BUG: kernel NULL pointer dereference, address: 0000000000000086
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 1ec8cb067 P4D 1ec8cb067 PUD 1ee233067 PMD 0 
Oops: 0010 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 9744 Comm: syz-executor.4 Not tainted 5.4.89-syzkaller-00264-gdc04463953b2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:0x86
Code: Bad RIP value.
RSP: 0018:ffff8881f554f828 EFLAGS: 00010086
RAX: ffff8881f554f858 RBX: fffffe0000000000 RCX: 0000000000040000
RDX: ffffc90008f3e000 RSI: 0000000000000be9 RDI: 0000000000000bea
RBP: 0000000000000ec0 R08: ffffffff8229f0b0 R09: ffffffff811d164b
R10: ffff8881e5498f80 R11: 0000000000000002 R12: dffffc0000000000
R13: fffffe0000000ec8 R14: ffffffff846013f0 R15: fffffe0000000ecb
FS:  00007f9fa6521700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000000005c CR3: 00000001f2b70000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
Modules linked in:
CR2: 0000000000000086
---[ end trace ab45f38ff15cf4b5 ]---
RIP: 0010:0x86
Code: Bad RIP value.
RSP: 0018:ffff8881f554f828 EFLAGS: 00010086
RAX: ffff8881f554f858 RBX: fffffe0000000000 RCX: 0000000000040000
RDX: ffffc90008f3e000 RSI: 0000000000000be9 RDI: 0000000000000bea
RBP: 0000000000000ec0 R08: ffffffff8229f0b0 R09: ffffffff811d164b
R10: ffff8881e5498f80 R11: 0000000000000002 R12: dffffc0000000000
R13: fffffe0000000ec8 R14: ffffffff846013f0 R15: fffffe0000000ecb
FS:  00007f9fa6521700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000000005c CR3: 00000001f2b70000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400