======================================
| [   57.644889][  T619] ==================================================================
| [   57.645221][  T619] 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)
| [   57.645534][  T619] Write of size 8 at addr 0000000000000000 by task ip/619
| [   57.645779][  T619]
[   57.645965][  T619] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.645971][  T619] Call Trace:
[   57.645974][  T619]  <TASK>
[   57.645977][  T619]  dump_stack_lvl (lib/dump_stack.c:123)
[   57.645986][  T619]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   57.645988][  T619]  kasan_report (mm/kasan/report.c:597)
[   57.645995][  T619]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   57.646001][  T619]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[   57.646004][  T619]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   57.646007][  T619]  ? __ipv6_dev_mc_dec (net/ipv6/mcast.c:1008)
[   57.646014][  T619]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   57.646017][  T619]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   57.646021][  T619]  ? br_multicast_leave_snoopers (net/bridge/br_multicast.c:4220) bridge
[   57.646068][  T619]  ? br_multicast_join_snoopers (net/bridge/br_multicast.c:4220) bridge
[   57.646101][  T619]  __cancel_work_sync (kernel/workqueue.c:4383)
[   57.646105][  T619]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   57.646111][  T619]  ? netdev_notify_peers (net/core/dev.c:1891)
[   57.646116][  T619]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   57.646121][  T619]  __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)
[   57.646124][  T619]  ? find_held_lock (kernel/locking/lockdep.c:5343)
[   57.646129][  T619]  ? netif_set_allmulti (net/core/dev.c:9890)
[   57.646131][  T619]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   57.646137][  T619]  netif_change_flags (net/core/dev.c:9989)
[   57.646141][  T619]  do_setlink.constprop.0 (net/core/rtnetlink.c:3158)
[   57.646147][  T619]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   57.646153][  T619]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.646158][  T619]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   57.646163][  T619]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.646168][  T619]  ? __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)
[   57.646171][  T619]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   57.646174][  T619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   57.646179][  T619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   57.646182][  T619]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   57.646185][  T619]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   57.646191][  T619]  ? __create_object (mm/kmemleak.c:786)
[   57.646194][  T619]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   57.646198][  T619]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   57.646201][  T619]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   57.646204][  T619]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   57.646209][  T619]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   57.646214][  T619]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   57.646219][  T619]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   57.646222][  T619]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.646228][  T619]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.646231][  T619]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   57.646234][  T619]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   57.646238][  T619]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   57.646241][  T619]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   57.646245][  T619]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   57.646247][  T619]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.646254][  T619]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   57.646259][  T619]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   57.646263][  T619]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   57.646269][  T619]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   57.646272][  T619]  ? 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)
[   57.646276][  T619]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   57.646280][  T619]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   57.646284][  T619]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.646290][  T619]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   57.646294][  T619]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   57.646298][  T619]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   57.646305][  T619]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   57.646309][  T619]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   57.646316][  T619]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   57.646319][  T619]  ? __copy_msghdr (net/socket.c:2556)
[   57.646327][  T619]  ___sys_sendmsg (net/socket.c:2686)
[   57.646330][  T619]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   57.646333][  T619]  ? __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)
[   57.646339][  T619]  ? copy_msghdr_from_user (net/socket.c:2673)
[   57.646344][  T619]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.646349][  T619]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.646355][  T619]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.646358][  T619]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   57.646364][  T619]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   57.646370][  T619]  __sys_sendmsg (net/socket.c:2716)
[   57.646374][  T619]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   57.646377][  T619]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   57.646385][  T619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   57.646389][  T619]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.646397][  T619]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   57.646401][  T619] RIP: 0033:0x7f271636f1d7
[   57.646406][  T619] 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)
[   57.646409][  T619] RSP: 002b:00007ffe0f7f7fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   57.646413][  T619] RAX: ffffffffffffffda RBX: 00007ffe0f7f8710 RCX: 00007f271636f1d7
[   57.646415][  T619] RDX: 0000000000000000 RSI: 00007ffe0f7f8050 RDI: 0000000000000005
[   57.646417][  T619] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   57.646418][  T619] R10: 00007f271626bf60 R11: 0000000000000246 R12: 0000000000000003
[   57.646420][  T619] R13: 00000000691cc764 R14: 0000000000499600 R15: 0000000000000000
| [   57.665241][  T619] #PF: error_code(0x0002) - not-present page
| [   57.665466][  T619] PGD 9645067 P4D 9645067 PUD 1e8b067 PMD 0
| [   57.665694][  T619] Oops: Oops: 0002 [#1] SMP KASAN
| [   57.666253][  T619] Tainted: [B]=BAD_PAGE
[   57.666401][  T619] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.666620][  T619] 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)
[   57.666853][  T619] 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
[   57.667508][  T619] RSP: 0018:ffffc90000796f40 EFLAGS: 00010046
[   57.667736][  T619] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9ac4090a
[   57.668011][  T619] RDX: fffffbfff3dcf2cd RSI: 0000000000000008 RDI: ffffffff9ee79660
[   57.668274][  T619] RBP: ffffc90000796fa8 R08: 0000000000000001 R09: fffffbfff3dcf2cc
[   57.668547][  T619] R10: ffffffff9ee79667 R11: ffffc90000796a00 R12: 0000000000000000
[   57.668812][  T619] R13: 0000000000000282 R14: ffff888006072000 R15: dffffc0000000000
[   57.669084][  T619] FS:  00007f27161a1800(0000) GS:ffff888091972000(0000) knlGS:0000000000000000
[   57.669398][  T619] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.669619][  T619] CR2: 0000000000000000 CR3: 0000000002a49002 CR4: 0000000000772ef0
[   57.669891][  T619] PKRU: 55555554
[   57.670034][  T619] Call Trace:
[   57.670170][  T619]  <TASK>
[   57.670294][  T619]  ? __ipv6_dev_mc_dec (net/ipv6/mcast.c:1008)
[   57.670489][  T619]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   57.670666][  T619]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   57.670839][  T619]  ? br_multicast_leave_snoopers (net/bridge/br_multicast.c:4220) bridge
[   57.671109][  T619]  ? br_multicast_join_snoopers (net/bridge/br_multicast.c:4220) bridge
[   57.671379][  T619]  __cancel_work_sync (kernel/workqueue.c:4383)
[   57.671555][  T619]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   57.671729][  T619]  ? netdev_notify_peers (net/core/dev.c:1891)
[   57.671912][  T619]  ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455)
[   57.672099][  T619]  __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)
[   57.672275][  T619]  ? find_held_lock (kernel/locking/lockdep.c:5343)
[   57.672465][  T619]  ? netif_set_allmulti (net/core/dev.c:9890)
[   57.672638][  T619]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   57.672819][  T619]  netif_change_flags (net/core/dev.c:9989)
[   57.673007][  T619]  do_setlink.constprop.0 (net/core/rtnetlink.c:3158)
[   57.673185][  T619]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   57.673383][  T619]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.673575][  T619]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   57.673755][  T619]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.673937][  T619]  ? __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)
[   57.674120][  T619]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   57.674292][  T619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   57.674481][  T619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   57.674654][  T619]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   57.674830][  T619]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   57.675025][  T619]  ? __create_object (mm/kmemleak.c:786)
[   57.675199][  T619]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   57.675381][  T619]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   57.675555][  T619]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   57.675726][  T619]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   57.675908][  T619]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   57.676093][  T619]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   57.676269][  T619]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   57.676455][  T619]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.676629][  T619]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.676804][  T619]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   57.677094][  T619]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   57.677266][  T619]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   57.677449][  T619]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   57.677621][  T619]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   57.677900][  T619]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.678106][  T619]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   57.678298][  T619]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   57.678484][  T619]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   57.678790][  T619]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   57.678976][  T619]  ? 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)
[   57.679158][  T619]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   57.679338][  T619]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   57.679640][  T619]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.679824][  T619]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   57.680014][  T619]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   57.680187][  T619]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   57.680478][  T619]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   57.680649][  T619]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   57.680827][  T619]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   57.681052][  T619]  ? __copy_msghdr (net/socket.c:2556)
[   57.681339][  T619]  ___sys_sendmsg (net/socket.c:2686)
[   57.681518][  T619]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   57.681691][  T619]  ? __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)
[   57.681915][  T619]  ? copy_msghdr_from_user (net/socket.c:2673)
[   57.682098][  T619]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.682274][  T619]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.682459][  T619]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.682656][  T619]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   57.682944][  T619]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   57.683133][  T619]  __sys_sendmsg (net/socket.c:2716)
[   57.683304][  T619]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   57.683548][  T619]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   57.683833][  T619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   57.684020][  T619]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.684195][  T619]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   57.684531][  T619] RIP: 0033:0x7f271636f1d7
[   57.684718][  T619] 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)
[   57.685476][  T619] RSP: 002b:00007ffe0f7f7fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   57.685736][  T619] RAX: ffffffffffffffda RBX: 00007ffe0f7f8710 RCX: 00007f271636f1d7
[   57.686017][  T619] RDX: 0000000000000000 RSI: 00007ffe0f7f8050 RDI: 0000000000000005
[   57.686406][  T619] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   57.686665][  T619] R10: 00007f271626bf60 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