BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 107cda067 P4D 107cda067 PUD 10e597067 PMD 0 
Oops: 0010 [#1] PREEMPT SMP
CPU: 0 PID: 2909 Comm: syz-executor.0 Not tainted 5.14.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
RIP: 0010:0x0
Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.
RSP: 0018:ffffc90004e77d68 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000000000
RDX: 017ff00000000015 RSI: 017ff00000000015 RDI: ffffea000443ac40
RBP: 0000000000000000 R08: ffffea000443ac40 R09: ffff888110eb1000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000001000
R13: 000000000000000c R14: 0000000000011000 R15: ffffea000443ac40
FS:  00007fc0a22ca6c0(0000) GS:ffff88813bc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 0000000107d51000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ntfs_sparse_cluster+0x170/0x330 fs/ntfs3/file.c:346
 ntfs_fallocate+0x35c/0x4f0 fs/ntfs3/file.c:704
 vfs_fallocate+0x148/0x370 fs/open.c:311
 ioctl_preallocate+0x8d/0xc0 fs/ioctl.c:497
 __do_sys_ioctl fs/ioctl.c:1067 [inline]
 __se_sys_ioctl fs/ioctl.c:1055 [inline]
 __x64_sys_ioctl+0x5d/0xb0 fs/ioctl.c:1055
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0x80 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fc0aa968ae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc0a22ca0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fc0aaa88050 RCX: 00007fc0aa968ae9
RDX: 0000000020000780 RSI: 0000000040305828 RDI: 0000000000000004
RBP: 00007fc0aa9b447a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fc0aaa88050 R15: 00007ffc17c091e8
Modules linked in:
CR2: 0000000000000000
---[ end trace bf9235016fa86981 ]---
RIP: 0010:0x0
Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.
RSP: 0018:ffffc90004e77d68 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000000000
RDX: 017ff00000000015 RSI: 017ff00000000015 RDI: ffffea000443ac40
RBP: 0000000000000000 R08: ffffea000443ac40 R09: ffff888110eb1000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000001000
R13: 000000000000000c R14: 0000000000011000 R15: ffffea000443ac40
FS:  00007fc0a22ca6c0(0000) GS:ffff88813bc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 0000000107d51000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400