======================================
| [   94.625582][  T594] ==================================================================
| [   94.625961][  T594] 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)
| [   94.626269][  T594] Write of size 8 at addr 0000000000000000 by task ip/594
| [   94.626507][  T594]
[   94.626625][  T594] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.626628][  T594] Call Trace:
[   94.626632][  T594]  <TASK>
[   94.626635][  T594]  dump_stack_lvl (lib/dump_stack.c:123)
[   94.626659][  T594]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   94.626664][  T594]  kasan_report (mm/kasan/report.c:597)
[   94.626677][  T594]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   94.626683][  T594]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[   94.626686][  T594]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[   94.626692][  T594]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   94.626695][  T594]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   94.626699][  T594]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[   94.626703][  T594]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   94.626711][  T594]  __cancel_work_sync (kernel/workqueue.c:4383)
[   94.626715][  T594]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   94.626729][  T594]  ? netdev_notify_peers (net/core/dev.c:1891)
[   94.626735][  T594]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   94.626751][  T594]  netif_close_many (net/core/dev.c:1959)
[   94.626755][  T594]  ? _raw_spin_unlock (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186)
[   94.626773][  T594]  ? __dev_close_many (net/core/dev.c:1949)
[   94.626776][  T594]  ? dev_getbyhwaddr_rcu (net/core/dev.c:10950)
[   94.626779][  T594]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   94.626785][  T594]  __dev_change_net_namespace (./include/linux/list.h:119 ./include/linux/list.h:223 ./include/linux/list.h:237 net/core/dev.c:1975 net/core/dev.c:1968 net/core/dev.c:12746)
[   94.626794][  T594]  ? default_device_exit_batch (net/core/dev.c:12662)
[   94.626797][  T594]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   94.626801][  T594]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   94.626807][  T594]  ? rtnl_af_lookup (net/core/rtnetlink.c:2675)
[   94.626815][  T594]  ? is_bpf_text_address (kernel/bpf/core.c:749)
[   94.626833][  T594]  ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94)
[   94.626841][  T594]  do_setlink.constprop.0 (net/core/rtnetlink.c:3060)
[   94.626845][  T594]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   94.626851][  T594]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   94.626861][  T594]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   94.626866][  T594]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   94.626871][  T594]  ? __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)
[   94.626875][  T594]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   94.626878][  T594]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   94.626886][  T594]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   94.626889][  T594]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   94.626893][  T594]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   94.626897][  T594]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   94.626900][  T594]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   94.626903][  T594]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   94.626909][  T594]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   94.626920][  T594]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   94.626926][  T594]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   94.626931][  T594]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   94.626933][  T594]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   94.626939][  T594]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   94.626943][  T594]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   94.626946][  T594]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   94.626950][  T594]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   94.626953][  T594]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   94.626957][  T594]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   94.626959][  T594]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   94.626966][  T594]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   94.626974][  T594]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   94.626978][  T594]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   94.626984][  T594]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   94.626987][  T594]  ? 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)
[   94.626991][  T594]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   94.626996][  T594]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   94.627001][  T594]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   94.627007][  T594]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   94.627011][  T594]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   94.627015][  T594]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   94.627027][  T594]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   94.627031][  T594]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   94.627042][  T594]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   94.627046][  T594]  ? __copy_msghdr (net/socket.c:2556)
[   94.627053][  T594]  ___sys_sendmsg (net/socket.c:2686)
[   94.627057][  T594]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   94.627060][  T594]  ? __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)
[   94.627068][  T594]  ? copy_msghdr_from_user (net/socket.c:2673)
[   94.627073][  T594]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   94.627078][  T594]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   94.627084][  T594]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   94.627087][  T594]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   94.627100][  T594]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   94.627106][  T594]  __sys_sendmsg (net/socket.c:2716)
[   94.627110][  T594]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   94.627113][  T594]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   94.627121][  T594]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   94.627125][  T594]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   94.627131][  T594]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   94.627141][  T594] RIP: 0033:0x7f4e410d31d7
[   94.627146][  T594] 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)
[   94.627149][  T594] RSP: 002b:00007ffe4c749368 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   94.627155][  T594] RAX: ffffffffffffffda RBX: 00007ffe4c749a90 RCX: 00007f4e410d31d7
[   94.627157][  T594] RDX: 0000000000000000 RSI: 00007ffe4c7493d0 RDI: 0000000000000005
[   94.627161][  T594] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   94.627162][  T594] R10: 00007f4e40fcff60 R11: 0000000000000246 R12: 0000000000000004
[   94.627164][  T594] R13: 00000000691cd83a R14: 0000000000499600 R15: 0000000000000000
| [   94.648757][  T594] #PF: error_code(0x0002) - not-present page
| [   94.648985][  T594] PGD f251067 P4D f251067 PUD 94db067 PMD 0
| [   94.649206][  T594] Oops: Oops: 0002 [#1] SMP KASAN
| [   94.649882][  T594] Tainted: [B]=BAD_PAGE
[   94.650017][  T594] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.650344][  T594] 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)
[   94.650579][  T594] 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
[   94.651227][  T594] RSP: 0018:ffffc90000826dd0 EFLAGS: 00010046
[   94.651456][  T594] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9724090a
[   94.651738][  T594] RDX: fffffbfff368f2cd RSI: 0000000000000008 RDI: ffffffff9b479660
[   94.652117][  T594] RBP: ffffc90000826e38 R08: 0000000000000001 R09: fffffbfff368f2cc
[   94.652389][  T594] R10: ffffffff9b479667 R11: ffffc900008268c0 R12: 0000000000000000
[   94.652811][  T594] R13: 0000000000000282 R14: ffff888008b61000 R15: dffffc0000000000
[   94.653082][  T594] FS:  00007f4e40f05800(0000) GS:ffff88809af72000(0000) knlGS:0000000000000000
[   94.653391][  T594] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.653749][  T594] CR2: 0000000000000000 CR3: 000000000f2c4004 CR4: 0000000000772ef0
[   94.654022][  T594] PKRU: 55555554
[   94.654151][  T594] Call Trace:
[   94.654290][  T594]  <TASK>
[   94.654491][  T594]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[   94.654685][  T594]  ? enable_delayed_work (kernel/workqueue.c:4359)
[   94.654876][  T594]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[   94.655051][  T594]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   94.655336][  T594]  __cancel_work_sync (kernel/workqueue.c:4383)
[   94.655512][  T594]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[   94.655702][  T594]  ? netdev_notify_peers (net/core/dev.c:1891)
[   94.655888][  T594]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   94.656169][  T594]  netif_close_many (net/core/dev.c:1959)
[   94.656349][  T594]  ? _raw_spin_unlock (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186)
[   94.656522][  T594]  ? __dev_close_many (net/core/dev.c:1949)
[   94.656713][  T594]  ? dev_getbyhwaddr_rcu (net/core/dev.c:10950)
[   94.657006][  T594]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   94.657185][  T594]  __dev_change_net_namespace (./include/linux/list.h:119 ./include/linux/list.h:223 ./include/linux/list.h:237 net/core/dev.c:1975 net/core/dev.c:1968 net/core/dev.c:12746)
[   94.657405][  T594]  ? default_device_exit_batch (net/core/dev.c:12662)
[   94.657627][  T594]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   94.657930][  T594]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   94.658107][  T594]  ? rtnl_af_lookup (net/core/rtnetlink.c:2675)
[   94.658282][  T594]  ? is_bpf_text_address (kernel/bpf/core.c:749)
[   94.658474][  T594]  ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94)
[   94.658778][  T594]  do_setlink.constprop.0 (net/core/rtnetlink.c:3060)
[   94.658962][  T594]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[   94.659134][  T594]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   94.659313][  T594]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[   94.659597][  T594]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   94.659804][  T594]  ? __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)
[   94.659990][  T594]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[   94.660163][  T594]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   94.660449][  T594]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   94.660625][  T594]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[   94.660807][  T594]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[   94.660992][  T594]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   94.661273][  T594]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[   94.661457][  T594]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[   94.661639][  T594]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[   94.661835][  T594]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[   94.662119][  T594]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[   94.662294][  T594]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   94.662467][  T594]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   94.662645][  T594]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   94.662956][  T594]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[   94.663135][  T594]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   94.663314][  T594]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[   94.663488][  T594]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[   94.663840][  T594]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   94.664012][  T594]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   94.664186][  T594]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[   94.664362][  T594]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[   94.664710][  T594]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[   94.664915][  T594]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[   94.665088][  T594]  ? 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)
[   94.665283][  T594]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[   94.665565][  T594]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[   94.665752][  T594]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   94.665960][  T594]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[   94.666131][  T594]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   94.666426][  T594]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[   94.666602][  T594]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[   94.666792][  T594]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[   94.666977][  T594]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[   94.667305][  T594]  ? __copy_msghdr (net/socket.c:2556)
[   94.667481][  T594]  ___sys_sendmsg (net/socket.c:2686)
[   94.667652][  T594]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[   94.667841][  T594]  ? __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)
[   94.668173][  T594]  ? copy_msghdr_from_user (net/socket.c:2673)
[   94.668356][  T594]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   94.668528][  T594]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   94.668831][  T594]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   94.669006][  T594]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[   94.669182][  T594]  ? __lock_release (kernel/locking/lockdep.c:5536)
[   94.669359][  T594]  __sys_sendmsg (net/socket.c:2716)
[   94.669644][  T594]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[   94.669882][  T594]  ? __sys_sendmsg_sock (net/socket.c:2701)
[   94.670058][  T594]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[   94.670229][  T594]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   94.670512][  T594]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   94.670742][  T594] RIP: 0033:0x7f4e410d31d7
[   94.670944][  T594] 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)
[   94.671688][  T594] RSP: 002b:00007ffe4c749368 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   94.671969][  T594] RAX: ffffffffffffffda RBX: 00007ffe4c749a90 RCX: 00007f4e410d31d7
[   94.672343][  T594] RDX: 0000000000000000 RSI: 00007ffe4c7493d0 RDI: 0000000000000005
[   94.672608][  T594] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   94.673009][  T594] R10: 00007f4e40fcff60 R11: 0000000000000246 R12: 0000000000000004


Finger prints:
try_to_grab_pending:__cancel_work:__cancel_work_sync:__dev_close_many:netif_close_many
kasan_report:kasan_check_range:try_to_grab_pending:__cancel_work:__cancel_work_sync