======================================
| [   35.526046][  T450] ==================================================================
| [   35.526427][  T450] 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)
| [   35.526735][  T450] Write of size 8 at addr 0000000000000000 by task ip/450
| [   35.527008][  T450]
[   35.527127][  T450] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.527129][  T450] Call Trace:
[   35.527132][  T450]  <TASK>
[   35.527134][  T450]  dump_stack_lvl (lib/dump_stack.c:123)
[   35.527144][  T450]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   35.527148][  T450]  kasan_report (mm/kasan/report.c:597)
[   35.527160][  T450]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   35.527169][  T450]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[   35.527173][  T450]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   35.527178][  T450]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   35.527182][  T450]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   35.527186][  T450]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[   35.527190][  T450]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   35.527199][  T450]  __cancel_work_sync (kernel/workqueue.c:4383)
[   35.527203][  T450]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   35.527210][  T450]  ? netdev_notify_peers (net/core/dev.c:1891)
[   35.527215][  T450]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   35.527221][  T450]  __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)
[   35.527225][  T450]  ? netif_set_allmulti (net/core/dev.c:9890)
[   35.527228][  T450]  ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 kernel/bpf/core.c:746)
[   35.527236][  T450]  netif_change_flags (net/core/dev.c:9989)
[   35.527239][  T450]  ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94)
[   35.527243][  T450]  do_setlink.constprop.0 (net/core/rtnetlink.c:3158)
[   35.527250][  T450]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   35.527256][  T450]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.527261][  T450]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   35.527267][  T450]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.527272][  T450]  ? __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)
[   35.527277][  T450]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   35.527280][  T450]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   35.527285][  T450]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   35.527288][  T450]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   35.527292][  T450]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   35.527298][  T450]  ? __create_object (mm/kmemleak.c:786)
[   35.527303][  T450]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   35.527306][  T450]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   35.527310][  T450]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   35.527315][  T450]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   35.527322][  T450]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   35.527328][  T450]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   35.527334][  T450]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   35.527337][  T450]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.527342][  T450]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.527347][  T450]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   35.527350][  T450]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   35.527353][  T450]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   35.527357][  T450]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   35.527361][  T450]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   35.527365][  T450]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.527371][  T450]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   35.527376][  T450]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   35.527380][  T450]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   35.527387][  T450]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   35.527389][  T450]  ? 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)
[   35.527393][  T450]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   35.527397][  T450]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   35.527401][  T450]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.527405][  T450]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   35.527409][  T450]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   35.527413][  T450]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   35.527418][  T450]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   35.527421][  T450]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   35.527426][  T450]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   35.527428][  T450]  ? __copy_msghdr (net/socket.c:2556)
[   35.527436][  T450]  ___sys_sendmsg (net/socket.c:2686)
[   35.527438][  T450]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   35.527442][  T450]  ? __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)
[   35.527446][  T450]  ? copy_msghdr_from_user (net/socket.c:2673)
[   35.527450][  T450]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.527455][  T450]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.527460][  T450]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.527464][  T450]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   35.527470][  T450]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   35.527475][  T450]  __sys_sendmsg (net/socket.c:2716)
[   35.527478][  T450]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   35.527481][  T450]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   35.527488][  T450]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   35.527492][  T450]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.527499][  T450]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   35.527503][  T450] RIP: 0033:0x7f038db661d7
[   35.527508][  T450] 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)
[   35.527510][  T450] RSP: 002b:00007ffeba0723d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.527515][  T450] RAX: ffffffffffffffda RBX: 00007ffeba072b10 RCX: 00007f038db661d7
[   35.527517][  T450] RDX: 0000000000000000 RSI: 00007ffeba072440 RDI: 0000000000000005
[   35.527518][  T450] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   35.527520][  T450] R10: 00007f038da62510 R11: 0000000000000246 R12: 0000000000000003
[   35.527522][  T450] R13: 00000000691ccf41 R14: 0000000000499600 R15: 0000000000000000
| [   35.547982][  T450] #PF: error_code(0x0002) - not-present page
| [   35.548340][  T450] PGD a1e0067 P4D a1e0067 PUD a1cf067 PMD 0
| [   35.548701][  T450] Oops: Oops: 0002 [#1] SMP KASAN
| [   35.549569][  T450] Tainted: [B]=BAD_PAGE
[   35.549788][  T450] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.550140][  T450] 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)
[   35.550502][  T450] 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
[   35.551473][  T450] RSP: 0018:ffffc900011f6f30 EFLAGS: 00010046
[   35.551820][  T450] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8ba49b8a
[   35.552232][  T450] RDX: fffffbfff20ecacd RSI: 0000000000000008 RDI: ffffffff90765660
[   35.552640][  T450] RBP: ffffc900011f6f98 R08: 0000000000000001 R09: fffffbfff20ecacc
[   35.553044][  T450] R10: ffffffff90765667 R11: ffffc900011f6a00 R12: 0000000000000000
[   35.553458][  T450] R13: 0000000000000286 R14: ffff88800e8d1000 R15: dffffc0000000000
[   35.553865][  T450] FS:  00007f038d998800(0000) GS:ffff8880dc907000(0000) knlGS:0000000000000000
[   35.554346][  T450] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.554681][  T450] CR2: 0000000000000000 CR3: 00000000051b8006 CR4: 0000000000772ef0
[   35.555105][  T450] PKRU: 55555554
[   35.555320][  T450] Call Trace:
[   35.555530][  T450]  <TASK>
[   35.555677][  T450]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   35.555983][  T450]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   35.556257][  T450]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[   35.556516][  T450]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   35.556790][  T450]  __cancel_work_sync (kernel/workqueue.c:4383)
[   35.557063][  T450]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   35.557343][  T450]  ? netdev_notify_peers (net/core/dev.c:1891)
[   35.557660][  T450]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   35.557974][  T450]  __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)
[   35.558276][  T450]  ? netif_set_allmulti (net/core/dev.c:9890)
[   35.558569][  T450]  ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 kernel/bpf/core.c:746)
[   35.558862][  T450]  netif_change_flags (net/core/dev.c:9989)
[   35.559156][  T450]  ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94)
[   35.559444][  T450]  do_setlink.constprop.0 (net/core/rtnetlink.c:3158)
[   35.559741][  T450]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   35.560047][  T450]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.560341][  T450]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   35.560630][  T450]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.560958][  T450]  ? __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)
[   35.561270][  T450]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   35.561576][  T450]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   35.561867][  T450]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   35.562144][  T450]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   35.562360][  T450]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   35.562556][  T450]  ? __create_object (mm/kmemleak.c:786)
[   35.562771][  T450]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   35.562962][  T450]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   35.563152][  T450]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   35.563342][  T450]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   35.563534][  T450]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   35.563734][  T450]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   35.563939][  T450]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   35.564128][  T450]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.564317][  T450]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.564507][  T450]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   35.564714][  T450]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   35.564901][  T450]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   35.565085][  T450]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   35.565278][  T450]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   35.565468][  T450]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.565668][  T450]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   35.565859][  T450]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   35.566045][  T450]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   35.566238][  T450]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   35.566426][  T450]  ? 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)
[   35.566618][  T450]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   35.566818][  T450]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   35.567005][  T450]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.567191][  T450]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   35.567378][  T450]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   35.567562][  T450]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   35.567819][  T450]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   35.568017][  T450]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   35.568211][  T450]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   35.568472][  T450]  ? __copy_msghdr (net/socket.c:2556)
[   35.568692][  T450]  ___sys_sendmsg (net/socket.c:2686)
[   35.568888][  T450]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   35.569089][  T450]  ? __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)
[   35.569329][  T450]  ? copy_msghdr_from_user (net/socket.c:2673)
[   35.569523][  T450]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.569731][  T450]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.569937][  T450]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.570136][  T450]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   35.570330][  T450]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   35.570522][  T450]  __sys_sendmsg (net/socket.c:2716)
[   35.570727][  T450]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   35.570967][  T450]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   35.571178][  T450]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   35.571388][  T450]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.571583][  T450]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   35.571827][  T450] RIP: 0033:0x7f038db661d7
[   35.572035][  T450] 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)
[   35.572737][  T450] RSP: 002b:00007ffeba0723d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.573042][  T450] RAX: ffffffffffffffda RBX: 00007ffeba072b10 RCX: 00007f038db661d7
[   35.573347][  T450] RDX: 0000000000000000 RSI: 00007ffeba072440 RDI: 0000000000000005
[   35.573640][  T450] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   35.573945][  T450] R10: 00007f038da62510 R11: 0000000000000246 R12: 0000000000000003


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