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: Oops: 0010 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5328 Comm: syz.0.0 Not tainted 6.14.0-rc6-syzkaller-00212-geb88e6bfbc0a #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc9000d3b7898 EFLAGS: 00010246
RAX: 1ffffffff18ba53d RBX: ffffffff8c5d29e8 RCX: 0000000000000002
RDX: 000000000000000e RSI: ffff8880530bdc90 RDI: ffff888012753540
RBP: ffffc9000d3b79c8 R08: ffffc9000d3b7940 R09: ffffc9000d3b7960
R10: dffffc0000000000 R11: 0000000000000000 R12: 0000000000000002
R13: 0000000000000002 R14: dffffc0000000000 R15: ffff88801bb48000
FS:  00007efc7c53a6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 000000003667e000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 generic_perform_write+0x346/0x990 mm/filemap.c:4102
 ntfs_file_write_iter+0x6ee/0x7f0 fs/ntfs3/file.c:1267
 aio_write+0x56b/0x7c0 fs/aio.c:1633
 io_submit_one+0x8a7/0x18a0 fs/aio.c:2052
 __do_sys_io_submit fs/aio.c:2111 [inline]
 __se_sys_io_submit+0x171/0x2e0 fs/aio.c:2081
 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: 0033:0x7efc7b78d169
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:00007efc7c53a038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00007efc7b9a6080 RCX: 00007efc7b78d169
RDX: 0000400000000540 RSI: 0000000000000001 RDI: 00007efc7c519000
RBP: 00007efc7b80e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007efc7b9a6080 R15: 00007ffdf7c8a8b8
 </TASK>
Modules linked in:
CR2: 0000000000000000
---[ end trace 0000000000000000 ]---
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc9000d3b7898 EFLAGS: 00010246
RAX: 1ffffffff18ba53d RBX: ffffffff8c5d29e8 RCX: 0000000000000002
RDX: 000000000000000e RSI: ffff8880530bdc90 RDI: ffff888012753540
RBP: ffffc9000d3b79c8 R08: ffffc9000d3b7940 R09: ffffc9000d3b7960
R10: dffffc0000000000 R11: 0000000000000000 R12: 0000000000000002
R13: 0000000000000002 R14: dffffc0000000000 R15: ffff88801bb48000
FS:  00007efc7c53a6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 000000003667e000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400