======================================
| [   24.636673][  T322] ==================================================================
| [   24.637151][  T322] 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)
| [   24.637597][  T322] Write of size 8 at addr 0000000000000000 by task ip/322
| [   24.637955][  T322]
[   24.638107][  T322] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.638109][  T322] Call Trace:
[   24.638112][  T322]  <TASK>
[   24.638114][  T322]  dump_stack_lvl (lib/dump_stack.c:123)
[   24.638124][  T322]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   24.638128][  T322]  kasan_report (mm/kasan/report.c:597)
[   24.638137][  T322]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   24.638145][  T322]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[   24.638151][  T322]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   24.638158][  T322]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   24.638163][  T322]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   24.638169][  T322]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[   24.638175][  T322]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   24.638184][  T322]  __cancel_work_sync (kernel/workqueue.c:4383)
[   24.638190][  T322]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   24.638197][  T322]  ? netdev_notify_peers (net/core/dev.c:1891)
[   24.638203][  T322]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   24.638210][  T322]  __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)
[   24.638217][  T322]  ? netif_set_allmulti (net/core/dev.c:9890)
[   24.638226][  T322]  netif_change_flags (net/core/dev.c:9989)
[   24.638234][  T322]  dev_change_flags (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:69)
[   24.638240][  T322]  cycle_netdev (drivers/net/vrf.c:1052)
[   24.638246][  T322]  vrf_add_slave (drivers/net/vrf.c:1083 drivers/net/vrf.c:1102)
[   24.638252][  T322]  do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2964)
[   24.638257][  T322]  ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94)
[   24.638264][  T322]  do_setlink.constprop.0 (net/core/rtnetlink.c:3165)
[   24.638272][  T322]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   24.638281][  T322]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.638287][  T322]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   24.638295][  T322]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.638301][  T322]  ? __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)
[   24.638308][  T322]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   24.638313][  T322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   24.638319][  T322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   24.638323][  T322]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   24.638328][  T322]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   24.638335][  T322]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   24.638339][  T322]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   24.638344][  T322]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   24.638351][  T322]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   24.638358][  T322]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   24.638368][  T322]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   24.638376][  T322]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   24.638381][  T322]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.638389][  T322]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.638395][  T322]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   24.638399][  T322]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   24.638405][  T322]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   24.638410][  T322]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   24.638416][  T322]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   24.638421][  T322]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.638431][  T322]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   24.638437][  T322]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   24.638443][  T322]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   24.638454][  T322]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   24.638458][  T322]  ? 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)
[   24.638463][  T322]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   24.638470][  T322]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   24.638475][  T322]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.638483][  T322]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   24.638490][  T322]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   24.638495][  T322]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   24.638502][  T322]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   24.638507][  T322]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   24.638513][  T322]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   24.638516][  T322]  ? __copy_msghdr (net/socket.c:2556)
[   24.638528][  T322]  ___sys_sendmsg (net/socket.c:2686)
[   24.638532][  T322]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   24.638536][  T322]  ? __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)
[   24.638542][  T322]  ? copy_msghdr_from_user (net/socket.c:2673)
[   24.638549][  T322]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.638556][  T322]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.638564][  T322]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.638569][  T322]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   24.638576][  T322]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   24.638585][  T322]  __sys_sendmsg (net/socket.c:2716)
[   24.638588][  T322]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   24.638593][  T322]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   24.638605][  T322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   24.638611][  T322]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.638618][  T322]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   24.638624][  T322] RIP: 0033:0x7f5d14db31d7
[   24.638629][  T322] 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)
[   24.638633][  T322] RSP: 002b:00007ffd60bf02f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.638638][  T322] RAX: ffffffffffffffda RBX: 00007ffd60bf0a30 RCX: 00007f5d14db31d7
[   24.638641][  T322] RDX: 0000000000000000 RSI: 00007ffd60bf0360 RDI: 0000000000000005
[   24.638644][  T322] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.638646][  T322] R10: 000000000f2cb910 R11: 0000000000000246 R12: 0000000000000004
[   24.638649][  T322] R13: 00000000691cc0f0 R14: 0000000000499600 R15: 0000000000000000
| [   24.666185][  T322] #PF: error_code(0x0002) - not-present page
| [   24.666497][  T322] PGD d922067 P4D d922067 PUD befd067 PMD 0
| [   24.666832][  T322] Oops: Oops: 0002 [#1] SMP KASAN
| [   24.667681][  T322] Tainted: [B]=BAD_PAGE
[   24.667889][  T322] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.668224][  T322] 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)
[   24.668564][  T322] 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 1f 93 82 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 1f 93 82 00       	call   0x829349
  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
[   24.669500][  T322] RSP: 0018:ffffc90000ed6e60 EFLAGS: 00010046
[   24.669842][  T322] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff84c49b8a
[   24.670237][  T322] RDX: fffffbfff132cacd RSI: 0000000000000008 RDI: ffffffff89965660
[   24.670631][  T322] RBP: ffffc90000ed6ec8 R08: 0000000000000001 R09: fffffbfff132cacc
[   24.671029][  T322] R10: ffffffff89965667 R11: ffffc90000ed6940 R12: 0000000000000000
[   24.671427][  T322] R13: 0000000000000286 R14: ffff88800f0b4000 R15: dffffc0000000000
[   24.671818][  T322] FS:  00007f5d14be5800(0000) GS:ffff8880e3807000(0000) knlGS:0000000000000000
[   24.672284][  T322] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.672622][  T322] CR2: 0000000000000000 CR3: 000000000b1f1005 CR4: 0000000000772ef0
[   24.673024][  T322] PKRU: 55555554
[   24.673228][  T322] Call Trace:
[   24.673429][  T322]  <TASK>
[   24.673567][  T322]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   24.673833][  T322]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   24.674103][  T322]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[   24.674368][  T322]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   24.674633][  T322]  __cancel_work_sync (kernel/workqueue.c:4383)
[   24.674900][  T322]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   24.675173][  T322]  ? netdev_notify_peers (net/core/dev.c:1891)
[   24.675444][  T322]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   24.675713][  T322]  __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)
[   24.675983][  T322]  ? netif_set_allmulti (net/core/dev.c:9890)
[   24.676248][  T322]  netif_change_flags (net/core/dev.c:9989)
[   24.676508][  T322]  dev_change_flags (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:69)
[   24.676779][  T322]  cycle_netdev (drivers/net/vrf.c:1052)
[   24.676978][  T322]  vrf_add_slave (drivers/net/vrf.c:1083 drivers/net/vrf.c:1102)
[   24.677237][  T322]  do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2964)
[   24.677494][  T322]  ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94)
[   24.677755][  T322]  do_setlink.constprop.0 (net/core/rtnetlink.c:3165)
[   24.678014][  T322]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   24.678279][  T322]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.678533][  T322]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   24.678792][  T322]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.679048][  T322]  ? __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)
[   24.679303][  T322]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   24.679560][  T322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   24.679818][  T322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   24.680079][  T322]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   24.680334][  T322]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   24.680591][  T322]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   24.680845][  T322]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   24.681100][  T322]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   24.681354][  T322]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   24.681615][  T322]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   24.681873][  T322]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   24.682134][  T322]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   24.682388][  T322]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.682646][  T322]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.682903][  T322]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   24.683157][  T322]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   24.683415][  T322]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   24.683670][  T322]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   24.683928][  T322]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   24.684192][  T322]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.684451][  T322]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   24.684706][  T322]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   24.684967][  T322]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   24.685227][  T322]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   24.685480][  T322]  ? 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)
[   24.685741][  T322]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   24.685997][  T322]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   24.686257][  T322]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.686512][  T322]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   24.686784][  T322]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   24.687039][  T322]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   24.687475][  T322]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   24.687732][  T322]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   24.687986][  T322]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   24.688305][  T322]  ? __copy_msghdr (net/socket.c:2556)
[   24.688746][  T322]  ___sys_sendmsg (net/socket.c:2686)
[   24.688999][  T322]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   24.689253][  T322]  ? __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)
[   24.689570][  T322]  ? copy_msghdr_from_user (net/socket.c:2673)
[   24.690010][  T322]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.690265][  T322]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.690524][  T322]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.690784][  T322]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   24.691216][  T322]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   24.691473][  T322]  __sys_sendmsg (net/socket.c:2716)
[   24.691729][  T322]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   24.692048][  T322]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   24.692488][  T322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   24.692747][  T322]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.693007][  T322]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   24.693501][  T322] RIP: 0033:0x7f5d14db31d7
[   24.693767][  T322] 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)
[   24.694867][  T322] RSP: 002b:00007ffd60bf02f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.695255][  T322] RAX: ffffffffffffffda RBX: 00007ffd60bf0a30 RCX: 00007f5d14db31d7
[   24.695638][  T322] RDX: 0000000000000000 RSI: 00007ffd60bf0360 RDI: 0000000000000005
[   24.696035][  T322] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.696446][  T322] R10: 000000000f2cb910 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