======================================
| [   46.607006][  T366] ==================================================================
| [   46.607409][  T366] 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)
| [   46.607751][  T366] Write of size 8 at addr 0000000000000000 by task ip/366
| [   46.608003][  T366]
[   46.608114][  T366] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.608117][  T366] Call Trace:
[   46.608119][  T366]  <TASK>
[   46.608121][  T366]  dump_stack_lvl (lib/dump_stack.c:123)
[   46.608130][  T366]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   46.608134][  T366]  kasan_report (mm/kasan/report.c:597)
[   46.608141][  T366]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   46.608146][  T366]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[   46.608150][  T366]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   46.608155][  T366]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   46.608158][  T366]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   46.608162][  T366]  ? queue_delayed_work_on (kernel/workqueue.c:2565 (discriminator 1))
[   46.608165][  T366]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   46.608172][  T366]  __cancel_work_sync (kernel/workqueue.c:4383)
[   46.608176][  T366]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   46.608184][  T366]  ? netdev_notify_peers (net/core/dev.c:1891)
[   46.608188][  T366]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   46.608194][  T366]  __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)
[   46.608198][  T366]  ? netif_set_allmulti (net/core/dev.c:9890)
[   46.608201][  T366]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.608208][  T366]  netif_change_flags (net/core/dev.c:9989)
[   46.608213][  T366]  dev_change_flags (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:69)
[   46.608217][  T366] cycle_netdev (drivers/net/vrf.c:1052) vrf
[   46.608225][  T366] vrf_add_slave (drivers/net/vrf.c:1083 drivers/net/vrf.c:1102) vrf
[   46.608230][  T366]  do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2964)
[   46.608236][  T366]  do_setlink.constprop.0 (net/core/rtnetlink.c:3165)
[   46.608241][  T366]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   46.608247][  T366]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.608254][  T366]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   46.608259][  T366]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.608264][  T366]  ? __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)
[   46.608268][  T366]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   46.608271][  T366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   46.608276][  T366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   46.608279][  T366]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   46.608283][  T366]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   46.608288][  T366]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   46.608292][  T366]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   46.608295][  T366]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   46.608298][  T366]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   46.608303][  T366]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   46.608309][  T366]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   46.608314][  T366]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   46.608317][  T366]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.608323][  T366]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.608326][  T366]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   46.608329][  T366]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   46.608334][  T366]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   46.608336][  T366]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   46.608340][  T366]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   46.608343][  T366]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.608350][  T366]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   46.608354][  T366]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   46.608358][  T366]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   46.608365][  T366]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   46.608367][  T366]  ? 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)
[   46.608371][  T366]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   46.608376][  T366]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   46.608379][  T366]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.608385][  T366]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   46.608390][  T366]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   46.608393][  T366]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   46.608399][  T366]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   46.608402][  T366]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   46.608409][  T366]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   46.608412][  T366]  ? __copy_msghdr (net/socket.c:2556)
[   46.608419][  T366]  ___sys_sendmsg (net/socket.c:2686)
[   46.608422][  T366]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   46.608425][  T366]  ? __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)
[   46.608431][  T366]  ? copy_msghdr_from_user (net/socket.c:2673)
[   46.608436][  T366]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.608440][  T366]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.608446][  T366]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.608450][  T366]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   46.608455][  T366]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   46.608462][  T366]  __sys_sendmsg (net/socket.c:2716)
[   46.608465][  T366]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   46.608468][  T366]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   46.608476][  T366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   46.608480][  T366]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   46.608487][  T366]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   46.608491][  T366] RIP: 0033:0x7f5ac58ef1d7
[   46.608495][  T366] 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)
[   46.608499][  T366] RSP: 002b:00007ffd28f8e8b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   46.608503][  T366] RAX: ffffffffffffffda RBX: 00007ffd28f8efe0 RCX: 00007f5ac58ef1d7
[   46.608505][  T366] RDX: 0000000000000000 RSI: 00007ffd28f8e920 RDI: 0000000000000005
[   46.608507][  T366] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   46.608508][  T366] R10: 000000002f27e910 R11: 0000000000000246 R12: 0000000000000004
[   46.608511][  T366] R13: 00000000691ccee4 R14: 0000000000499600 R15: 0000000000000000
| [   46.629818][  T366] #PF: error_code(0x0002) - not-present page
| [   46.630069][  T366] PGD a1e3067 P4D a1e3067 PUD 503b067 PMD 0
| [   46.630337][  T366] Oops: Oops: 0002 [#1] SMP KASAN
| [   46.630967][  T366] Tainted: [B]=BAD_PAGE
[   46.631129][  T366] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.631382][  T366] 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)
[   46.631644][  T366] 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
[   46.632369][  T366] RSP: 0018:ffffc90000886e70 EFLAGS: 00010046
[   46.632626][  T366] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffb384090a
[   46.632927][  T366] RDX: fffffbfff6f4f2cd RSI: 0000000000000008 RDI: ffffffffb7a79660
[   46.633242][  T366] RBP: ffffc90000886ed8 R08: 0000000000000001 R09: fffffbfff6f4f2cc
[   46.633541][  T366] R10: ffffffffb7a79667 R11: ffffc90000886940 R12: 0000000000000000
[   46.633847][  T366] R13: 0000000000000282 R14: ffff8880052a1000 R15: dffffc0000000000
[   46.634152][  T366] FS:  00007f5ac5721800(0000) GS:ffff88807e8f2000(0000) knlGS:0000000000000000
[   46.634504][  T366] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.634756][  T366] CR2: 0000000000000000 CR3: 0000000002a53004 CR4: 0000000000772ef0
[   46.635065][  T366] PKRU: 55555554
[   46.635225][  T366] Call Trace:
[   46.635379][  T366]  <TASK>
[   46.635485][  T366]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   46.635688][  T366]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   46.635902][  T366]  ? queue_delayed_work_on (kernel/workqueue.c:2565 (discriminator 1))
[   46.636103][  T366]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   46.636307][  T366]  __cancel_work_sync (kernel/workqueue.c:4383)
[   46.636503][  T366]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   46.636707][  T366]  ? netdev_notify_peers (net/core/dev.c:1891)
[   46.636914][  T366]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   46.637125][  T366]  __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)
[   46.637360][  T366]  ? netif_set_allmulti (net/core/dev.c:9890)
[   46.637548][  T366]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.637739][  T366]  netif_change_flags (net/core/dev.c:9989)
[   46.637961][  T366]  dev_change_flags (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:69)
[   46.638169][  T366] cycle_netdev (drivers/net/vrf.c:1052) vrf
[   46.638372][  T366] vrf_add_slave (drivers/net/vrf.c:1083 drivers/net/vrf.c:1102) vrf
[   46.638571][  T366]  do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2964)
[   46.638776][  T366]  do_setlink.constprop.0 (net/core/rtnetlink.c:3165)
[   46.638978][  T366]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   46.639187][  T366]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.639401][  T366]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   46.639603][  T366]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.639814][  T366]  ? __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)
[   46.640014][  T366]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   46.640223][  T366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   46.640434][  T366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   46.640631][  T366]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   46.640834][  T366]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   46.641034][  T366]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   46.641240][  T366]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   46.641440][  T366]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   46.641641][  T366]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   46.641850][  T366]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   46.642058][  T366]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   46.642267][  T366]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   46.642465][  T366]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.642666][  T366]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.642874][  T366]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   46.643070][  T366]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   46.643279][  T366]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   46.643477][  T366]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   46.643687][  T366]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   46.643914][  T366]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.644125][  T366]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   46.644327][  T366]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   46.644526][  T366]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   46.644728][  T366]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   46.644932][  T366]  ? 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)
[   46.645142][  T366]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   46.645349][  T366]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   46.645546][  T366]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.645748][  T366]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   46.645957][  T366]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   46.646157][  T366]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   46.646357][  T366]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   46.646554][  T366]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   46.646758][  T366]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   46.647015][  T366]  ? __copy_msghdr (net/socket.c:2556)
[   46.647227][  T366]  ___sys_sendmsg (net/socket.c:2686)
[   46.647426][  T366]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   46.647627][  T366]  ? __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)
[   46.647880][  T366]  ? copy_msghdr_from_user (net/socket.c:2673)
[   46.648085][  T366]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.648286][  T366]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.648500][  T366]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.648699][  T366]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   46.648906][  T366]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   46.649111][  T366]  __sys_sendmsg (net/socket.c:2716)
[   46.649314][  T366]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   46.649575][  T366]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   46.649786][  T366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   46.649993][  T366]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   46.650200][  T366]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   46.650449][  T366] RIP: 0033:0x7f5ac58ef1d7
[   46.650659][  T366] 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)
[   46.651383][  T366] RSP: 002b:00007ffd28f8e8b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   46.651694][  T366] RAX: ffffffffffffffda RBX: 00007ffd28f8efe0 RCX: 00007f5ac58ef1d7
[   46.651999][  T366] RDX: 0000000000000000 RSI: 00007ffd28f8e920 RDI: 0000000000000005
[   46.652302][  T366] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   46.652596][  T366] R10: 000000002f27e910 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