BUG: kernel NULL pointer dereference, address: 0000000000000086
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD a88f9067 P4D a88f9067 PUD 956d6067 PMD 0 
Oops: 0010 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 8791 Comm: syz-executor048 Not tainted 5.6.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:0x86
Code: Bad RIP value.
RSP: 0018:ffffc90002077998 EFLAGS: 00010086
RAX: ffffc900020779c8 RBX: fffffe0000000000 RCX: ffff8880a797e640
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000ec0 R08: ffffffff83987263 R09: ffffffff811c7eca
R10: ffff8880a797e640 R11: 0000000000000002 R12: dffffc0000000000
R13: fffffe0000000ec8 R14: ffffffff880016f0 R15: fffffe0000000ecb
FS:  0000000000e21880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000000005c CR3: 0000000099e69000 CR4: 00000000001426e0
Call Trace:
Modules linked in:
CR2: 0000000000000086
---[ end trace 7abe4b45c9ef2fe0 ]---
RIP: 0010:0x86
Code: Bad RIP value.
RSP: 0018:ffffc90002077998 EFLAGS: 00010086
RAX: ffffc900020779c8 RBX: fffffe0000000000 RCX: ffff8880a797e640
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000ec0 R08: ffffffff83987263 R09: ffffffff811c7eca
R10: ffff8880a797e640 R11: 0000000000000002 R12: dffffc0000000000
R13: fffffe0000000ec8 R14: ffffffff880016f0 R15: fffffe0000000ecb
FS:  0000000000e21880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000000005c CR3: 0000000099e69000 CR4: 00000000001426e0