BUG: kernel NULL pointer dereference, address: 0000000000000000
#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: 3651 Comm: syz-executor.0 Not tainted 5.18.0-rc2-syzkaller-00021-g2d2d5cb6ca84 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:0x0
Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.
RSP: 0018:ffffc90003fbf8c8 EFLAGS: 00010246
RAX: ffffffff89da96a0 RBX: ffff88801d7fb901 RCX: 0000000000000000
RDX: 0000000000000003 RSI: ffffc90003fbf938 RDI: ffff88801d7fb8c0
RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000
R10: ffffffff81ed821b R11: 0000000000000000 R12: 0000000000000003
R13: ffffc90003fbf938 R14: ffff88801d7fb8c0 R15: ffff88801d7fb938
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 000000000ba8e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 io_do_iopoll+0x24d/0x1060
 io_iopoll_try_reap_events+0xc8/0x17a
 io_ring_ctx_wait_and_kill+0x1d3/0x31f
 io_uring_release+0x40/0x44
 __fput+0x264/0x980
 task_work_run+0xdd/0x1a0
 do_exit+0xb3b/0x2a80
 do_group_exit+0xd2/0x2f0
 get_signal+0x22d8/0x2650
 arch_do_signal_or_restart+0x82/0x2290
 exit_to_user_mode_prepare+0x14b/0x250
 syscall_exit_to_user_mode+0x19/0x60
 do_syscall_64+0x40/0xb0
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x563cb5a69929
Code: Unable to access opcode bytes at RIP 0x563cb5a698ff.
RSP: 002b:00007f267eda5178 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 0000563cb5b7bf68 RCX: 0000563cb5a69929
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 0000563cb5b7bf6c
RBP: 0000563cb5b7bf60 R08: 0000000000000001 R09: 00007f267eda56c0
R10: 0000000000000001 R11: 0000000000000246 R12: 0000563cb5b7bf6c
R13: 000000000000000b R14: 00007ffcf62ccc60 R15: 00007ffcf62ccd48
 </TASK>
Modules linked in:
CR2: 0000000000000000
---[ end trace 0000000000000000 ]---
RIP: 0010:0x0
Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.
RSP: 0018:ffffc90003fbf8c8 EFLAGS: 00010246
RAX: ffffffff89da96a0 RBX: ffff88801d7fb901 RCX: 0000000000000000
RDX: 0000000000000003 RSI: ffffc90003fbf938 RDI: ffff88801d7fb8c0
RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000
R10: ffffffff81ed821b R11: 0000000000000000 R12: 0000000000000003
R13: ffffc90003fbf938 R14: ffff88801d7fb8c0 R15: ffff88801d7fb938
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 000000000ba8e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
