======================================
| [   23.393659][  T345] ==================================================================
| [   23.394040][  T345] 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)
| [   23.394417][  T345] Write of size 8 at addr 0000000000000000 by task ip/345
| [   23.394699][  T345]
[   23.394828][  T345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.394831][  T345] Call Trace:
[   23.394836][  T345]  <TASK>
[   23.394839][  T345]  dump_stack_lvl (lib/dump_stack.c:123)
[   23.394854][  T345]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   23.394859][  T345]  kasan_report (mm/kasan/report.c:597)
[   23.394866][  T345]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   23.394871][  T345]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[   23.394875][  T345]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   23.394880][  T345]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   23.394883][  T345]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   23.394887][  T345]  ? qdisc_destroy (net/sched/sch_generic.c:1355)
[   23.394894][  T345]  __cancel_work_sync (kernel/workqueue.c:4383)
[   23.394898][  T345]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   23.394906][  T345]  ? netdev_notify_peers (net/core/dev.c:1891)
[   23.394910][  T345]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   23.394918][  T345]  __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)
[   23.394922][  T345]  ? netif_set_allmulti (net/core/dev.c:9890)
[   23.394927][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.394937][  T345]  netif_change_flags (net/core/dev.c:9989)
[   23.394942][  T345]  dev_change_flags (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:69)
[   23.394947][  T345] cycle_netdev (drivers/net/vrf.c:1052) vrf
[   23.394957][  T345] vrf_add_slave (drivers/net/vrf.c:1083 drivers/net/vrf.c:1102) vrf
[   23.394965][  T345]  do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2964)
[   23.394972][  T345]  do_setlink.constprop.0 (net/core/rtnetlink.c:3165)
[   23.394979][  T345]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   23.394989][  T345]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.394998][  T345]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   23.395005][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.395010][  T345]  ? __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)
[   23.395014][  T345]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   23.395018][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   23.395023][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   23.395026][  T345]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   23.395030][  T345]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   23.395036][  T345]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   23.395042][  T345]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   23.395045][  T345]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   23.395049][  T345]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   23.395053][  T345]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   23.395058][  T345]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   23.395063][  T345]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   23.395066][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.395072][  T345]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.395076][  T345]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   23.395078][  T345]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   23.395083][  T345]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   23.395085][  T345]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   23.395089][  T345]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   23.395092][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.395099][  T345]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   23.395104][  T345]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   23.395108][  T345]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   23.395114][  T345]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   23.395117][  T345]  ? 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)
[   23.395122][  T345]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   23.395126][  T345]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   23.395130][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.395135][  T345]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   23.395140][  T345]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   23.395143][  T345]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   23.395150][  T345]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   23.395154][  T345]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   23.395161][  T345]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   23.395164][  T345]  ? __copy_msghdr (net/socket.c:2556)
[   23.395172][  T345]  ___sys_sendmsg (net/socket.c:2686)
[   23.395175][  T345]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   23.395178][  T345]  ? __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)
[   23.395184][  T345]  ? copy_msghdr_from_user (net/socket.c:2673)
[   23.395189][  T345]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.395194][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.395199][  T345]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.395203][  T345]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   23.395213][  T345]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   23.395223][  T345]  __sys_sendmsg (net/socket.c:2716)
[   23.395227][  T345]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   23.395231][  T345]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   23.395239][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   23.395243][  T345]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.395250][  T345]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   23.395255][  T345] RIP: 0033:0x7fb684fb21d7
[   23.395259][  T345] 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)
[   23.395263][  T345] RSP: 002b:00007ffc32af2258 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.395267][  T345] RAX: ffffffffffffffda RBX: 00007ffc32af2980 RCX: 00007fb684fb21d7
[   23.395269][  T345] RDX: 0000000000000000 RSI: 00007ffc32af22c0 RDI: 0000000000000005
[   23.395271][  T345] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.395273][  T345] R10: 00000000377c0910 R11: 0000000000000246 R12: 0000000000000004
[   23.395275][  T345] R13: 00000000691ccb59 R14: 0000000000499600 R15: 0000000000000000
| [   23.416822][  T345] #PF: error_code(0x0002) - not-present page
| [   23.417076][  T345] PGD e4ec067 P4D e4ec067 PUD e5cd067 PMD 0
| [   23.417356][  T345] Oops: Oops: 0002 [#1] SMP KASAN
| [   23.417987][  T345] Tainted: [B]=BAD_PAGE
[   23.418143][  T345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.418415][  T345] 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)
[   23.418682][  T345] 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
[   23.419418][  T345] RSP: 0018:ffffc90000c26e70 EFLAGS: 00010046
[   23.419678][  T345] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffa324090a
[   23.419999][  T345] RDX: fffffbfff4e8f2cd RSI: 0000000000000008 RDI: ffffffffa7479660
[   23.420344][  T345] RBP: ffffc90000c26ed8 R08: 0000000000000001 R09: fffffbfff4e8f2cc
[   23.420647][  T345] R10: ffffffffa7479667 R11: ffffc90000c26940 R12: 0000000000000000
[   23.420948][  T345] R13: 0000000000000282 R14: ffff88800be24000 R15: dffffc0000000000
[   23.421267][  T345] FS:  00007fb684de4800(0000) GS:ffff88808edf2000(0000) knlGS:0000000000000000
[   23.421649][  T345] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.421916][  T345] CR2: 0000000000000000 CR3: 000000000e63d005 CR4: 0000000000772ef0
[   23.422228][  T345] PKRU: 55555554
[   23.422392][  T345] Call Trace:
[   23.422570][  T345]  <TASK>
[   23.422680][  T345]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   23.422885][  T345]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   23.423101][  T345]  ? qdisc_destroy (net/sched/sch_generic.c:1355)
[   23.423320][  T345]  __cancel_work_sync (kernel/workqueue.c:4383)
[   23.423521][  T345]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   23.423725][  T345]  ? netdev_notify_peers (net/core/dev.c:1891)
[   23.423926][  T345]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   23.424130][  T345]  __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)
[   23.424342][  T345]  ? netif_set_allmulti (net/core/dev.c:9890)
[   23.424564][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.424766][  T345]  netif_change_flags (net/core/dev.c:9989)
[   23.424967][  T345]  dev_change_flags (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:69)
[   23.425167][  T345] cycle_netdev (drivers/net/vrf.c:1052) vrf
[   23.425384][  T345] vrf_add_slave (drivers/net/vrf.c:1083 drivers/net/vrf.c:1102) vrf
[   23.425585][  T345]  do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2964)
[   23.425802][  T345]  do_setlink.constprop.0 (net/core/rtnetlink.c:3165)
[   23.426004][  T345]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   23.426205][  T345]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.426424][  T345]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   23.426628][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.426830][  T345]  ? __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)
[   23.427030][  T345]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   23.427258][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   23.427461][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   23.427661][  T345]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   23.427861][  T345]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   23.428064][  T345]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   23.428281][  T345]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   23.428495][  T345]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   23.428699][  T345]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   23.428902][  T345]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   23.429104][  T345]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   23.429322][  T345]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   23.429521][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.429733][  T345]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.429950][  T345]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   23.430148][  T345]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   23.430363][  T345]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   23.430565][  T345]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   23.430766][  T345]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   23.430960][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.431175][  T345]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   23.431385][  T345]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   23.431585][  T345]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   23.431788][  T345]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   23.431985][  T345]  ? 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)
[   23.432186][  T345]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   23.432395][  T345]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   23.432610][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.432813][  T345]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   23.433015][  T345]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   23.433223][  T345]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   23.433428][  T345]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   23.433634][  T345]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   23.433864][  T345]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   23.434114][  T345]  ? __copy_msghdr (net/socket.c:2556)
[   23.434326][  T345]  ___sys_sendmsg (net/socket.c:2686)
[   23.434527][  T345]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   23.434728][  T345]  ? __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)
[   23.434980][  T345]  ? copy_msghdr_from_user (net/socket.c:2673)
[   23.435194][  T345]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.435407][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.435611][  T345]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.435812][  T345]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   23.436015][  T345]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   23.436225][  T345]  __sys_sendmsg (net/socket.c:2716)
[   23.436426][  T345]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   23.436810][  T345]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   23.437018][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   23.437225][  T345]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.437430][  T345]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   23.437798][  T345] RIP: 0033:0x7fb684fb21d7
[   23.438011][  T345] 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)
[   23.438857][  T345] RSP: 002b:00007ffc32af2258 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.439162][  T345] RAX: ffffffffffffffda RBX: 00007ffc32af2980 RCX: 00007fb684fb21d7
[   23.439596][  T345] RDX: 0000000000000000 RSI: 00007ffc32af22c0 RDI: 0000000000000005
[   23.439927][  T345] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.440234][  T345] R10: 00000000377c0910 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