BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 8000000012815067 P4D 8000000012815067 PUD 5ae29067 PMD 0 
Oops: Oops: 0010 [#1] PREEMPT SMP KASAN PTI
CPU: 0 UID: 0 PID: 6832 Comm: syz.6.106 Not tainted 6.12.0-syzkaller-10740-g509f806f7f70 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc90003377af8 EFLAGS: 00010246
RAX: 1ffffffff187acad RBX: ffffffff8c3d6568 RCX: 000000000000000e
RDX: 0000000000000000 RSI: ffff88805aa39320 RDI: ffff8880351a0700
RBP: ffffc90003377c40 R08: ffffc90003377ba0 R09: ffffc90003377bc0
R10: dffffc0000000000 R11: 0000000000000000 R12: 000000000000000e
R13: dffffc0000000000 R14: ffff88802fd00000 R15: ffff88805aa39414
FS:  00007f2a862506c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 00000000251c0000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 generic_perform_write+0x344/0x6d0 mm/filemap.c:4055
 ntfs_file_write_iter+0x69c/0x7a0 fs/ntfs3/file.c:1267
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0xaeb/0xd30 fs/read_write.c:679
 ksys_write+0x18f/0x2b0 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2a85380849
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:00007f2a86250058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f2a85545fa0 RCX: 00007f2a85380849
RDX: 000000000000000e RSI: 0000000020000000 RDI: 0000000000000004
RBP: 00007f2a853f3986 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f2a85545fa0 R15: 00007ffd38e50e98
 </TASK>
Modules linked in:
CR2: 0000000000000000
---[ end trace 0000000000000000 ]---
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc90003377af8 EFLAGS: 00010246
RAX: 1ffffffff187acad RBX: ffffffff8c3d6568 RCX: 000000000000000e
RDX: 0000000000000000 RSI: ffff88805aa39320 RDI: ffff8880351a0700
RBP: ffffc90003377c40 R08: ffffc90003377ba0 R09: ffffc90003377bc0
R10: dffffc0000000000 R11: 0000000000000000 R12: 000000000000000e
R13: dffffc0000000000 R14: ffff88802fd00000 R15: ffff88805aa39414
FS:  00007f2a862506c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 00000000251c0000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400