======================================
| [  465.974609][ T4259] ==================================================================
| [  465.975061][ T4259] 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)
| [  465.975412][ T4259] Write of size 8 at addr 0000000000000000 by task ip/4259
| [  465.975743][ T4259]
[  465.975862][ T4259] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  465.975866][ T4259] Call Trace:
[  465.975870][ T4259]  <TASK>
[  465.975872][ T4259]  dump_stack_lvl (lib/dump_stack.c:123)
[  465.975883][ T4259]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[  465.975886][ T4259]  kasan_report (mm/kasan/report.c:597)
[  465.975892][ T4259]  ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[  465.975897][ T4259]  kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200)
[  465.975900][ T4259]  try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072)
[  465.975906][ T4259]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[  465.975909][ T4259]  ? enable_delayed_work (kernel/workqueue.c:4359)
[  465.975913][ T4259]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[  465.975916][ T4259]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  465.975923][ T4259]  __cancel_work_sync (kernel/workqueue.c:4383)
[  465.975927][ T4259]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[  465.975933][ T4259]  ? netdev_notify_peers (net/core/dev.c:1891)
[  465.975937][ T4259]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  465.975943][ T4259]  netif_close_many (net/core/dev.c:1959)
[  465.975948][ T4259]  ? _raw_spin_unlock (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186)
[  465.975953][ T4259]  ? __dev_close_many (net/core/dev.c:1949)
[  465.975956][ T4259]  ? dev_getbyhwaddr_rcu (net/core/dev.c:10950)
[  465.975959][ T4259]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  465.975965][ T4259]  __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)
[  465.975972][ T4259]  ? default_device_exit_batch (net/core/dev.c:12662)
[  465.975975][ T4259]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  465.975980][ T4259]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  465.975990][ T4259]  ? rtnl_af_lookup (net/core/rtnetlink.c:2675)
[  465.975996][ T4259]  ? is_bpf_text_address (kernel/bpf/core.c:749)
[  465.976010][ T4259]  ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94)
[  465.976021][ T4259]  do_setlink.constprop.0 (net/core/rtnetlink.c:3060)
[  465.976030][ T4259]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[  465.976039][ T4259]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  465.976049][ T4259]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[  465.976059][ T4259]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  465.976067][ T4259]  ? __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)
[  465.976074][ T4259]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[  465.976079][ T4259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  465.976086][ T4259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  465.976090][ T4259]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[  465.976096][ T4259]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[  465.976102][ T4259]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  465.976108][ T4259]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[  465.976113][ T4259]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[  465.976120][ T4259]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[  465.976126][ T4259]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[  465.976136][ T4259]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[  465.976144][ T4259]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[  465.976149][ T4259]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  465.976159][ T4259]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  465.976166][ T4259]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[  465.976170][ T4259]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  465.976177][ T4259]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[  465.976181][ T4259]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[  465.976186][ T4259]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[  465.976189][ T4259]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  465.976196][ T4259]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[  465.976200][ T4259]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[  465.976204][ T4259]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[  465.976211][ T4259]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[  465.976214][ T4259]  ? 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)
[  465.976218][ T4259]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[  465.976223][ T4259]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[  465.976227][ T4259]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  465.976232][ T4259]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[  465.976237][ T4259]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  465.976240][ T4259]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[  465.976247][ T4259]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  465.976250][ T4259]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[  465.976256][ T4259]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[  465.976259][ T4259]  ? __copy_msghdr (net/socket.c:2556)
[  465.976267][ T4259]  ___sys_sendmsg (net/socket.c:2686)
[  465.976270][ T4259]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[  465.976273][ T4259]  ? __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)
[  465.976281][ T4259]  ? copy_msghdr_from_user (net/socket.c:2673)
[  465.976286][ T4259]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  465.976291][ T4259]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  465.976296][ T4259]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  465.976300][ T4259]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[  465.976307][ T4259]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  465.976313][ T4259]  __sys_sendmsg (net/socket.c:2716)
[  465.976316][ T4259]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[  465.976320][ T4259]  ? __sys_sendmsg_sock (net/socket.c:2701)
[  465.976328][ T4259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  465.976332][ T4259]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  465.976338][ T4259]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  465.976342][ T4259] RIP: 0033:0x7efe661781d7
[  465.976348][ T4259] 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)
[  465.976351][ T4259] RSP: 002b:00007ffed24a9b08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  465.976359][ T4259] RAX: ffffffffffffffda RBX: 00007ffed24aa230 RCX: 00007efe661781d7
[  465.976361][ T4259] RDX: 0000000000000000 RSI: 00007ffed24a9b70 RDI: 0000000000000005
[  465.976363][ T4259] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  465.976365][ T4259] R10: 00007efe66074f60 R11: 0000000000000246 R12: 0000000000000004
[  465.976366][ T4259] R13: 00000000691cbbce R14: 0000000000499600 R15: 0000000000000000
| [  465.997821][ T4259] #PF: error_code(0x0002) - not-present page
| [  465.998044][ T4259] PGD ec46067 P4D ec46067 PUD 180af067 PMD 0
| [  465.998428][ T4259] Oops: Oops: 0002 [#1] SMP KASAN
| [  465.999051][ T4259] Tainted: [B]=BAD_PAGE
[  465.999206][ T4259] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  465.999439][ T4259] 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)
[  465.999775][ T4259] 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
[  466.000528][ T4259] RSP: 0018:ffffc90008b5edd0 EFLAGS: 00010046
[  466.000805][ T4259] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9824090a
[  466.001118][ T4259] RDX: fffffbfff388f2cd RSI: 0000000000000008 RDI: ffffffff9c479660
[  466.001433][ T4259] RBP: ffffc90008b5ee38 R08: 0000000000000001 R09: fffffbfff388f2cc
[  466.001775][ T4259] R10: ffffffff9c479667 R11: ffffc90008b5e8c0 R12: 0000000000000000
[  466.002058][ T4259] R13: 0000000000000282 R14: ffff888009af4000 R15: dffffc0000000000
[  466.002372][ T4259] FS:  00007efe65faa800(0000) GS:ffff888099e72000(0000) knlGS:0000000000000000
[  466.002703][ T4259] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  466.002948][ T4259] CR2: 0000000000000000 CR3: 00000000180a9004 CR4: 0000000000772ef0
[  466.003236][ T4259] PKRU: 55555554
[  466.003428][ T4259] Call Trace:
[  466.003573][ T4259]  <TASK>
[  466.003712][ T4259]  __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364)
[  466.003896][ T4259]  ? enable_delayed_work (kernel/workqueue.c:4359)
[  466.004106][ T4259]  ? queue_delayed_work_on (kernel/workqueue.c:2590)
[  466.004322][ T4259]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  466.004506][ T4259]  __cancel_work_sync (kernel/workqueue.c:4383)
[  466.004703][ T4259]  __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2))
[  466.005081][ T4259]  ? netdev_notify_peers (net/core/dev.c:1891)
[  466.005301][ T4259]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  466.005535][ T4259]  netif_close_many (net/core/dev.c:1959)
[  466.005710][ T4259]  ? _raw_spin_unlock (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186)
[  466.006072][ T4259]  ? __dev_close_many (net/core/dev.c:1949)
[  466.006268][ T4259]  ? dev_getbyhwaddr_rcu (net/core/dev.c:10950)
[  466.006441][ T4259]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  466.006693][ T4259]  __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)
[  466.007012][ T4259]  ? default_device_exit_batch (net/core/dev.c:12662)
[  466.007305][ T4259]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  466.007575][ T4259]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  466.007747][ T4259]  ? rtnl_af_lookup (net/core/rtnetlink.c:2675)
[  466.008020][ T4259]  ? is_bpf_text_address (kernel/bpf/core.c:749)
[  466.008204][ T4259]  ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94)
[  466.008495][ T4259]  do_setlink.constprop.0 (net/core/rtnetlink.c:3060)
[  466.008691][ T4259]  ? rtnl_newlink_create (net/core/rtnetlink.c:3036)
[  466.008961][ T4259]  ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  466.009140][ T4259]  ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876)
[  466.009341][ T4259]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  466.009547][ T4259]  ? __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)
[  466.009895][ T4259]  ? __mutex_handoff (kernel/locking/mutex.c:88)
[  466.010063][ T4259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  466.010263][ T4259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  466.010435][ T4259]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21))
[  466.010742][ T4259]  ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760)
[  466.010988][ T4259]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  466.011165][ T4259]  ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071)
[  466.011377][ T4259]  ? ww_mutex_lock (kernel/locking/mutex.c:759)
[  466.011619][ T4259]  ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21))
[  466.011807][ T4259]  ? __rtnl_newlink (net/core/rtnetlink.c:3922)
[  466.012056][ T4259]  rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073)
[  466.012269][ T4259]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[  466.012670][ T4259]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  466.012849][ T4259]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  466.013028][ T4259]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[  466.013335][ T4259]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  466.013655][ T4259]  ? __rtnl_newlink (net/core/rtnetlink.c:3963)
[  466.013861][ T4259]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[  466.014035][ T4259]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[  466.014284][ T4259]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  466.014610][ T4259]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[  466.014833][ T4259]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[  466.015047][ T4259]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[  466.015238][ T4259]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[  466.015569][ T4259]  ? 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)
[  466.015776][ T4259]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[  466.015953][ T4259]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[  466.016219][ T4259]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  466.016503][ T4259]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[  466.016673][ T4259]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  466.016864][ T4259]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[  466.017083][ T4259]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  466.017423][ T4259]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[  466.017596][ T4259]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[  466.017808][ T4259]  ? __copy_msghdr (net/socket.c:2556)
[  466.018178][ T4259]  ___sys_sendmsg (net/socket.c:2686)
[  466.018504][ T4259]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[  466.018739][ T4259]  ? __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)
[  466.019024][ T4259]  ? copy_msghdr_from_user (net/socket.c:2673)
[  466.019395][ T4259]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  466.019606][ T4259]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  466.019818][ T4259]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  466.020067][ T4259]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[  466.020430][ T4259]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  466.020679][ T4259]  __sys_sendmsg (net/socket.c:2716)
[  466.020889][ T4259]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[  466.021114][ T4259]  ? __sys_sendmsg_sock (net/socket.c:2701)
[  466.021406][ T4259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  466.021576][ T4259]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  466.021745][ T4259]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  466.021982][ T4259] RIP: 0033:0x7efe661781d7
[  466.022298][ T4259] 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)
[  466.023090][ T4259] RSP: 002b:00007ffed24a9b08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  466.023511][ T4259] RAX: ffffffffffffffda RBX: 00007ffed24aa230 RCX: 00007efe661781d7
[  466.023815][ T4259] RDX: 0000000000000000 RSI: 00007ffed24a9b70 RDI: 0000000000000005
[  466.024194][ T4259] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[  466.024455][ T4259] R10: 00007efe66074f60 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