======================================
| [   26.639782][  T342] ==================================================================
| [   26.640127][  T342] 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)
| [   26.640453][  T342] Write of size 8 at addr 0000000000000000 by task ip/342
| [   26.640710][  T342]
[   26.640817][  T342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.640820][  T342] Call Trace:
[   26.640822][  T342]  <TASK>
[   26.640824][  T342]  dump_stack_lvl (lib/dump_stack.c:123)
[   26.640834][  T342]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   26.640837][  T342]  kasan_report (mm/kasan/report.c:597)
[   26.640845][  T342]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   26.640851][  T342]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[   26.640855][  T342]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   26.640859][  T342]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   26.640863][  T342]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   26.640867][  T342]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[   26.640871][  T342]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   26.640878][  T342]  __cancel_work_sync (kernel/workqueue.c:4383)
[   26.640883][  T342]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   26.640889][  T342]  ? netdev_notify_peers (net/core/dev.c:1891)
[   26.640893][  T342]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   26.640900][  T342]  __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)
[   26.640904][  T342]  ? netif_set_allmulti (net/core/dev.c:9890)
[   26.640907][  T342]  ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 kernel/bpf/core.c:746)
[   26.640919][  T342]  netif_change_flags (net/core/dev.c:9989)
[   26.640922][  T342]  ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94)
[   26.640926][  T342]  do_setlink.constprop.0 (net/core/rtnetlink.c:3158)
[   26.640934][  T342]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   26.640940][  T342]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.640945][  T342]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   26.640951][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.640956][  T342]  ? __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)
[   26.640961][  T342]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   26.640964][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   26.640969][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   26.640973][  T342]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   26.640976][  T342]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   26.640982][  T342]  ? __create_object (mm/kmemleak.c:786)
[   26.640988][  T342]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   26.640990][  T342]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   26.640994][  T342]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   26.640998][  T342]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   26.641006][  T342]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   26.641012][  T342]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   26.641018][  T342]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   26.641021][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.641026][  T342]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.641030][  T342]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   26.641034][  T342]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   26.641037][  T342]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   26.641041][  T342]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   26.641046][  T342]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   26.641049][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.641055][  T342]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   26.641060][  T342]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   26.641064][  T342]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   26.641070][  T342]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   26.641073][  T342]  ? 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)
[   26.641077][  T342]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   26.641081][  T342]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   26.641084][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.641089][  T342]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   26.641093][  T342]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   26.641096][  T342]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   26.641103][  T342]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   26.641106][  T342]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   26.641111][  T342]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   26.641113][  T342]  ? __copy_msghdr (net/socket.c:2556)
[   26.641122][  T342]  ___sys_sendmsg (net/socket.c:2686)
[   26.641124][  T342]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   26.641127][  T342]  ? __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)
[   26.641133][  T342]  ? copy_msghdr_from_user (net/socket.c:2673)
[   26.641137][  T342]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.641142][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.641147][  T342]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.641151][  T342]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   26.641157][  T342]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   26.641163][  T342]  __sys_sendmsg (net/socket.c:2716)
[   26.641165][  T342]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   26.641168][  T342]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   26.641175][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   26.641179][  T342]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.641187][  T342]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   26.641191][  T342] RIP: 0033:0x7f25f5f041d7
[   26.641198][  T342] 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)
[   26.641201][  T342] RSP: 002b:00007ffd1c520038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.641205][  T342] RAX: ffffffffffffffda RBX: 00007ffd1c520770 RCX: 00007f25f5f041d7
[   26.641207][  T342] RDX: 0000000000000000 RSI: 00007ffd1c5200a0 RDI: 0000000000000005
[   26.641209][  T342] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[   26.641211][  T342] R10: 00007f25f5e00510 R11: 0000000000000246 R12: 0000000000000002
[   26.641213][  T342] R13: 00000000691cb933 R14: 0000000000499600 R15: 0000000000000000
| [   26.660575][  T342] #PF: error_code(0x0002) - not-present page
| [   26.660908][  T342] PGD 4c5f067 P4D 4c5f067 PUD 504e067 PMD 0
| [   26.661150][  T342] Oops: Oops: 0002 [#1] SMP KASAN
| [   26.661839][  T342] Tainted: [B]=BAD_PAGE
[   26.661987][  T342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.662220][  T342] 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)
[   26.662470][  T342] 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
[   26.663249][  T342] RSP: 0018:ffffc90000c26f30 EFLAGS: 00010046
[   26.663594][  T342] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff93249b8a
[   26.663874][  T342] RDX: fffffbfff2fecacd RSI: 0000000000000008 RDI: ffffffff97f65660
[   26.664175][  T342] RBP: ffffc90000c26f98 R08: 0000000000000001 R09: fffffbfff2fecacc
[   26.664561][  T342] R10: ffffffff97f65667 R11: ffffc90000c26a00 R12: 0000000000000000
[   26.664848][  T342] R13: 0000000000000286 R14: ffff88800afec000 R15: dffffc0000000000
[   26.665129][  T342] FS:  00007f25f5d36800(0000) GS:ffff8880d5287000(0000) knlGS:0000000000000000
[   26.665574][  T342] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.665814][  T342] CR2: 0000000000000000 CR3: 000000000505b004 CR4: 0000000000772ef0
[   26.666093][  T342] PKRU: 55555554
[   26.666238][  T342] Call Trace:
[   26.666377][  T342]  <TASK>
[   26.666477][  T342]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   26.666660][  T342]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   26.666963][  T342]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[   26.667150][  T342]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   26.667344][  T342]  __cancel_work_sync (kernel/workqueue.c:4383)
[   26.667526][  T342]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   26.667816][  T342]  ? netdev_notify_peers (net/core/dev.c:1891)
[   26.667999][  T342]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   26.668196][  T342]  __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)
[   26.668383][  T342]  ? netif_set_allmulti (net/core/dev.c:9890)
[   26.668670][  T342]  ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 kernel/bpf/core.c:746)
[   26.668861][  T342]  netif_change_flags (net/core/dev.c:9989)
[   26.669046][  T342]  ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94)
[   26.669232][  T342]  do_setlink.constprop.0 (net/core/rtnetlink.c:3158)
[   26.669526][  T342]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   26.669721][  T342]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.669907][  T342]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   26.670123][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.670423][  T342]  ? __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)
[   26.670614][  T342]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   26.670807][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   26.671007][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   26.671299][  T342]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   26.671489][  T342]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   26.671674][  T342]  ? __create_object (mm/kmemleak.c:786)
[   26.671859][  T342]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   26.672148][  T342]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   26.672328][  T342]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   26.672527][  T342]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   26.672712][  T342]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   26.673005][  T342]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   26.673192][  T342]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   26.673377][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.673565][  T342]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.673856][  T342]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   26.674040][  T342]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   26.674229][  T342]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   26.674410][  T342]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   26.674700][  T342]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   26.674880][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.675066][  T342]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   26.675264][  T342]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   26.675552][  T342]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   26.675737][  T342]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   26.675918][  T342]  ? 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)
[   26.676102][  T342]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   26.676401][  T342]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   26.676584][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.676771][  T342]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   26.676958][  T342]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   26.677246][  T342]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   26.677430][  T342]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   26.677614][  T342]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   26.677798][  T342]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   26.678141][  T342]  ? __copy_msghdr (net/socket.c:2556)
[   26.678330][  T342]  ___sys_sendmsg (net/socket.c:2686)
[   26.678510][  T342]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   26.678696][  T342]  ? __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)
[   26.679027][  T342]  ? copy_msghdr_from_user (net/socket.c:2673)
[   26.679215][  T342]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.679405][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.679595][  T342]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.679884][  T342]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   26.680070][  T342]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   26.680258][  T342]  __sys_sendmsg (net/socket.c:2716)
[   26.680442][  T342]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   26.680775][  T342]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   26.680961][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   26.681149][  T342]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.681445][  T342]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   26.681675][  T342] RIP: 0033:0x7f25f5f041d7
[   26.681866][  T342] 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)
[   26.682635][  T342] RSP: 002b:00007ffd1c520038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.682920][  T342] RAX: ffffffffffffffda RBX: 00007ffd1c520770 RCX: 00007f25f5f041d7
[   26.683302][  T342] RDX: 0000000000000000 RSI: 00007ffd1c5200a0 RDI: 0000000000000005
[   26.683610][  T342] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[   26.683893][  T342] R10: 00007f25f5e00510 R11: 0000000000000246 R12: 0000000000000002


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