loop4: detected capacity change from 0 to 4096
ntfs3(loop4): Different NTFS sector size (2048) and media sector size (512).
=====================================================
BUG: KMSAN: uninit-value in memcmp lib/string.c:683 [inline]
BUG: KMSAN: uninit-value in bcmp+0x98/0x150 lib/string.c:715
 memcmp lib/string.c:683 [inline]
 bcmp+0x98/0x150 lib/string.c:715
 memcmp include/linux/fortify-string.h:727 [inline]
 ni_update_parent+0xfed/0x1810 fs/ntfs3/frecord.c:3157
 ni_write_inode+0x1bce/0x1ca0 fs/ntfs3/frecord.c:3277
 ntfs_sync_inode+0x3a/0x50 fs/ntfs3/inode.c:1041
 ntfs_truncate fs/ntfs3/file.c:470 [inline]
 ntfs_setattr+0x1123/0x1640 fs/ntfs3/file.c:778
 notify_change+0x1990/0x1aa0 fs/attr.c:552
 do_truncate+0x28f/0x310 fs/open.c:68
 handle_truncate fs/namei.c:3508 [inline]
 do_open fs/namei.c:3891 [inline]
 path_openat+0x5d85/0x6760 fs/namei.c:4046
 do_filp_open+0x280/0x660 fs/namei.c:4073
 do_sys_openat2+0x1bb/0x2f0 fs/open.c:1435
 do_sys_open fs/open.c:1450 [inline]
 __do_sys_creat fs/open.c:1528 [inline]
 __se_sys_creat fs/open.c:1522 [inline]
 __x64_sys_creat+0xe1/0x150 fs/open.c:1522
 x64_sys_call+0x3a00/0x3e20 arch/x86/include/generated/asm/syscalls_64.h:86
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xd9/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Uninit was stored to memory at:
 ni_add_name+0xebd/0x11e0 fs/ntfs3/frecord.c:2992
 ntfs_link_inode+0x221/0x350 fs/ntfs3/inode.c:1728
 ntfs_link+0x20e/0x500 fs/ntfs3/namei.c:146
 vfs_link+0x8e8/0xb30 fs/namei.c:4854
 do_linkat+0x4af/0x1040 fs/namei.c:4924
 __do_sys_link fs/namei.c:4958 [inline]
 __se_sys_link fs/namei.c:4956 [inline]
 __x64_sys_link+0xd7/0x140 fs/namei.c:4956
 x64_sys_call+0x162f/0x3e20 arch/x86/include/generated/asm/syscalls_64.h:87
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xd9/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Uninit was created at:
 slab_post_alloc_hook mm/slub.c:4186 [inline]
 slab_alloc_node mm/slub.c:4229 [inline]
 kmem_cache_alloc_noprof+0x81b/0xec0 mm/slub.c:4236
 ntfs_link_inode+0x90/0x350 fs/ntfs3/inode.c:1716
 ntfs_link+0x20e/0x500 fs/ntfs3/namei.c:146
 vfs_link+0x8e8/0xb30 fs/namei.c:4854
 do_linkat+0x4af/0x1040 fs/namei.c:4924
 __do_sys_link fs/namei.c:4958 [inline]
 __se_sys_link fs/namei.c:4956 [inline]
 __x64_sys_link+0xd7/0x140 fs/namei.c:4956
 x64_sys_call+0x162f/0x3e20 arch/x86/include/generated/asm/syscalls_64.h:87
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xd9/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

CPU: 0 UID: 0 PID: 7207 Comm: syz.4.368 Not tainted 6.16.0-syzkaller-11741-g5998f2bca43e #0 PREEMPT(none) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
=====================================================