loop5: detected capacity change from 0 to 190
ntfs: (device loop5): is_boot_sector_ntfs(): Invalid boot sector checksum.
syz-executor.5: attempt to access beyond end of device
loop5: rw=0, sector=2072, nr_sectors = 8 limit=190
ntfs: (device loop5): ntfs_end_buffer_async_read(): Buffer I/O error, logical block 0x103.
=====================================================
BUG: KMSAN: uninit-value in post_read_mst_fixup+0xab8/0xb70 fs/ntfs/mst.c:39
 post_read_mst_fixup+0xab8/0xb70 fs/ntfs/mst.c:39
 ntfs_end_buffer_async_read+0xe53/0x1820 fs/ntfs/aops.c:133
 end_bio_bh_io_sync+0x130/0x1d0 fs/buffer.c:2730
 bio_endio+0xb17/0xb70 block/bio.c:1608
 submit_bio_noacct+0x47d/0x2380 block/blk-core.c:808
 submit_bio+0x171/0x1c0 block/blk-core.c:834
 submit_bh_wbc+0x775/0x7e0 fs/buffer.c:2777
 submit_bh+0x26/0x30 fs/buffer.c:2782
 ntfs_read_block fs/ntfs/aops.c:345 [inline]
 ntfs_read_folio+0x39d8/0x3ee0 fs/ntfs/aops.c:436
 filemap_read_folio+0xc7/0x360 mm/filemap.c:2421
 do_read_cache_folio+0x6ad/0xc10 mm/filemap.c:3680
 do_read_cache_page mm/filemap.c:3746 [inline]
 read_cache_page+0x63/0x210 mm/filemap.c:3755
 read_mapping_page include/linux/pagemap.h:772 [inline]
 ntfs_map_page fs/ntfs/aops.h:75 [inline]
 map_mft_record_page fs/ntfs/mft.c:73 [inline]
 map_mft_record+0x28b/0xe40 fs/ntfs/mft.c:156
 ntfs_read_locked_inode+0x355/0x58a0 fs/ntfs/inode.c:550
 ntfs_read_inode_mount+0x1b03/0x3640 fs/ntfs/inode.c:2098
 ntfs_fill_super+0x2c43/0x45d0 fs/ntfs/super.c:2863
 mount_bdev+0x4e1/0x7f0 fs/super.c:1380
 ntfs_mount+0x4d/0x60 fs/ntfs/super.c:3057
 legacy_get_tree+0x110/0x290 fs/fs_context.c:610
 vfs_get_tree+0xa5/0x500 fs/super.c:1510
 do_new_mount+0x68d/0x1540 fs/namespace.c:3039
 path_mount+0x725/0x1ee0 fs/namespace.c:3369
 do_mount fs/namespace.c:3382 [inline]
 __do_sys_mount fs/namespace.c:3591 [inline]
 __se_sys_mount+0x725/0x810 fs/namespace.c:3568
 __ia32_sys_mount+0xe3/0x150 fs/namespace.c:3568
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x37/0x80 arch/x86/entry/common.c:203
 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:246
 entry_SYSENTER_compat_after_hwframe+0x70/0x82

Uninit was created at:
 __alloc_pages+0x9a4/0xe00 mm/page_alloc.c:4791
 alloc_pages+0xd01/0x1040
 folio_alloc+0x42/0x120 mm/mempolicy.c:2289
 filemap_alloc_folio+0xa5/0x430 mm/filemap.c:976
 do_read_cache_folio+0x14b/0xc10 mm/filemap.c:3644
 do_read_cache_page mm/filemap.c:3746 [inline]
 read_cache_page+0x63/0x210 mm/filemap.c:3755
 read_mapping_page include/linux/pagemap.h:772 [inline]
 ntfs_map_page fs/ntfs/aops.h:75 [inline]
 map_mft_record_page fs/ntfs/mft.c:73 [inline]
 map_mft_record+0x28b/0xe40 fs/ntfs/mft.c:156
 ntfs_read_locked_inode+0x355/0x58a0 fs/ntfs/inode.c:550
 ntfs_read_inode_mount+0x1b03/0x3640 fs/ntfs/inode.c:2098
 ntfs_fill_super+0x2c43/0x45d0 fs/ntfs/super.c:2863
 mount_bdev+0x4e1/0x7f0 fs/super.c:1380
 ntfs_mount+0x4d/0x60 fs/ntfs/super.c:3057
 legacy_get_tree+0x110/0x290 fs/fs_context.c:610
 vfs_get_tree+0xa5/0x500 fs/super.c:1510
 do_new_mount+0x68d/0x1540 fs/namespace.c:3039
 path_mount+0x725/0x1ee0 fs/namespace.c:3369
 do_mount fs/namespace.c:3382 [inline]
 __do_sys_mount fs/namespace.c:3591 [inline]
 __se_sys_mount+0x725/0x810 fs/namespace.c:3568
 __ia32_sys_mount+0xe3/0x150 fs/namespace.c:3568
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x37/0x80 arch/x86/entry/common.c:203
 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:246
 entry_SYSENTER_compat_after_hwframe+0x70/0x82

CPU: 0 PID: 5697 Comm: syz-executor.5 Not tainted 6.4.0-rc4-syzkaller-g2741f1b02117 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
=====================================================