======================================
| [  257.325480][ T1637] ==================================================================
| [  257.325826][ T1637] 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)
| [  257.326133][ T1637] Write of size 8 at addr 0000000000000000 by task ip/1637
| [  257.326425][ T1637]
[  257.326542][ T1637] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  257.326544][ T1637] Call Trace:
[  257.326548][ T1637]  <TASK>
[  257.326551][ T1637]  dump_stack_lvl (lib/dump_stack.c:123)
[  257.326562][ T1637]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[  257.326565][ T1637]  kasan_report (mm/kasan/report.c:597)
[  257.326575][ T1637]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[  257.326581][ T1637]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[  257.326584][ T1637]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[  257.326590][ T1637]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[  257.326593][ T1637]  ? enable_delayed_work (kernel/workqueue.c:4359)
[  257.326597][ T1637]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[  257.326600][ T1637]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  257.326607][ T1637]  __cancel_work_sync (kernel/workqueue.c:4383)
[  257.326611][ T1637]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[  257.326620][ T1637]  ? netdev_notify_peers (net/core/dev.c:1891)
[  257.326624][ T1637]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[  257.326631][ T1637]  __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)
[  257.326635][ T1637]  ? __free_zapped_classes (kernel/locking/lockdep.c:5343)
[  257.326641][ T1637]  ? netif_set_allmulti (net/core/dev.c:9890)
[  257.326644][ T1637]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  257.326650][ T1637]  netif_change_flags (net/core/dev.c:9989)
[  257.326654][ T1637]  do_setlink.constprop.0 (net/core/rtnetlink.c:3158)
[  257.326660][ T1637]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[  257.326666][ T1637]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  257.326674][ T1637]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[  257.326680][ T1637]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  257.326685][ T1637]  ? __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)
[  257.326689][ T1637]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[  257.326692][ T1637]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  257.326697][ T1637]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  257.326700][ T1637]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[  257.326704][ T1637]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[  257.326713][ T1637]  ? __create_object (mm/kmemleak.c:786)
[  257.326717][ T1637]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  257.326721][ T1637]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[  257.326724][ T1637]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[  257.326727][ T1637]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[  257.326736][ T1637]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[  257.326742][ T1637]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[  257.326747][ T1637]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[  257.326750][ T1637]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  257.326756][ T1637]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  257.326760][ T1637]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[  257.326762][ T1637]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  257.326767][ T1637]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[  257.326770][ T1637]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[  257.326773][ T1637]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[  257.326776][ T1637]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  257.326784][ T1637]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[  257.326791][ T1637]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[  257.326794][ T1637]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[  257.326801][ T1637]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[  257.326804][ T1637]  ? 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)
[  257.326808][ T1637]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[  257.326812][ T1637]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[  257.326816][ T1637]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  257.326821][ T1637]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[  257.326826][ T1637]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  257.326829][ T1637]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[  257.326838][ T1637]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  257.326842][ T1637]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[  257.326848][ T1637]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[  257.326851][ T1637]  ? __copy_msghdr (net/socket.c:2556)
[  257.326859][ T1637]  ___sys_sendmsg (net/socket.c:2686)
[  257.326862][ T1637]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[  257.326865][ T1637]  ? __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)
[  257.326871][ T1637]  ? copy_msghdr_from_user (net/socket.c:2673)
[  257.326876][ T1637]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  257.326881][ T1637]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  257.326886][ T1637]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  257.326890][ T1637]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[  257.326896][ T1637]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  257.326902][ T1637]  __sys_sendmsg (net/socket.c:2716)
[  257.326905][ T1637]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[  257.326909][ T1637]  ? __sys_sendmsg_sock (net/socket.c:2701)
[  257.326917][ T1637]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  257.326921][ T1637]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  257.326928][ T1637]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  257.326932][ T1637] RIP: 0033:0x7f47513b51d7
[  257.326937][ T1637] 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)
[  257.326940][ T1637] RSP: 002b:00007ffd6182fd98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  257.326946][ T1637] RAX: ffffffffffffffda RBX: 00007ffd618304c0 RCX: 00007f47513b51d7
[  257.326948][ T1637] RDX: 0000000000000000 RSI: 00007ffd6182fe00 RDI: 0000000000000005
[  257.326950][ T1637] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  257.326952][ T1637] R10: 00007f47512b1f60 R11: 0000000000000246 R12: 0000000000000003
[  257.326954][ T1637] R13: 00000000691cd403 R14: 0000000000499600 R15: 0000000000000000
| [  257.345279][ T1637] #PF: error_code(0x0002) - not-present page
| [  257.345507][ T1637] PGD 4ef3067 P4D 4ef3067 PUD a4d1067 PMD 0
| [  257.345841][ T1637] Oops: Oops: 0002 [#1] SMP KASAN
| [  257.346513][ T1637] Tainted: [B]=BAD_PAGE
[  257.346654][ T1637] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  257.346875][ T1637] 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)
[  257.347110][ T1637] 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
[  257.347879][ T1637] RSP: 0018:ffffc90003e5ef40 EFLAGS: 00010046
[  257.348238][ T1637] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff83e4090a
[  257.348522][ T1637] RDX: fffffbfff100f2cd RSI: 0000000000000008 RDI: ffffffff88079660
[  257.348786][ T1637] RBP: ffffc90003e5efa8 R08: 0000000000000001 R09: fffffbfff100f2cc
[  257.349177][ T1637] R10: ffffffff88079667 R11: ffffc90003e5ea00 R12: 0000000000000000
[  257.349458][ T1637] R13: 0000000000000282 R14: ffff888009771000 R15: dffffc0000000000
[  257.349734][ T1637] FS:  00007f47511e7800(0000) GS:ffff8880ae272000(0000) knlGS:0000000000000000
[  257.350151][ T1637] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  257.350379][ T1637] CR2: 0000000000000000 CR3: 000000000f084001 CR4: 0000000000772ef0
[  257.350763][ T1637] PKRU: 55555554
[  257.350902][ T1637] Call Trace:
[  257.351042][ T1637]  <TASK>
[  257.351135][ T1637]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[  257.351319][ T1637]  ? enable_delayed_work (kernel/workqueue.c:4359)
[  257.351625][ T1637]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[  257.351799][ T1637]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  257.351975][ T1637]  __cancel_work_sync (kernel/workqueue.c:4383)
[  257.352145][ T1637]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[  257.352440][ T1637]  ? netdev_notify_peers (net/core/dev.c:1891)
[  257.352625][ T1637]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[  257.352797][ T1637]  __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)
[  257.352966][ T1637]  ? __free_zapped_classes (kernel/locking/lockdep.c:5343)
[  257.353280][ T1637]  ? netif_set_allmulti (net/core/dev.c:9890)
[  257.353466][ T1637]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  257.353644][ T1637]  netif_change_flags (net/core/dev.c:9989)
[  257.353819][ T1637]  do_setlink.constprop.0 (net/core/rtnetlink.c:3158)
[  257.354111][ T1637]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[  257.354292][ T1637]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  257.354484][ T1637]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[  257.354667][ T1637]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  257.354945][ T1637]  ? __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)
[  257.355127][ T1637]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[  257.355309][ T1637]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  257.355510][ T1637]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  257.355791][ T1637]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[  257.355969][ T1637]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[  257.356145][ T1637]  ? __create_object (mm/kmemleak.c:786)
[  257.356326][ T1637]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  257.356610][ T1637]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[  257.356782][ T1637]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[  257.356961][ T1637]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[  257.357144][ T1637]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[  257.357442][ T1637]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[  257.357619][ T1637]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[  257.357792][ T1637]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  257.357975][ T1637]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  257.358271][ T1637]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[  257.358457][ T1637]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  257.358640][ T1637]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[  257.358810][ T1637]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[  257.359092][ T1637]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[  257.359274][ T1637]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  257.359473][ T1637]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[  257.359649][ T1637]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[  257.359924][ T1637]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[  257.360105][ T1637]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[  257.360287][ T1637]  ? 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)
[  257.360468][ T1637]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[  257.360750][ T1637]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[  257.360924][ T1637]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  257.361108][ T1637]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[  257.361290][ T1637]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  257.361578][ T1637]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[  257.361756][ T1637]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  257.361937][ T1637]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[  257.362122][ T1637]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[  257.362462][ T1637]  ? __copy_msghdr (net/socket.c:2556)
[  257.362642][ T1637]  ___sys_sendmsg (net/socket.c:2686)
[  257.362814][ T1637]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[  257.362989][ T1637]  ? __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)
[  257.363331][ T1637]  ? copy_msghdr_from_user (net/socket.c:2673)
[  257.363529][ T1637]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  257.363708][ T1637]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  257.363886][ T1637]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  257.364170][ T1637]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[  257.364358][ T1637]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  257.364542][ T1637]  __sys_sendmsg (net/socket.c:2716)
[  257.364730][ T1637]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[  257.365055][ T1637]  ? __sys_sendmsg_sock (net/socket.c:2701)
[  257.365264][ T1637]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  257.365464][ T1637]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  257.365647][ T1637]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  257.365972][ T1637] RIP: 0033:0x7f47513b51d7
[  257.366166][ T1637] 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)
[  257.366917][ T1637] RSP: 002b:00007ffd6182fd98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  257.367192][ T1637] RAX: ffffffffffffffda RBX: 00007ffd618304c0 RCX: 00007f47513b51d7
[  257.367589][ T1637] RDX: 0000000000000000 RSI: 00007ffd6182fe00 RDI: 0000000000000005
[  257.367853][ T1637] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  257.368136][ T1637] R10: 00007f47512b1f60 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