======================================
| [  111.237581][  T843] ==================================================================
| [  111.237894][  T843] 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)
| [  111.238203][  T843] Write of size 8 at addr 0000000000000000 by task ip/843
| [  111.238445][  T843]
[  111.238566][  T843] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  111.238573][  T843] Call Trace:
[  111.238576][  T843]  <TASK>
[  111.238579][  T843]  dump_stack_lvl (lib/dump_stack.c:123)
[  111.238590][  T843]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[  111.238594][  T843]  kasan_report (mm/kasan/report.c:597)
[  111.238605][  T843]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[  111.238611][  T843]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[  111.238614][  T843]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[  111.238617][  T843]  ? __ipv6_dev_mc_dec (net/ipv6/mcast.c:1008)
[  111.238624][  T843]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[  111.238627][  T843]  ? enable_delayed_work (kernel/workqueue.c:4359)
[  111.238631][  T843]  ? br_multicast_leave_snoopers (net/bridge/br_multicast.c:4220) bridge
[  111.238674][  T843]  ? br_multicast_join_snoopers (net/bridge/br_multicast.c:4220) bridge
[  111.238707][  T843]  __cancel_work_sync (kernel/workqueue.c:4383)
[  111.238711][  T843]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[  111.238719][  T843]  ? netdev_notify_peers (net/core/dev.c:1891)
[  111.238724][  T843]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[  111.238731][  T843]  __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)
[  111.238734][  T843]  ? find_held_lock (kernel/locking/lockdep.c:5343)
[  111.238739][  T843]  ? netif_set_allmulti (net/core/dev.c:9890)
[  111.238741][  T843]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  111.238747][  T843]  netif_change_flags (net/core/dev.c:9989)
[  111.238751][  T843]  do_setlink.constprop.0 (net/core/rtnetlink.c:3158)
[  111.238757][  T843]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[  111.238763][  T843]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  111.238768][  T843]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[  111.238773][  T843]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  111.238778][  T843]  ? __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)
[  111.238782][  T843]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[  111.238785][  T843]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  111.238790][  T843]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  111.238793][  T843]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[  111.238796][  T843]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[  111.238802][  T843]  ? __create_object (mm/kmemleak.c:786)
[  111.238809][  T843]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  111.238812][  T843]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[  111.238815][  T843]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[  111.238819][  T843]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[  111.238824][  T843]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[  111.238829][  T843]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[  111.238834][  T843]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[  111.238837][  T843]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  111.238842][  T843]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  111.238846][  T843]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[  111.238848][  T843]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  111.238853][  T843]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[  111.238856][  T843]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[  111.238859][  T843]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[  111.238862][  T843]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  111.238869][  T843]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[  111.238873][  T843]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[  111.238877][  T843]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[  111.238884][  T843]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[  111.238886][  T843]  ? 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)
[  111.238891][  T843]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[  111.238898][  T843]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[  111.238904][  T843]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  111.238912][  T843]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[  111.238917][  T843]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  111.238920][  T843]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[  111.238928][  T843]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  111.238931][  T843]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[  111.238938][  T843]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[  111.238942][  T843]  ? __copy_msghdr (net/socket.c:2556)
[  111.238950][  T843]  ___sys_sendmsg (net/socket.c:2686)
[  111.238954][  T843]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[  111.238957][  T843]  ? __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)
[  111.238963][  T843]  ? copy_msghdr_from_user (net/socket.c:2673)
[  111.238969][  T843]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  111.238973][  T843]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  111.238979][  T843]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  111.238983][  T843]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[  111.238988][  T843]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  111.238995][  T843]  __sys_sendmsg (net/socket.c:2716)
[  111.238999][  T843]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[  111.239006][  T843]  ? __sys_sendmsg_sock (net/socket.c:2701)
[  111.239017][  T843]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  111.239021][  T843]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  111.239028][  T843]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  111.239033][  T843] RIP: 0033:0x7febfe0ac1d7
[  111.239038][  T843] 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)
[  111.239042][  T843] RSP: 002b:00007ffeb7f3b7f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  111.239049][  T843] RAX: ffffffffffffffda RBX: 00007ffeb7f3bf20 RCX: 00007febfe0ac1d7
[  111.239051][  T843] RDX: 0000000000000000 RSI: 00007ffeb7f3b860 RDI: 0000000000000005
[  111.239053][  T843] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  111.239055][  T843] R10: 00007febfdfa8f60 R11: 0000000000000246 R12: 0000000000000003
[  111.239057][  T843] R13: 00000000691cc20a R14: 0000000000499600 R15: 0000000000000000
| [  111.257870][  T843] #PF: error_code(0x0002) - not-present page
| [  111.258118][  T843] PGD 97f7067 P4D 97f7067 PUD 15cf8067 PMD 0
| [  111.258356][  T843] Oops: Oops: 0002 [#1] SMP KASAN
| [  111.258918][  T843] Tainted: [B]=BAD_PAGE
[  111.259063][  T843] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  111.259280][  T843] 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)
[  111.259523][  T843] 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
[  111.260237][  T843] RSP: 0018:ffffc90001186f40 EFLAGS: 00010046
[  111.260469][  T843] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8164090a
[  111.260753][  T843] RDX: fffffbfff0b0f2cd RSI: 0000000000000008 RDI: ffffffff85879660
[  111.261059][  T843] RBP: ffffc90001186fa8 R08: 0000000000000001 R09: fffffbfff0b0f2cc
[  111.261322][  T843] R10: ffffffff85879667 R11: ffffc90001186a00 R12: 0000000000000000
[  111.261590][  T843] R13: 0000000000000282 R14: ffff888013e42000 R15: dffffc0000000000
[  111.261857][  T843] FS:  00007febfdede800(0000) GS:ffff8880b0b72000(0000) knlGS:0000000000000000
[  111.262184][  T843] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  111.262406][  T843] CR2: 0000000000000000 CR3: 00000000055df004 CR4: 0000000000772ef0
[  111.262676][  T843] PKRU: 55555554
[  111.262814][  T843] Call Trace:
[  111.262960][  T843]  <TASK>
[  111.263059][  T843]  ? __ipv6_dev_mc_dec (net/ipv6/mcast.c:1008)
[  111.263249][  T843]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[  111.263460][  T843]  ? enable_delayed_work (kernel/workqueue.c:4359)
[  111.263646][  T843]  ? br_multicast_leave_snoopers (net/bridge/br_multicast.c:4220) bridge
[  111.263915][  T843]  ? br_multicast_join_snoopers (net/bridge/br_multicast.c:4220) bridge
[  111.264186][  T843]  __cancel_work_sync (kernel/workqueue.c:4383)
[  111.264370][  T843]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[  111.264558][  T843]  ? netdev_notify_peers (net/core/dev.c:1891)
[  111.264748][  T843]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[  111.264941][  T843]  __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)
[  111.265136][  T843]  ? find_held_lock (kernel/locking/lockdep.c:5343)
[  111.265324][  T843]  ? netif_set_allmulti (net/core/dev.c:9890)
[  111.265506][  T843]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  111.265698][  T843]  netif_change_flags (net/core/dev.c:9989)
[  111.265880][  T843]  do_setlink.constprop.0 (net/core/rtnetlink.c:3158)
[  111.266088][  T843]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[  111.266271][  T843]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  111.266457][  T843]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[  111.266641][  T843]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  111.266826][  T843]  ? __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)
[  111.267020][  T843]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[  111.267204][  T843]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  111.267395][  T843]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  111.267577][  T843]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[  111.267761][  T843]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[  111.267955][  T843]  ? __create_object (mm/kmemleak.c:786)
[  111.268149][  T843]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  111.268330][  T843]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[  111.268514][  T843]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[  111.268710][  T843]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[  111.268910][  T843]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[  111.269107][  T843]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[  111.269291][  T843]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[  111.269472][  T843]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  111.269657][  T843]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  111.269839][  T843]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[  111.270035][  T843]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  111.270220][  T843]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[  111.270407][  T843]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[  111.270591][  T843]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[  111.270772][  T843]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  111.270965][  T843]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[  111.271156][  T843]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[  111.271454][  T843]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[  111.271640][  T843]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[  111.271820][  T843]  ? 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)
[  111.272018][  T843]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[  111.272313][  T843]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[  111.272493][  T843]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  111.272679][  T843]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[  111.272862][  T843]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  111.273160][  T843]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[  111.273342][  T843]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  111.273547][  T843]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[  111.273732][  T843]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[  111.274088][  T843]  ? __copy_msghdr (net/socket.c:2556)
[  111.274292][  T843]  ___sys_sendmsg (net/socket.c:2686)
[  111.274478][  T843]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[  111.274767][  T843]  ? __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)
[  111.275011][  T843]  ? copy_msghdr_from_user (net/socket.c:2673)
[  111.275201][  T843]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  111.275386][  T843]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  111.275674][  T843]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  111.275859][  T843]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[  111.276056][  T843]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  111.276244][  T843]  __sys_sendmsg (net/socket.c:2716)
[  111.276429][  T843]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[  111.276659][  T843]  ? __sys_sendmsg_sock (net/socket.c:2701)
[  111.276855][  T843]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  111.277063][  T843]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  111.277354][  T843]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  111.277583][  T843] RIP: 0033:0x7febfe0ac1d7
[  111.277779][  T843] 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)
[  111.278593][  T843] RSP: 002b:00007ffeb7f3b7f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  111.278856][  T843] RAX: ffffffffffffffda RBX: 00007ffeb7f3bf20 RCX: 00007febfe0ac1d7
[  111.279279][  T843] RDX: 0000000000000000 RSI: 00007ffeb7f3b860 RDI: 0000000000000005
[  111.279557][  T843] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  111.279953][  T843] R10: 00007febfdfa8f60 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