BUG: kernel NULL pointer dereference, address: 0000000000000005
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 0 P4D 0 
Oops: Oops: 0010 [#1] SMP KASAN NOPTI
CPU: 1 UID: 0 PID: 3540 Comm: kworker/u8:2 Tainted: G        W           6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary) 
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Workqueue: ipv6_addrconf addrconf_dad_work
RIP: 0010:0x5
Code: Unable to access opcode bytes at 0xffffffffffffffdb.
RSP: 0018:ffff88806cf089d0 EFLAGS: 00010246
RAX: 0000000000000005 RBX: dffffc0000000000 RCX: ffffffff84270201
RDX: 1ffffd1ffffa419c RSI: ffffffff8427013f RDI: ffff88801d961000
RBP: ffff88801d961000 R08: ffffe8ffffd20ce0 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88806cf08a98
R13: 0000000000000001 R14: 0000000000000001 R15: ffff88801d961058
FS:  0000000000000000(0000) GS:ffff8880e56d8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffdb CR3: 000000000e167000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 </TASK>
Modules linked in:
CR2: 0000000000000005
---[ end trace 0000000000000000 ]---
RIP: 0010:0x5
Code: Unable to access opcode bytes at 0xffffffffffffffdb.
RSP: 0018:ffff88806cf089d0 EFLAGS: 00010246
RAX: 0000000000000005 RBX: dffffc0000000000 RCX: ffffffff84270201
RDX: 1ffffd1ffffa419c RSI: ffffffff8427013f RDI: ffff88801d961000
RBP: ffff88801d961000 R08: ffffe8ffffd20ce0 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88806cf08a98
R13: 0000000000000001 R14: 0000000000000001 R15: ffff88801d961058
FS:  0000000000000000(0000) GS:ffff8880e56d8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffdb CR3: 000000000e167000 CR4: 0000000000350ef0