BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 59a45067 P4D 59a45067 PUD 58e0c067 PMD 0 
Oops: 0010 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 4476 Comm: syz.0.183 Not tainted 6.1.96-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc90004327cc8 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffffea000161e380 RCX: dffffc0000000000
RDX: ffffc90009999000 RSI: ffffea000161e380 RDI: ffff88805de8ebb8
RBP: 0000000000000000 R08: ffffffff81bac096 R09: fffff940002c3c71
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000800
R13: 0000000000000000 R14: ffff888058b67658 R15: ffffffffffffffff
FS:  00007f6f623de6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 0000000018fe3000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ntfs_sparse_cluster+0x718/0xa20 fs/ntfs3/file.c:335
 ntfs_fallocate+0xa70/0x1020 fs/ntfs3/file.c:727
 vfs_fallocate+0x547/0x6b0 fs/open.c:323
 ksys_fallocate fs/open.c:346 [inline]
 __do_sys_fallocate fs/open.c:354 [inline]
 __se_sys_fallocate fs/open.c:352 [inline]
 __x64_sys_fallocate+0xb9/0x100 fs/open.c:352
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f6f62575b99
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f6f623de048 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f6f62704078 RCX: 00007f6f62575b99
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007f6f625f677e R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000ce18 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f6f62704078 R15: 00007ffdb9a99338
 </TASK>
Modules linked in:
CR2: 0000000000000000
---[ end trace 0000000000000000 ]---
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc90004327cc8 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffffea000161e380 RCX: dffffc0000000000
RDX: ffffc90009999000 RSI: ffffea000161e380 RDI: ffff88805de8ebb8
RBP: 0000000000000000 R08: ffffffff81bac096 R09: fffff940002c3c71
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000800
R13: 0000000000000000 R14: ffff888058b67658 R15: ffffffffffffffff
FS:  00007f6f623de6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 0000000018fe3000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400