------------[ cut here ]------------ memcpy: detected field-spanning write (size 3792) of single field "hdr1" at fs/ntfs3/index.c:1919 (size 16) WARNING: CPU: 1 PID: 6151 at fs/ntfs3/index.c:1919 indx_insert_into_buffer.isra.0+0x103c/0x12a0 fs/ntfs3/index.c:1919 Modules linked in: CPU: 1 UID: 0 PID: 6151 Comm: syz.3.90 Not tainted 6.12.0-rc4-syzkaller-00047-gc2ee9f594da8 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:indx_insert_into_buffer.isra.0+0x103c/0x12a0 fs/ntfs3/index.c:1919 Code: ba 0a b2 fe c6 05 ef b6 6c 0d 01 90 48 8b 74 24 68 b9 10 00 00 00 48 c7 c2 60 d7 a4 8b 48 c7 c7 c0 d7 a4 8b e8 b5 fc 72 fe 90 <0f> 0b 90 90 e9 e1 fd ff ff e8 66 b1 12 ff e9 54 f4 ff ff e8 5c b1 RSP: 0018:ffffc9000360f4d0 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 00000000ffffffe4 RCX: ffffc9000c04e000 RDX: 0000000000040000 RSI: ffffffff814e71b6 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff8880570bf791 R13: ffff88807235f000 R14: ffff88802ea5e000 R15: ffff8880480fa018 FS: 00007f537c5ff6c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f537c5ded58 CR3: 00000000471c2000 CR4: 0000000000350ef0 Call Trace: indx_insert_entry+0x1a5/0x460 fs/ntfs3/index.c:1988 ntfs_create_inode+0x2b1d/0x3f80 fs/ntfs3/inode.c:1653 ntfs_create+0x3c/0x50 fs/ntfs3/namei.c:110 lookup_open.isra.0+0x1177/0x14c0 fs/namei.c:3595 open_last_lookups fs/namei.c:3694 [inline] path_openat+0x904/0x2d60 fs/namei.c:3930 do_filp_open+0x1dc/0x430 fs/namei.c:3960 do_sys_openat2+0x17a/0x1e0 fs/open.c:1415 do_sys_open fs/open.c:1430 [inline] __do_sys_creat fs/open.c:1508 [inline] __se_sys_creat fs/open.c:1502 [inline] __x64_sys_creat+0xcd/0x120 fs/open.c:1502 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f537cb7dff9 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:00007f537c5ff038 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f537cd35f80 RCX: 00007f537cb7dff9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000e00 RBP: 00007f537cbf0296 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f537cd35f80 R15: 00007ffe8bb1b348