syz.7.2661: attempt to access beyond end of device
loop7: rw=0, sector=106, nr_sectors = 2 limit=64
ntfs3(loop7): failed to read volume at offset 0xd400
ntfs3(loop7): failed to read block 29d
=====================================================
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:1321
 ntfs_fix_post_read fs/ntfs3/fsntfs.c:180 [inline]
 ntfs_read_bh+0x1eb/0xde0 fs/ntfs3/fsntfs.c:1321
 mi_read+0x2d4/0xd50 fs/ntfs3/record.c:133
 mi_get+0x199/0x560 fs/ntfs3/record.c:85
 ni_load_mi_ex+0x21a/0x6b0 fs/ntfs3/frecord.c:150
 ni_load_mi fs/ntfs3/frecord.c:182 [inline]
 ni_enum_attr_ex+0x30b/0x590 fs/ntfs3/frecord.c:273
 attr_insert_range+0x2300/0x27c0 fs/ntfs3/attrib.c:2563
 ntfs_fallocate+0x13df/0x22c0 fs/ntfs3/file.c:685
 vfs_fallocate+0x79e/0x860 fs/open.c:338
 ksys_fallocate fs/open.c:362 [inline]
 __do_sys_fallocate fs/open.c:367 [inline]
 __se_sys_fallocate fs/open.c:365 [inline]
 __x64_sys_fallocate+0x148/0x280 fs/open.c:365
 x64_sys_call+0x4c9/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:286
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Uninit was stored to memory at:
 ntfs_read_run_nb+0x7d3/0x1110 fs/ntfs3/fsntfs.c:1256
 ntfs_read_bh+0x64/0xde0 fs/ntfs3/fsntfs.c:1317
 mi_read+0x2d4/0xd50 fs/ntfs3/record.c:133
 mi_get+0x199/0x560 fs/ntfs3/record.c:85
 ni_load_mi_ex+0x21a/0x6b0 fs/ntfs3/frecord.c:150
 ni_load_mi fs/ntfs3/frecord.c:182 [inline]
 ni_enum_attr_ex+0x30b/0x590 fs/ntfs3/frecord.c:273
 attr_insert_range+0x2300/0x27c0 fs/ntfs3/attrib.c:2563
 ntfs_fallocate+0x13df/0x22c0 fs/ntfs3/file.c:685
 vfs_fallocate+0x79e/0x860 fs/open.c:338
 ksys_fallocate fs/open.c:362 [inline]
 __do_sys_fallocate fs/open.c:367 [inline]
 __se_sys_fallocate fs/open.c:365 [inline]
 __x64_sys_fallocate+0x148/0x280 fs/open.c:365
 x64_sys_call+0x4c9/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:286
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Uninit was created at:
 __alloc_frozen_pages_noprof+0x9a7/0xe00 mm/page_alloc.c:4762
 alloc_pages_mpol+0x4cd/0x890 mm/mempolicy.c:2270
 alloc_frozen_pages_noprof mm/mempolicy.c:2341 [inline]
 alloc_pages_noprof mm/mempolicy.c:2361 [inline]
 folio_alloc_noprof+0x1dc/0x350 mm/mempolicy.c:2371
 filemap_alloc_folio_noprof+0xa6/0x440 mm/filemap.c:1019
 __filemap_get_folio+0xb9a/0x1840 mm/filemap.c:1970
 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
 __bread_gfp+0x93/0x730 fs/buffer.c:1485
 sb_bread_unmovable include/linux/buffer_head.h:352 [inline]
 ntfs_bread fs/ntfs3/fsntfs.c:1029 [inline]
 ntfs_read_run_nb+0x6bf/0x1110 fs/ntfs3/fsntfs.c:1249
 ntfs_read_bh+0x64/0xde0 fs/ntfs3/fsntfs.c:1317
 mi_read+0x2d4/0xd50 fs/ntfs3/record.c:133
 mi_format_new+0x239/0x8f0 fs/ntfs3/record.c:434
 ntfs_new_inode+0xc2/0x2b0 fs/ntfs3/fsntfs.c:1700
 ntfs_create_inode+0x9ac/0x4f00 fs/ntfs3/inode.c:1312
 ntfs_create+0x56/0x70 fs/ntfs3/namei.c:110
 lookup_open fs/namei.c:3651 [inline]
 open_last_lookups fs/namei.c:3750 [inline]
 path_openat+0x2ed8/0x6250 fs/namei.c:3986
 do_filp_open+0x268/0x600 fs/namei.c:4016
 do_sys_openat2+0x1bf/0x2f0 fs/open.c:1428
 do_sys_open fs/open.c:1443 [inline]
 __do_sys_creat fs/open.c:1521 [inline]
 __se_sys_creat fs/open.c:1515 [inline]
 __x64_sys_creat+0xe6/0x140 fs/open.c:1515
 x64_sys_call+0x12e3/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:86
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

CPU: 1 UID: 0 PID: 17678 Comm: syz.7.2661 Not tainted 6.14.0-rc2-syzkaller-00281-g496659003dac #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
=====================================================