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)
[   26.782273][  T375]  ? netif_set_allmulti (net/core/dev.c:9890)
[   26.782277][  T375]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.782284][  T375]  netif_change_flags (net/core/dev.c:9989)
[   26.782288][  T375]  dev_change_flags (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:69)
[   26.782292][  T375] cycle_netdev (drivers/net/vrf.c:1052) vrf
[   26.782301][  T375] vrf_add_slave (drivers/net/vrf.c:1083 drivers/net/vrf.c:1102) vrf
[   26.782306][  T375]  do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2964)
[   26.782313][  T375]  do_setlink.constprop.0 (net/core/rtnetlink.c:3165)
[   26.782318][  T375]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   26.782323][  T375]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.782331][  T375]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   26.782336][  T375]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.782341][  T375]  ? __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)
[   26.782345][  T375]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   26.782348][  T375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   26.782353][  T375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   26.782356][  T375]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   26.782359][  T375]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   26.782371][  T375]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   26.782374][  T375]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   26.782377][  T375]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   26.782381][  T375]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   26.782387][  T375]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   26.782393][  T375]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   26.782397][  T375]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   26.782400][  T375]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.782406][  T375]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.782410][  T375]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   26.782412][  T375]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   26.782417][  T375]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   26.782419][  T375]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   26.782423][  T375]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   26.782426][  T375]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.782433][  T375]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   26.782438][  T375]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   26.782442][  T375]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   26.782448][  T375]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   26.782451][  T375]  ? 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)
[   26.782455][  T375]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   26.782459][  T375]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   26.782463][  T375]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.782468][  T375]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   26.782473][  T375]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   26.782476][  T375]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   26.782487][  T375]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   26.782490][  T375]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   26.782497][  T375]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   26.782500][  T375]  ? __copy_msghdr (net/socket.c:2556)
[   26.782508][  T375]  ___sys_sendmsg (net/socket.c:2686)
[   26.782511][  T375]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   26.782513][  T375]  ? __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)
[   26.782520][  T375]  ? copy_msghdr_from_user (net/socket.c:2673)
[   26.782525][  T375]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.782530][  T375]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.782535][  T375]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.782539][  T375]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   26.782545][  T375]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   26.782552][  T375]  __sys_sendmsg (net/socket.c:2716)
[   26.782555][  T375]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   26.782558][  T375]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   26.782566][  T375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   26.782570][  T375]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.782577][  T375]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   26.782585][  T375] RIP: 0033:0x7ff5cbbaa1d7
[   26.782592][  T375] 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)
[   26.782595][  T375] RSP: 002b:00007ffd853fc2f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.782603][  T375] RAX: ffffffffffffffda RBX: 00007ffd853fca20 RCX: 00007ff5cbbaa1d7
[   26.782605][  T375] RDX: 0000000000000000 RSI: 00007ffd853fc360 RDI: 0000000000000005
[   26.782607][  T375] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   26.782609][  T375] R10: 00000000139bb910 R11: 0000000000000246 R12: 0000000000000004
[   26.782611][  T375] R13: 00000000691cc6d1 R14: 0000000000499600 R15: 0000000000000000
| [   26.802476][  T375] #PF: error_code(0x0002) - not-present page
| [   26.802733][  T375] PGD 11b39067 P4D 11b39067 PUD 8baa067 PMD 0
| [   26.802977][  T375] Oops: Oops: 0002 [#1] SMP KASAN
| [   26.803569][  T375] Tainted: [B]=BAD_PAGE
[   26.803716][  T375] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.803958][  T375] 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)
[   26.804223][  T375] 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
[   26.804885][  T375] RSP: 0018:ffffc900006f6e70 EFLAGS: 00010046
[   26.805144][  T375] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9304090a
[   26.805429][  T375] RDX: fffffbfff2e4f2cd RSI: 0000000000000008 RDI: ffffffff97279660
[   26.805721][  T375] RBP: ffffc900006f6ed8 R08: 0000000000000001 R09: fffffbfff2e4f2cc
[   26.805999][  T375] R10: ffffffff97279667 R11: ffffc900006f6940 R12: 0000000000000000
[   26.806295][  T375] R13: 0000000000000282 R14: ffff88801175c000 R15: dffffc0000000000
[   26.806570][  T375] FS:  00007ff5cb9dc800(0000) GS:ffff88809f0f2000(0000) knlGS:0000000000000000
[   26.806934][  T375] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.807170][  T375] CR2: 0000000000000000 CR3: 0000000008420006 CR4: 0000000000772ef0
[   26.807449][  T375] PKRU: 55555554
[   26.807588][  T375] Call Trace:
[   26.807739][  T375]  <TASK>
[   26.807841][  T375]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   26.808031][  T375]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   26.808224][  T375]  ? qdisc_destroy (net/sched/sch_generic.c:1355)
[   26.808417][  T375]  __cancel_work_sync (kernel/workqueue.c:4383)
[   26.808599][  T375]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   26.808787][  T375]  ? netdev_notify_peers (net/core/dev.c:1891)
[   26.808999][  T375]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   26.809181][  T375]  __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)
[   26.809373][  T375]  ? netif_set_allmulti (net/core/dev.c:9890)
[   26.809557][  T375]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.809757][  T375]  netif_change_flags (net/core/dev.c:9989)
[   26.809947][  T375]  dev_change_flags (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:69)
[   26.810131][  T375] cycle_netdev (drivers/net/vrf.c:1052) vrf
[   26.810318][  T375] vrf_add_slave (drivers/net/vrf.c:1083 drivers/net/vrf.c:1102) vrf
[   26.810502][  T375]  do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2964)
[   26.810690][  T375]  do_setlink.constprop.0 (net/core/rtnetlink.c:3165)
[   26.810875][  T375]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   26.811060][  T375]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.811253][  T375]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   26.811438][  T375]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.811621][  T375]  ? __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)
[   26.811805][  T375]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   26.812004][  T375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   26.812187][  T375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   26.812368][  T375]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   26.812554][  T375]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   26.812739][  T375]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   26.812924][  T375]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   26.813106][  T375]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   26.813289][  T375]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   26.813472][  T375]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   26.813655][  T375]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   26.813838][  T375]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   26.814026][  T375]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.814219][  T375]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.814408][  T375]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   26.814598][  T375]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   26.814791][  T375]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   26.814979][  T375]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   26.815292][  T375]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   26.815474][  T375]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.815665][  T375]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   26.815859][  T375]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   26.816157][  T375]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   26.816352][  T375]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   26.816532][  T375]  ? 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)
[   26.816712][  T375]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   26.817013][  T375]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   26.817199][  T375]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.817387][  T375]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   26.817602][  T375]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   26.817924][  T375]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   26.818106][  T375]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   26.818292][  T375]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   26.818474][  T375]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   26.818818][  T375]  ? __copy_msghdr (net/socket.c:2556)
[   26.819008][  T375]  ___sys_sendmsg (net/socket.c:2686)
[   26.819195][  T375]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   26.819380][  T375]  ? __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)
[   26.819725][  T375]  ? copy_msghdr_from_user (net/socket.c:2673)
[   26.819909][  T375]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.820093][  T375]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.820392][  T375]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.820581][  T375]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   26.820769][  T375]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   26.820957][  T375]  __sys_sendmsg (net/socket.c:2716)
[   26.821257][  T375]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   26.821487][  T375]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   26.821674][  T375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   26.821883][  T375]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.822186][  T375]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   26.822420][  T375] RIP: 0033:0x7ff5cbbaa1d7
[   26.822625][  T375] 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)
[   26.823411][  T375] RSP: 002b:00007ffd853fc2f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.823698][  T375] RAX: ffffffffffffffda RBX: 00007ffd853fca20 RCX: 00007ff5cbbaa1d7
[   26.824109][  T375] RDX: 0000000000000000 RSI: 00007ffd853fc360 RDI: 0000000000000005
[   26.824383][  T375] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   26.824779][  T375] R10: 00000000139bb910 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