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BUG: KMSAN: uninit-value in ntfs_fix_post_read fs/ntfs3/fsntfs.c:180 [inline]
BUG: KMSAN: uninit-value in ntfs_read_bh+0x238/0xc00 fs/ntfs3/fsntfs.c:1293
 ntfs_fix_post_read fs/ntfs3/fsntfs.c:180 [inline]
 ntfs_read_bh+0x238/0xc00 fs/ntfs3/fsntfs.c:1293
 indx_read+0x450/0x1840 fs/ntfs3/index.c:1067
 indx_find+0xa80/0x1510 fs/ntfs3/index.c:1179
 indx_update_dup+0xb67/0x10f0 fs/ntfs3/index.c:2672
 ni_update_parent+0x1116/0x14c0 fs/ntfs3/frecord.c:3173
 ni_write_inode+0x1b67/0x1c40 fs/ntfs3/frecord.c:3264
 ntfs3_write_inode+0x94/0xb0 fs/ntfs3/inode.c:1023
 write_inode fs/fs-writeback.c:1525 [inline]
 __writeback_single_inode+0x88f/0x1190 fs/fs-writeback.c:1745
 writeback_sb_inodes+0xaa9/0x1c90 fs/fs-writeback.c:1976
 wb_writeback+0x4ce/0xc00 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x397/0x1910 fs/fs-writeback.c:2343
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xb91/0x1d80 kernel/workqueue.c:3321
 worker_thread+0xedf/0x1590 kernel/workqueue.c:3402
 kthread+0xd5c/0xf00 kernel/kthread.c:464
 ret_from_fork+0x1e3/0x310 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

Uninit was created at:
 __alloc_frozen_pages_noprof+0x689/0xf00 mm/page_alloc.c:4982
 alloc_pages_mpol+0x328/0x860 mm/mempolicy.c:2419
 alloc_frozen_pages_noprof mm/mempolicy.c:2490 [inline]
 alloc_pages_noprof mm/mempolicy.c:2510 [inline]
 folio_alloc_noprof+0x109/0x360 mm/mempolicy.c:2520
 filemap_alloc_folio_noprof+0x9d/0x420 mm/filemap.c:1007
 __filemap_get_folio+0xb45/0x1930 mm/filemap.c:1980
 grow_dev_folio fs/buffer.c:1050 [inline]
 grow_buffers fs/buffer.c:1116 [inline]
 __getblk_slow fs/buffer.c:1140 [inline]
 bdev_getblk+0x2aa/0xb40 fs/buffer.c:1467
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 ntfs_get_bh+0x592/0x19f0 fs/ntfs3/fsntfs.c:1341
 indx_new+0x1ce/0x7f0 fs/ntfs3/index.c:955
 indx_insert_into_root+0x2fc2/0x38c0 fs/ntfs3/index.c:1721
 indx_insert_entry+0xf2a/0x1050 fs/ntfs3/index.c:1980
 ntfs_create_inode+0x47b0/0x5560 fs/ntfs3/inode.c:1620
 ntfs_mkdir+0x56/0x80 fs/ntfs3/namei.c:207
 vfs_mkdir+0x4ea/0x850 fs/namei.c:4375
 do_mkdirat+0x41a/0xf30 fs/namei.c:4408
 __do_sys_mkdirat fs/namei.c:4425 [inline]
 __se_sys_mkdirat fs/namei.c:4423 [inline]
 __x64_sys_mkdirat+0xc1/0x140 fs/namei.c:4423
 x64_sys_call+0x370b/0x3db0 arch/x86/include/generated/asm/syscalls_64.h:259
 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: 1 UID: 0 PID: 4751 Comm: kworker/u8:22 Not tainted 6.16.0-rc2-syzkaller-00024-g9afe652958c3 #0 PREEMPT(undef) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: writeback wb_workfn (flush-7:0)
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