BUG: kernel NULL pointer dereference, address: 0000000000000086
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 0 P4D 0 
Oops: 0010 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 366 Comm: syz-executor239 Not tainted 5.4.290-syzkaller-00002-g41adfeb3d639 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:0x86
Code: Bad RIP value.
RSP: 0018:ffff8881ee517308 EFLAGS: 00010086
RAX: ffff8881ee517338 RBX: dffffc0000000000 RCX: ffff8881f5cdbf00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000250 R08: ffffffff8231cd01 R09: ffffffff811c8f95
R10: ffff8881f5cdbf00 R11: 0000000000000002 R12: ffffffff84600218
R13: fffffe0000000258 R14: ffff8881eede0000 R15: fffffe000000025b
FS:  0000555578307480(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000000005c CR3: 00000001ef24b000 CR4: 00000000003426b0
Call Trace:
Modules linked in:
CR2: 0000000000000086
---[ end trace 73321d28ac20efa3 ]---
RIP: 0010:0x86
Code: Bad RIP value.
RSP: 0018:ffff8881ee517308 EFLAGS: 00010086
RAX: ffff8881ee517338 RBX: dffffc0000000000 RCX: ffff8881f5cdbf00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000250 R08: ffffffff8231cd01 R09: ffffffff811c8f95
R10: ffff8881f5cdbf00 R11: 0000000000000002 R12: ffffffff84600218
R13: fffffe0000000258 R14: ffff8881eede0000 R15: fffffe000000025b
FS:  0000555578307480(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000000005c CR3: 00000001ef24b000 CR4: 00000000003426b0