======================================
| [   86.239048][  T596] ==================================================================
| [   86.239425][  T596] 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)
| [   86.239739][  T596] Write of size 8 at addr 0000000000000000 by task ip/596
| [   86.239991][  T596]
[   86.240105][  T596] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   86.240108][  T596] Call Trace:
[   86.240110][  T596]  <TASK>
[   86.240113][  T596]  dump_stack_lvl (lib/dump_stack.c:123)
[   86.240121][  T596]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   86.240124][  T596]  kasan_report (mm/kasan/report.c:597)
[   86.240131][  T596]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   86.240137][  T596]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[   86.240140][  T596]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   86.240146][  T596]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   86.240151][  T596]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   86.240155][  T596]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[   86.240158][  T596]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   86.240165][  T596]  __cancel_work_sync (kernel/workqueue.c:4383)
[   86.240169][  T596]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   86.240177][  T596]  ? netdev_notify_peers (net/core/dev.c:1891)
[   86.240185][  T596]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   86.240196][  T596]  __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)
[   86.240203][  T596]  ? netif_set_allmulti (net/core/dev.c:9890)
[   86.240213][  T596]  netif_change_flags (net/core/dev.c:9989)
[   86.240217][  T596]  dev_change_flags (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:69)
[   86.240222][  T596] cycle_netdev (drivers/net/vrf.c:1052) vrf
[   86.240230][  T596] vrf_del_slave (drivers/net/vrf.c:1119) vrf
[   86.240235][  T596]  do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2948)
[   86.240240][  T596]  do_setlink.constprop.0 (net/core/rtnetlink.c:3165)
[   86.240245][  T596]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   86.240251][  T596]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   86.240258][  T596]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   86.240266][  T596]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   86.240274][  T596]  ? __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)
[   86.240278][  T596]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   86.240281][  T596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   86.240286][  T596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   86.240290][  T596]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   86.240293][  T596]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   86.240299][  T596]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   86.240303][  T596]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   86.240306][  T596]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   86.240309][  T596]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   86.240314][  T596]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   86.240320][  T596]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   86.240325][  T596]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   86.240327][  T596]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   86.240333][  T596]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   86.240337][  T596]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   86.240339][  T596]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   86.240344][  T596]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   86.240346][  T596]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   86.240350][  T596]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   86.240353][  T596]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   86.240360][  T596]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   86.240364][  T596]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   86.240368][  T596]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   86.240374][  T596]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   86.240377][  T596]  ? 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)
[   86.240382][  T596]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   86.240390][  T596]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   86.240396][  T596]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   86.240403][  T596]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   86.240409][  T596]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   86.240416][  T596]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   86.240426][  T596]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   86.240431][  T596]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   86.240440][  T596]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   86.240445][  T596]  ? __copy_msghdr (net/socket.c:2556)
[   86.240457][  T596]  ___sys_sendmsg (net/socket.c:2686)
[   86.240461][  T596]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   86.240467][  T596]  ? __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)
[   86.240475][  T596]  ? copy_msghdr_from_user (net/socket.c:2673)
[   86.240484][  T596]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   86.240489][  T596]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   86.240495][  T596]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   86.240498][  T596]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   86.240510][  T596]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   86.240517][  T596]  __sys_sendmsg (net/socket.c:2716)
[   86.240522][  T596]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   86.240527][  T596]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   86.240534][  T596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   86.240539][  T596]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   86.240546][  T596]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   86.240551][  T596] RIP: 0033:0x7f284f25a1d7
[   86.240556][  T596] 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)
[   86.240560][  T596] RSP: 002b:00007ffe3e0964a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   86.240567][  T596] RAX: ffffffffffffffda RBX: 00007ffe3e096bd0 RCX: 00007f284f25a1d7
[   86.240569][  T596] RDX: 0000000000000000 RSI: 00007ffe3e096510 RDI: 0000000000000005
[   86.240571][  T596] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   86.240573][  T596] R10: 00000000301fe910 R11: 0000000000000246 R12: 0000000000000004
[   86.240575][  T596] R13: 00000000691cd7ea R14: 0000000000499600 R15: 0000000000000000
| [   86.265385][  T596] #PF: error_code(0x0002) - not-present page
| [   86.266189][  T596] PGD 119d6067 P4D 119d6067 PUD e44b067 PMD 0
| [   86.266596][  T596] Oops: Oops: 0002 [#1] SMP KASAN
| [   86.267762][  T596] Tainted: [B]=BAD_PAGE
[   86.268011][  T596] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   86.268605][  T596] 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)
[   86.269012][  T596] 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
[   86.270148][  T596] RSP: 0018:ffffc90000d1ee90 EFLAGS: 00010046
[   86.270545][  T596] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffb5e4090a
[   86.271026][  T596] RDX: fffffbfff740f2cd RSI: 0000000000000008 RDI: ffffffffba079660
[   86.271736][  T596] RBP: ffffc90000d1eef8 R08: 0000000000000001 R09: fffffbfff740f2cc
[   86.272226][  T596] R10: ffffffffba079667 R11: ffffc90000d1e980 R12: 0000000000000000
[   86.272702][  T596] R13: 0000000000000286 R14: ffff888012031000 R15: dffffc0000000000
[   86.273457][  T596] FS:  00007f284f08c800(0000) GS:ffff88807c1f2000(0000) knlGS:0000000000000000
[   86.273991][  T596] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   86.274267][  T596] CR2: 0000000000000000 CR3: 00000000119d7002 CR4: 0000000000772ef0
[   86.274717][  T596] PKRU: 55555554
[   86.274885][  T596] Call Trace:
[   86.275046][  T596]  <TASK>
[   86.275146][  T596]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   86.275488][  T596]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   86.275701][  T596]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[   86.275942][  T596]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   86.276142][  T596]  __cancel_work_sync (kernel/workqueue.c:4383)
[   86.276338][  T596]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   86.276704][  T596]  ? netdev_notify_peers (net/core/dev.c:1891)
[   86.276939][  T596]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   86.277262][  T596]  __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)
[   86.277605][  T596]  ? netif_set_allmulti (net/core/dev.c:9890)
[   86.277815][  T596]  netif_change_flags (net/core/dev.c:9989)
[   86.278025][  T596]  dev_change_flags (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:69)
[   86.278236][  T596] cycle_netdev (drivers/net/vrf.c:1052) vrf
[   86.278443][  T596] vrf_del_slave (drivers/net/vrf.c:1119) vrf
[   86.278640][  T596]  do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2948)
[   86.278837][  T596]  do_setlink.constprop.0 (net/core/rtnetlink.c:3165)
[   86.279047][  T596]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   86.279374][  T596]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   86.279617][  T596]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   86.279822][  T596]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   86.280035][  T596]  ? __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)
[   86.280498][  T596]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   86.280709][  T596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   86.280944][  T596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   86.281138][  T596]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   86.281344][  T596]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   86.281572][  T596]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   86.281788][  T596]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   86.281998][  T596]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   86.282307][  T596]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   86.282506][  T596]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   86.282725][  T596]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   86.282949][  T596]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   86.283275][  T596]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   86.283484][  T596]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   86.283831][  T596]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   86.284048][  T596]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   86.284480][  T596]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   86.284683][  T596]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   86.284888][  T596]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   86.285096][  T596]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   86.285420][  T596]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   86.285628][  T596]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   86.285828][  T596]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   86.286049][  T596]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   86.286240][  T596]  ? 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)
[   86.286433][  T596]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   86.286640][  T596]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   86.286832][  T596]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   86.287048][  T596]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   86.287240][  T596]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   86.287435][  T596]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   86.287642][  T596]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   86.287971][  T596]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   86.288181][  T596]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   86.288427][  T596]  ? __copy_msghdr (net/socket.c:2556)
[   86.288635][  T596]  ___sys_sendmsg (net/socket.c:2686)
[   86.289218][  T596]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   86.289424][  T596]  ? __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)
[   86.289676][  T596]  ? copy_msghdr_from_user (net/socket.c:2673)
[   86.289887][  T596]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   86.290098][  T596]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   86.290294][  T596]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   86.290524][  T596]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   86.290730][  T596]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   86.291343][  T596]  __sys_sendmsg (net/socket.c:2716)
[   86.291555][  T596]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   86.291835][  T596]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   86.292176][  T596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   86.292525][  T596]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   86.292748][  T596]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   86.293005][  T596] RIP: 0033:0x7f284f25a1d7
[   86.293220][  T596] 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)
[   86.294130][  T596] RSP: 002b:00007ffe3e0964a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   86.294573][  T596] RAX: ffffffffffffffda RBX: 00007ffe3e096bd0 RCX: 00007f284f25a1d7
[   86.294900][  T596] RDX: 0000000000000000 RSI: 00007ffe3e096510 RDI: 0000000000000005
[   86.295211][  T596] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   86.295641][  T596] R10: 00000000301fe910 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