ntfs3(loop3): failed to read volume at offset 0x46c00
ntfs3(loop3): failed to read volume at offset 0x46c00
ntfs3(loop3): failed to read volume at offset 0x46c00
ntfs3(loop3): failed to read volume at offset 0x46c00
syz.3.55: attempt to access beyond end of device
loop3: rw=0, sector=106, nr_sectors = 2 limit=64
=====================================================
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
 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:704
 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+0x3310/0x3c80 arch/x86/include/generated/asm/syscalls_64.h:286
 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

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
 __bread_gfp+0x93/0x730 fs/buffer.c:1485
 sb_bread_unmovable include/linux/buffer_head.h:351 [inline]
 ntfs_bread fs/ntfs3/fsntfs.c:1029 [inline]
 ntfs_read_run_nb+0x6bf/0x1110 fs/ntfs3/fsntfs.c:1221
 ntfs_read_bh+0x64/0xde0 fs/ntfs3/fsntfs.c:1289
 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:1672
 ntfs_create_inode+0x9ac/0x4f00 fs/ntfs3/inode.c:1272
 ntfs_create+0x56/0x70 fs/ntfs3/namei.c:110
 lookup_open fs/namei.c:3666 [inline]
 open_last_lookups fs/namei.c:3765 [inline]
 path_openat+0x2efe/0x6280 fs/namei.c:4001
 do_filp_open+0x26b/0x610 fs/namei.c:4031
 do_sys_openat2+0x1ca/0x300 fs/open.c:1429
 do_sys_open fs/open.c:1444 [inline]
 __do_sys_openat fs/open.c:1460 [inline]
 __se_sys_openat fs/open.c:1455 [inline]
 __x64_sys_openat+0x2a1/0x310 fs/open.c:1455
 x64_sys_call+0x1fe/0x3c80 arch/x86/include/generated/asm/syscalls_64.h:258
 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: 1 UID: 0 PID: 6856 Comm: syz.3.55 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
=====================================================