=====================================================
BUG: KMSAN: uninit-value in ntfs_fix_post_read fs/ntfs3/fsntfs.c:180 [inline]
BUG: KMSAN: uninit-value in ntfs_read_bh+0x1eb/0xde0 fs/ntfs3/fsntfs.c:1293
 ntfs_fix_post_read fs/ntfs3/fsntfs.c:180 [inline]
 ntfs_read_bh+0x1eb/0xde0 fs/ntfs3/fsntfs.c:1293
 indx_read+0x45b/0x1740 fs/ntfs3/index.c:1067
 indx_find+0xd18/0x1450 fs/ntfs3/index.c:1179
 indx_update_dup+0xa7f/0xf70 fs/ntfs3/index.c:2664
 ni_update_parent+0x117d/0x14b0 fs/ntfs3/frecord.c:3173
 ni_write_inode+0x1d05/0x1df0 fs/ntfs3/frecord.c:3264
 ntfs3_write_inode+0x94/0xb0 fs/ntfs3/inode.c:1019
 write_inode fs/fs-writeback.c:1525 [inline]
 __writeback_single_inode+0x8da/0x1290 fs/fs-writeback.c:1745
 writeback_sb_inodes+0xac4/0x1c90 fs/fs-writeback.c:1976
 wb_writeback+0x4df/0xcb0 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x40b/0x1970 fs/fs-writeback.c:2343
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xc1d/0x1e80 kernel/workqueue.c:3319
 worker_thread+0xea3/0x1500 kernel/workqueue.c:3400
 kthread+0x6ce/0xf10 kernel/kthread.c:464
 ret_from_fork+0x6d/0x90 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

Uninit was created at:
 __alloc_frozen_pages_noprof+0x6a0/0xe30 mm/page_alloc.c:4957
 alloc_pages_mpol+0x4cd/0x890 mm/mempolicy.c:2301
 alloc_frozen_pages_noprof mm/mempolicy.c:2372 [inline]
 alloc_pages_noprof mm/mempolicy.c:2392 [inline]
 folio_alloc_noprof+0x1dc/0x350 mm/mempolicy.c:2402
 filemap_alloc_folio_noprof+0xa6/0x440 mm/filemap.c:1007
 __filemap_get_folio+0xb40/0x18e0 mm/filemap.c:1969
 grow_dev_folio fs/buffer.c:1039 [inline]
 grow_buffers fs/buffer.c:1105 [inline]
 __getblk_slow fs/buffer.c:1131 [inline]
 bdev_getblk+0x2c9/0xab0 fs/buffer.c:1431
 __getblk include/linux/buffer_head.h:379 [inline]
 sb_getblk include/linux/buffer_head.h:385 [inline]
 ntfs_get_bh+0x605/0x11a0 fs/ntfs3/fsntfs.c:1341
 indx_new+0x1bc/0x780 fs/ntfs3/index.c:955
 indx_insert_into_root+0x2c60/0x3480 fs/ntfs3/index.c:1721
 indx_insert_entry+0xe23/0xef0 fs/ntfs3/index.c:1980
 ntfs_create_inode+0x4450/0x4f00 fs/ntfs3/inode.c:1616
 ntfs_mkdir+0x56/0x80 fs/ntfs3/namei.c:207
 vfs_mkdir+0x4f7/0x830 fs/namei.c:4324
 do_mkdirat+0x3db/0x870 fs/namei.c:4357
 __do_sys_mkdirat fs/namei.c:4374 [inline]
 __se_sys_mkdirat fs/namei.c:4372 [inline]
 __x64_sys_mkdirat+0xc6/0x120 fs/namei.c:4372
 x64_sys_call+0x3a33/0x3c80 arch/x86/include/generated/asm/syscalls_64.h:259
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x1e0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

CPU: 0 UID: 0 PID: 75 Comm: kworker/u8:5 Not tainted 6.15.0-rc1-syzkaller-g0af2f6be1b42 #0 PREEMPT(undef) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: writeback wb_workfn (flush-7:0)
=====================================================