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: 6423 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: 6423 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:indx_insert_into_buffer.isra.0+0x1041/0x12a0 fs/ntfs3/index.c:1927 Code: b5 9c a3 fe c6 05 a6 4b 52 0d 01 90 48 8b 74 24 68 b9 10 00 00 00 48 c7 c2 e0 72 c7 8b 48 c7 c7 40 73 c7 8b e8 e0 cf 61 fe 90 <0f> 0b 90 90 e9 df fd ff ff e8 e1 35 0b ff e9 4d f4 ff ff e8 d7 35 RSP: 0018:ffffc90003a9f738 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 00000000ffffffe4 RCX: ffffffff817b7ee8 RDX: ffff888033fc0000 RSI: ffffffff817b7ef5 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88802890f000 R13: ffff888025479c00 R14: 0000000000000e48 R15: ffff88807860e018 FS: 00007fc54c04b6c0(0000) GS:ffff8881249d2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff3131909c0 CR3: 0000000030ff2000 CR4: 0000000000350ef0 Call Trace: 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/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc54b18eec9 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:00007fc54c04b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 RAX: ffffffffffffffda RBX: 00007fc54b3e5fa0 RCX: 00007fc54b18eec9 RDX: 0000000000000000 RSI: 0000200000000f40 RDI: 00002000000003c0 RBP: 00007fc54b211f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc54b3e6038 R14: 00007fc54b3e5fa0 R15: 00007fff7d016fa8