syzbot

loop0: detected capacity change from 0 to 4096
------------[ cut here ]------------
memcpy: detected field-spanning write (size 3656) of single field "hdr1" at fs/ntfs3/index.c:1927 (size 16)
WARNING: CPU: 0 PID: 6065 at fs/ntfs3/index.c:1927 indx_insert_into_buffer.isra.0+0x1041/0x12a0 fs/ntfs3/index.c:1927
Modules linked in:
CPU: 0 UID: 0 PID: 6065 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:indx_insert_into_buffer.isra.0+0x1041/0x12a0 fs/ntfs3/index.c:1927
Code: b5 ed a3 fe c6 05 52 41 31 0d 01 90 48 8b 74 24 68 b9 10 00 00 00 48 c7 c2 20 53 a7 8b 48 c7 c7 80 53 a7 8b e8 a0 74 62 fe 90 <0f> 0b 90 90 e9 df fd ff ff e8 71 6d 0b ff e9 4d f4 ff ff e8 67 6d
RSP: 0018:ffffc900039af748 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 00000000ffffffe4 RCX: ffffffff81799b88
RDX: ffff88802ed50000 RSI: ffffffff81799b95 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff888146f46800
R13: ffff888069637800 R14: 0000000000000e48 R15: ffff88807ae74018
FS:  0000555563ff7500(0000) GS:ffff888124e6a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdbd7fd4286 CR3: 0000000069517000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 indx_insert_entry+0x1a0/0x460 fs/ntfs3/index.c:1996
 ni_add_name+0x4dd/0x820 fs/ntfs3/frecord.c:2995
 ni_rename+0x98/0x170 fs/ntfs3/frecord.c:3026
 ntfs_rename+0xab9/0xf00 fs/ntfs3/namei.c:332
 vfs_rename+0xfa3/0x2290 fs/namei.c:5216
 do_renameat2+0x7d8/0xc20 fs/namei.c:5364
 __do_sys_rename fs/namei.c:5411 [inline]
 __se_sys_rename fs/namei.c:5409 [inline]
 __x64_sys_rename+0x7d/0xa0 fs/namei.c:5409
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4e0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f780118eec9
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:00007ffcbf706748 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 00007f78013e5fa0 RCX: 00007f780118eec9
RDX: 0000000000000000 RSI: 0000200000000f40 RDI: 00002000000003c0
RBP: 00007f7801211f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f78013e5fa0 R14: 00007f78013e5fa0 R15: 0000000000000002
 </TASK>