BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 80000000351bf067 P4D 80000000351bf067 PUD 0 
Oops: Oops: 0010 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 5930 Comm: syz.4.5 Not tainted 6.14.0-syzkaller-12508-g92b71befc349 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc90004367ad8 EFLAGS: 00010246
RAX: 1ffffffff18fab45 RBX: 0000000000000000 RCX: 0000000000000009
RDX: 0000000000000000 RSI: ffff88805a089a78 RDI: ffff888035529880
RBP: ffffc90004367c28 R08: ffffc90004367ba0 R09: ffffc90004367bc0
R10: dffffc0000000000 R11: 0000000000000000 R12: 0000000000000009
R13: dffffc0000000000 R14: ffff88802d321e00 R15: ffffffff8c7d5a28
FS:  00007f0ff11f66c0(0000) GS:ffff888124fcf000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 0000000036a54000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 generic_perform_write+0x329/0xa10 mm/filemap.c:4102
 ntfs_file_write_iter+0x6ee/0x7f0 fs/ntfs3/file.c:1267
 new_sync_write fs/read_write.c:591 [inline]
 vfs_write+0x70f/0xd10 fs/read_write.c:684
 ksys_write+0x19d/0x2d0 fs/read_write.c:736
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0ff338d169
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:00007f0ff11f6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f0ff35a5fa0 RCX: 00007f0ff338d169
RDX: 0000000000000009 RSI: 0000200000000280 RDI: 0000000000000004
RBP: 00007f0ff340e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f0ff35a5fa0 R15: 00007ffdc1412fc8
 </TASK>
Modules linked in:
CR2: 0000000000000000
---[ end trace 0000000000000000 ]---
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc90004367ad8 EFLAGS: 00010246
RAX: 1ffffffff18fab45 RBX: 0000000000000000 RCX: 0000000000000009
RDX: 0000000000000000 RSI: ffff88805a089a78 RDI: ffff888035529880
RBP: ffffc90004367c28 R08: ffffc90004367ba0 R09: ffffc90004367bc0
R10: dffffc0000000000 R11: 0000000000000000 R12: 0000000000000009
R13: dffffc0000000000 R14: ffff88802d321e00 R15: ffffffff8c7d5a28
FS:  00007f0ff11f66c0(0000) GS:ffff888124fcf000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 0000000036a54000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400