======================================
| [  332.798089][ T1679] ==================================================================
| [  332.798547][ T1679] 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)
| [  332.799000][ T1679] Write of size 8 at addr 0000000000000000 by task ip/1679
| [  332.799422][ T1679]
[  332.799576][ T1679] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  332.799579][ T1679] Call Trace:
[  332.799582][ T1679]  <TASK>
[  332.799584][ T1679]  dump_stack_lvl (lib/dump_stack.c:123)
[  332.799593][ T1679]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[  332.799597][ T1679]  kasan_report (mm/kasan/report.c:597)
[  332.799604][ T1679]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[  332.799612][ T1679]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[  332.799618][ T1679]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[  332.799625][ T1679]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[  332.799630][ T1679]  ? enable_delayed_work (kernel/workqueue.c:4359)
[  332.799635][ T1679]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[  332.799641][ T1679]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  332.799649][ T1679]  __cancel_work_sync (kernel/workqueue.c:4383)
[  332.799655][ T1679]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[  332.799664][ T1679]  ? netdev_notify_peers (net/core/dev.c:1891)
[  332.799670][ T1679]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[  332.799679][ T1679]  __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)
[  332.799683][ T1679]  ? __free_zapped_classes (kernel/locking/lockdep.c:5343)
[  332.799690][ T1679]  ? netif_set_allmulti (net/core/dev.c:9890)
[  332.799694][ T1679]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  332.799703][ T1679]  netif_change_flags (net/core/dev.c:9989)
[  332.799710][ T1679]  do_setlink.constprop.0 (net/core/rtnetlink.c:3158)
[  332.799718][ T1679]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[  332.799727][ T1679]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  332.799735][ T1679]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[  332.799743][ T1679]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  332.799751][ T1679]  ? __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)
[  332.799756][ T1679]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[  332.799761][ T1679]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  332.799767][ T1679]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  332.799772][ T1679]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[  332.799777][ T1679]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[  332.799785][ T1679]  ? __create_object (mm/kmemleak.c:786)
[  332.799789][ T1679]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  332.799794][ T1679]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[  332.799798][ T1679]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[  332.799804][ T1679]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[  332.799809][ T1679]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[  332.799818][ T1679]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[  332.799826][ T1679]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[  332.799831][ T1679]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  332.799840][ T1679]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  332.799845][ T1679]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[  332.799848][ T1679]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  332.799855][ T1679]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[  332.799860][ T1679]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[  332.799865][ T1679]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[  332.799869][ T1679]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  332.799881][ T1679]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[  332.799886][ T1679]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[  332.799891][ T1679]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[  332.799902][ T1679]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[  332.799906][ T1679]  ? 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)
[  332.799912][ T1679]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[  332.799919][ T1679]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[  332.799925][ T1679]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  332.799934][ T1679]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[  332.799941][ T1679]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  332.799946][ T1679]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[  332.799955][ T1679]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  332.799960][ T1679]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[  332.799968][ T1679]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[  332.799972][ T1679]  ? __copy_msghdr (net/socket.c:2556)
[  332.799984][ T1679]  ___sys_sendmsg (net/socket.c:2686)
[  332.799988][ T1679]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[  332.799992][ T1679]  ? __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)
[  332.799999][ T1679]  ? copy_msghdr_from_user (net/socket.c:2673)
[  332.800007][ T1679]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  332.800014][ T1679]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  332.800023][ T1679]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  332.800028][ T1679]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[  332.800033][ T1679]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  332.800043][ T1679]  __sys_sendmsg (net/socket.c:2716)
[  332.800048][ T1679]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[  332.800053][ T1679]  ? __sys_sendmsg_sock (net/socket.c:2701)
[  332.800065][ T1679]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  332.800071][ T1679]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  332.800078][ T1679]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  332.800084][ T1679] RIP: 0033:0x7f42b91721d7
[  332.800089][ T1679] 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)
[  332.800093][ T1679] RSP: 002b:00007ffe4eced448 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  332.800098][ T1679] RAX: ffffffffffffffda RBX: 00007ffe4ecedb70 RCX: 00007f42b91721d7
[  332.800102][ T1679] RDX: 0000000000000000 RSI: 00007ffe4eced4b0 RDI: 0000000000000005
[  332.800104][ T1679] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  332.800106][ T1679] R10: 00007f42b906ef60 R11: 0000000000000246 R12: 0000000000000003
[  332.800109][ T1679] R13: 00000000691cbd83 R14: 0000000000499600 R15: 0000000000000000
| [  332.826047][ T1679] #PF: error_code(0x0002) - not-present page
| [  332.826360][ T1679] PGD c177067 P4D c177067 PUD 9ad4067 PMD 0
| [  332.826688][ T1679] Oops: Oops: 0002 [#1] SMP KASAN
| [  332.827456][ T1679] Tainted: [B]=BAD_PAGE
[  332.827648][ T1679] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  332.827982][ T1679] 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)
[  332.828306][ T1679] 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
[  332.829218][ T1679] RSP: 0018:ffffc90002736f40 EFLAGS: 00010046
[  332.829542][ T1679] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8e24090a
[  332.829926][ T1679] RDX: fffffbfff248f2cd RSI: 0000000000000008 RDI: ffffffff92479660
[  332.830301][ T1679] RBP: ffffc90002736fa8 R08: 0000000000000001 R09: fffffbfff248f2cc
[  332.830708][ T1679] R10: ffffffff92479667 R11: ffffc90002736a00 R12: 0000000000000000
[  332.831087][ T1679] R13: 0000000000000282 R14: ffff888008744000 R15: dffffc0000000000
[  332.831474][ T1679] FS:  00007f42b8fa4800(0000) GS:ffff8880a3df2000(0000) knlGS:0000000000000000
[  332.831919][ T1679] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  332.832252][ T1679] CR2: 0000000000000000 CR3: 0000000009fe8006 CR4: 0000000000772ef0
[  332.832671][ T1679] PKRU: 55555554
[  332.832860][ T1679] Call Trace:
[  332.833061][ T1679]  <TASK>
[  332.833199][ T1679]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[  332.833454][ T1679]  ? enable_delayed_work (kernel/workqueue.c:4359)
[  332.833711][ T1679]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[  332.833965][ T1679]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  332.834265][ T1679]  __cancel_work_sync (kernel/workqueue.c:4383)
[  332.834513][ T1679]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[  332.834774][ T1679]  ? netdev_notify_peers (net/core/dev.c:1891)
[  332.835036][ T1679]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[  332.835286][ T1679]  __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)
[  332.835537][ T1679]  ? __free_zapped_classes (kernel/locking/lockdep.c:5343)
[  332.835793][ T1679]  ? netif_set_allmulti (net/core/dev.c:9890)
[  332.836075][ T1679]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  332.836352][ T1679]  netif_change_flags (net/core/dev.c:9989)
[  332.836608][ T1679]  do_setlink.constprop.0 (net/core/rtnetlink.c:3158)
[  332.836865][ T1679]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[  332.837137][ T1679]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  332.837408][ T1679]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[  332.837669][ T1679]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  332.837927][ T1679]  ? __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)
[  332.838175][ T1679]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[  332.838423][ T1679]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  332.838685][ T1679]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  332.838938][ T1679]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[  332.839194][ T1679]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[  332.839445][ T1679]  ? __create_object (mm/kmemleak.c:786)
[  332.839699][ T1679]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  332.839959][ T1679]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[  332.840206][ T1679]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[  332.840454][ T1679]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[  332.840708][ T1679]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[  332.840963][ T1679]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[  332.841214][ T1679]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[  332.841467][ T1679]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  332.841723][ T1679]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  332.841976][ T1679]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[  332.842222][ T1679]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  332.842482][ T1679]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[  332.842737][ T1679]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[  332.843159][ T1679]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[  332.843406][ T1679]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  332.843663][ T1679]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[  332.843916][ T1679]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[  332.844332][ T1679]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[  332.844587][ T1679]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[  332.844841][ T1679]  ? 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)
[  332.845087][ T1679]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[  332.845506][ T1679]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[  332.845752][ T1679]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  332.846043][ T1679]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[  332.846309][ T1679]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  332.846566][ T1679]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[  332.846821][ T1679]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  332.847081][ T1679]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[  332.847331][ T1679]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[  332.847650][ T1679]  ? __copy_msghdr (net/socket.c:2556)
[  332.847916][ T1679]  ___sys_sendmsg (net/socket.c:2686)
[  332.848165][ T1679]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[  332.848415][ T1679]  ? __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)
[  332.848904][ T1679]  ? copy_msghdr_from_user (net/socket.c:2673)
[  332.849180][ T1679]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  332.849434][ T1679]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  332.849859][ T1679]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  332.850115][ T1679]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[  332.850371][ T1679]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  332.850626][ T1679]  __sys_sendmsg (net/socket.c:2716)
[  332.851062][ T1679]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[  332.851378][ T1679]  ? __sys_sendmsg_sock (net/socket.c:2701)
[  332.851651][ T1679]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  332.851912][ T1679]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  332.852336][ T1679]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  332.852653][ T1679] RIP: 0033:0x7f42b91721d7
[  332.852920][ T1679] 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)
[  332.854042][ T1679] RSP: 002b:00007ffe4eced448 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  332.854444][ T1679] RAX: ffffffffffffffda RBX: 00007ffe4ecedb70 RCX: 00007f42b91721d7
[  332.854998][ T1679] RDX: 0000000000000000 RSI: 00007ffe4eced4b0 RDI: 0000000000000005
[  332.855443][ T1679] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  332.856005][ T1679] R10: 00007f42b906ef60 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