======================================
| [  430.851600][ T1905] ==================================================================
| [  430.851922][ T1905] 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)
| [  430.852228][ T1905] Write of size 8 at addr 0000000000000000 by task ip/1905
| [  430.852517][ T1905]
[  430.852629][ T1905] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  430.852635][ T1905] Call Trace:
[  430.852639][ T1905]  <TASK>
[  430.852642][ T1905]  dump_stack_lvl (lib/dump_stack.c:123)
[  430.852657][ T1905]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[  430.852660][ T1905]  kasan_report (mm/kasan/report.c:597)
[  430.852672][ T1905]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[  430.852678][ T1905]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[  430.852681][ T1905]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[  430.852686][ T1905]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[  430.852689][ T1905]  ? enable_delayed_work (kernel/workqueue.c:4359)
[  430.852693][ T1905]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[  430.852697][ T1905]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  430.852704][ T1905]  __cancel_work_sync (kernel/workqueue.c:4383)
[  430.852708][ T1905]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[  430.852722][ T1905]  ? netdev_notify_peers (net/core/dev.c:1891)
[  430.852726][ T1905]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[  430.852733][ T1905]  __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)
[  430.852737][ T1905]  ? __free_zapped_classes (kernel/locking/lockdep.c:5343)
[  430.852746][ T1905]  ? netif_set_allmulti (net/core/dev.c:9890)
[  430.852749][ T1905]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  430.852757][ T1905]  netif_change_flags (net/core/dev.c:9989)
[  430.852761][ T1905]  do_setlink.constprop.0 (net/core/rtnetlink.c:3158)
[  430.852770][ T1905]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[  430.852776][ T1905]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  430.852787][ T1905]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[  430.852792][ T1905]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  430.852798][ T1905]  ? __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)
[  430.852801][ T1905]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[  430.852805][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  430.852812][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  430.852815][ T1905]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[  430.852819][ T1905]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[  430.852824][ T1905]  ? __create_object (mm/kmemleak.c:786)
[  430.852831][ T1905]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  430.852834][ T1905]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[  430.852838][ T1905]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[  430.852841][ T1905]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[  430.852852][ T1905]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[  430.852858][ T1905]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[  430.852862][ T1905]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[  430.852865][ T1905]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  430.852871][ T1905]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  430.852875][ T1905]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[  430.852878][ T1905]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  430.852883][ T1905]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[  430.852886][ T1905]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[  430.852890][ T1905]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[  430.852892][ T1905]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  430.852900][ T1905]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[  430.852908][ T1905]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[  430.852912][ T1905]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[  430.852918][ T1905]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[  430.852922][ T1905]  ? 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)
[  430.852925][ T1905]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[  430.852930][ T1905]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[  430.852934][ T1905]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  430.852939][ T1905]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[  430.852944][ T1905]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  430.852947][ T1905]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[  430.852960][ T1905]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  430.852963][ T1905]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[  430.852975][ T1905]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[  430.852978][ T1905]  ? __copy_msghdr (net/socket.c:2556)
[  430.852985][ T1905]  ___sys_sendmsg (net/socket.c:2686)
[  430.852989][ T1905]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[  430.852991][ T1905]  ? __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)
[  430.852999][ T1905]  ? copy_msghdr_from_user (net/socket.c:2673)
[  430.853004][ T1905]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  430.853008][ T1905]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  430.853014][ T1905]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  430.853018][ T1905]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[  430.853031][ T1905]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  430.853037][ T1905]  __sys_sendmsg (net/socket.c:2716)
[  430.853040][ T1905]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[  430.853044][ T1905]  ? __sys_sendmsg_sock (net/socket.c:2701)
[  430.853052][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  430.853056][ T1905]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  430.853063][ T1905]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  430.853072][ T1905] RIP: 0033:0x7f1185a291d7
[  430.853077][ T1905] 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)
[  430.853080][ T1905] RSP: 002b:00007ffe0b2d2778 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  430.853088][ T1905] RAX: ffffffffffffffda RBX: 00007ffe0b2d2ea0 RCX: 00007f1185a291d7
[  430.853091][ T1905] RDX: 0000000000000000 RSI: 00007ffe0b2d27e0 RDI: 0000000000000005
[  430.853092][ T1905] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  430.853094][ T1905] R10: 00007f1185925f60 R11: 0000000000000246 R12: 0000000000000003
[  430.853096][ T1905] R13: 00000000691cd183 R14: 0000000000499600 R15: 0000000000000000
| [  430.874811][ T1905] #PF: error_code(0x0002) - not-present page
| [  430.875167][ T1905] PGD babc067 P4D babc067 PUD b9ff067 PMD 0
| [  430.875757][ T1905] Oops: Oops: 0002 [#1] SMP KASAN
| [  430.876642][ T1905] Tainted: [B]=BAD_PAGE
[  430.876857][ T1905] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  430.877427][ T1905] 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)
[  430.877823][ T1905] 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
[  430.879067][ T1905] RSP: 0018:ffffc90002be6f40 EFLAGS: 00010046
[  430.879434][ T1905] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffa4e4090a
[  430.880068][ T1905] RDX: fffffbfff520f2cd RSI: 0000000000000008 RDI: ffffffffa9079660
[  430.880385][ T1905] RBP: ffffc90002be6fa8 R08: 0000000000000001 R09: fffffbfff520f2cc
[  430.880763][ T1905] R10: ffffffffa9079667 R11: ffffc90002be6a00 R12: 0000000000000000
[  430.881155][ T1905] R13: 0000000000000282 R14: ffff888008a64000 R15: dffffc0000000000
[  430.881437][ T1905] FS:  00007f118585b800(0000) GS:ffff88808d1f2000(0000) knlGS:0000000000000000
[  430.881882][ T1905] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  430.882114][ T1905] CR2: 0000000000000000 CR3: 00000000129dc002 CR4: 0000000000772ef0
[  430.882393][ T1905] PKRU: 55555554
[  430.882561][ T1905] Call Trace:
[  430.882815][ T1905]  <TASK>
[  430.882913][ T1905]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[  430.883107][ T1905]  ? enable_delayed_work (kernel/workqueue.c:4359)
[  430.883300][ T1905]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[  430.883594][ T1905]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  430.883784][ T1905]  __cancel_work_sync (kernel/workqueue.c:4383)
[  430.883969][ T1905]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[  430.884160][ T1905]  ? netdev_notify_peers (net/core/dev.c:1891)
[  430.884450][ T1905]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[  430.884650][ T1905]  __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)
[  430.884851][ T1905]  ? __free_zapped_classes (kernel/locking/lockdep.c:5343)
[  430.885039][ T1905]  ? netif_set_allmulti (net/core/dev.c:9890)
[  430.885329][ T1905]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  430.885525][ T1905]  netif_change_flags (net/core/dev.c:9989)
[  430.885712][ T1905]  do_setlink.constprop.0 (net/core/rtnetlink.c:3158)
[  430.885911][ T1905]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[  430.886209][ T1905]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  430.886398][ T1905]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[  430.886664][ T1905]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  430.886968][ T1905]  ? __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)
[  430.887473][ T1905]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[  430.887779][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  430.888081][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  430.888378][ T1905]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[  430.888883][ T1905]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[  430.889188][ T1905]  ? __create_object (mm/kmemleak.c:786)
[  430.889497][ T1905]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  430.889799][ T1905]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[  430.890299][ T1905]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[  430.890524][ T1905]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[  430.890713][ T1905]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[  430.890896][ T1905]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[  430.891214][ T1905]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[  430.891434][ T1905]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  430.891686][ T1905]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  430.891859][ T1905]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[  430.892132][ T1905]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  430.892323][ T1905]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[  430.892514][ T1905]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[  430.892688][ T1905]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[  430.892962][ T1905]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  430.893151][ T1905]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[  430.893355][ T1905]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[  430.893553][ T1905]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[  430.893848][ T1905]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[  430.894032][ T1905]  ? 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)
[  430.894218][ T1905]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[  430.894410][ T1905]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[  430.894711][ T1905]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  430.894898][ T1905]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[  430.895086][ T1905]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  430.895269][ T1905]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[  430.895571][ T1905]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  430.895770][ T1905]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[  430.895957][ T1905]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[  430.896188][ T1905]  ? __copy_msghdr (net/socket.c:2556)
[  430.896485][ T1905]  ___sys_sendmsg (net/socket.c:2686)
[  430.896671][ T1905]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[  430.896858][ T1905]  ? __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)
[  430.897089][ T1905]  ? copy_msghdr_from_user (net/socket.c:2673)
[  430.897377][ T1905]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  430.897571][ T1905]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  430.897761][ T1905]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  430.897949][ T1905]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[  430.898243][ T1905]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  430.898483][ T1905]  __sys_sendmsg (net/socket.c:2716)
[  430.898655][ T1905]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[  430.898867][ T1905]  ? __sys_sendmsg_sock (net/socket.c:2701)
[  430.899151][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  430.899324][ T1905]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  430.899521][ T1905]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  430.899835][ T1905] RIP: 0033:0x7f1185a291d7
[  430.900021][ T1905] 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)
[  430.900750][ T1905] RSP: 002b:00007ffe0b2d2778 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  430.901021][ T1905] RAX: ffffffffffffffda RBX: 00007ffe0b2d2ea0 RCX: 00007f1185a291d7
[  430.901289][ T1905] RDX: 0000000000000000 RSI: 00007ffe0b2d27e0 RDI: 0000000000000005
[  430.901678][ T1905] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  430.902116][ T1905] R10: 00007f1185925f60 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