ntfs: (device loop1): load_system_files(): Failed to load $MFTMirr. Mounting read-only. Run ntfsfix and/or chkdsk. ntfs: (device loop1): ntfs_read_locked_inode(): $DATA attribute is missing. ntfs: (device loop1): ntfs_read_locked_inode(): Failed with error code -2. Marking corrupt inode 0xa as bad. Run chkdsk. ntfs: (device loop1): load_and_init_upcase(): Failed to load $UpCase from the volume. Using default. ntfs: volume version 3.1. ================================================================== BUG: KASAN: slab-out-of-bounds in instrument_atomic_read include/linux/instrumented.h:68 [inline] BUG: KASAN: slab-out-of-bounds in _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] BUG: KASAN: slab-out-of-bounds in NInoAttr fs/ntfs/inode.h:200 [inline] BUG: KASAN: slab-out-of-bounds in ntfs_test_inode+0x7d/0x2d0 fs/ntfs/inode.c:55 Read of size 8 at addr ffff888067077ec0 by task syz.1.2217/11170 CPU: 1 PID: 11170 Comm: syz.1.2217 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 Call Trace: dump_stack_lvl+0x18c/0x250 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:364 [inline] print_report+0xa8/0x210 mm/kasan/report.c:468 kasan_report+0x117/0x150 mm/kasan/report.c:581 check_region_inline mm/kasan/generic.c:-1 [inline] kasan_check_range+0x241/0x290 mm/kasan/generic.c:187 instrument_atomic_read include/linux/instrumented.h:68 [inline] _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] NInoAttr fs/ntfs/inode.h:200 [inline] ntfs_test_inode+0x7d/0x2d0 fs/ntfs/inode.c:55 find_inode+0x19e/0x400 fs/inode.c:946 ilookup5_nowait fs/inode.c:1501 [inline] ilookup5+0xab/0x1e0 fs/inode.c:1530 iget5_locked+0x34/0x260 fs/inode.c:1311 ntfs_iget+0xbd/0x1a0 fs/ntfs/inode.c:168 load_and_check_logfile+0x3f/0xd0 fs/ntfs/super.c:1216 load_system_files+0x2f1b/0x4550 fs/ntfs/super.c:1949 ntfs_fill_super+0x1818/0x2a50 fs/ntfs/super.c:2900 mount_bdev+0x221/0x2d0 fs/super.c:1643 legacy_get_tree+0xea/0x180 fs/fs_context.c:662 vfs_get_tree+0x8c/0x280 fs/super.c:1764 do_new_mount+0x24b/0xa40 fs/namespace.c:3386 do_mount fs/namespace.c:3726 [inline] __do_sys_mount fs/namespace.c:3935 [inline] __se_sys_mount+0x2e7/0x3d0 fs/namespace.c:3912 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x55/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f8eb999d20a Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8eba7ebe58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f8eba7ebee0 RCX: 00007f8eb999d20a RDX: 0000200000000000 RSI: 0000200000000040 RDI: 00007f8eba7ebea0 RBP: 0000200000000000 R08: 00007f8eba7ebee0 R09: 0000000001000418 R10: 0000000001000418 R11: 0000000000000246 R12: 0000200000000040 R13: 00007f8eba7ebea0 R14: 000000000001ee89 R15: 0000200000000080 The buggy address belongs to the object at ffff888067077440 which belongs to the cache xfs_inode of size 1808 The buggy address is located 880 bytes to the right of allocated 1808-byte region [ffff888067077440, ffff888067077b50) The buggy address belongs to the physical page: page:ffffea00019c1c00 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888067075d00 pfn:0x67070 head:ffffea00019c1c00 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0 memcg:ffff88802e76c101 flags: 0xfff00000000840(slab|head|node=0|zone=1|lastcpupid=0x7ff) page_type: 0xffffffff() raw: 00fff00000000840 ffff8881446cab40 dead000000000122 0000000000000000 raw: ffff888067075d00 0000000080100003 00000001ffffffff ffff88802e76c101 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 3, migratetype Reclaimable, gfp_mask 0x1d20d0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL|__GFP_RECLAIMABLE), pid 6830, tgid 6829 (syz.1.433), ts 140522698668, free_ts 138541552817 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x1c1/0x200 mm/page_alloc.c:1581 prep_new_page mm/page_alloc.c:1588 [inline] get_page_from_freelist+0x1951/0x19e0 mm/page_alloc.c:3220 __alloc_pages+0x1f0/0x460 mm/page_alloc.c:4486 alloc_slab_page+0x5d/0x160 mm/slub.c:1881 allocate_slab mm/slub.c:2028 [inline] new_slab+0x87/0x2d0 mm/slub.c:2081 ___slab_alloc+0xc5d/0x12f0 mm/slub.c:3253 __slab_alloc mm/slub.c:3339 [inline] __slab_alloc_node mm/slub.c:3392 [inline] slab_alloc_node mm/slub.c:3485 [inline] slab_alloc mm/slub.c:3503 [inline] __kmem_cache_alloc_lru mm/slub.c:3510 [inline] kmem_cache_alloc_lru+0x1aa/0x2d0 mm/slub.c:3526 alloc_inode_sb include/linux/fs.h:2946 [inline] xfs_inode_alloc+0x80/0x6c0 fs/xfs/xfs_icache.c:81 xfs_iget_cache_miss fs/xfs/xfs_icache.c:611 [inline] xfs_iget+0xa94/0x2df0 fs/xfs/xfs_icache.c:777 xfs_mountfs+0xdbc/0x1d40 fs/xfs/xfs_mount.c:851 xfs_fs_fill_super+0x112f/0x13a0 fs/xfs/xfs_super.c:1747 get_tree_bdev+0x3f3/0x520 fs/super.c:1591 vfs_get_tree+0x8c/0x280 fs/super.c:1764 do_new_mount+0x24b/0xa40 fs/namespace.c:3386 do_mount fs/namespace.c:3726 [inline] __do_sys_mount fs/namespace.c:3935 [inline] __se_sys_mount+0x2e7/0x3d0 fs/namespace.c:3912 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x55/0xa0 arch/x86/entry/common.c:76 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1181 [inline] free_unref_page_prepare+0x7b2/0x8c0 mm/page_alloc.c:2365 free_unref_page+0x32/0x2e0 mm/page_alloc.c:2458 __slab_free+0x35a/0x400 mm/slub.c:3736 qlink_free mm/kasan/quarantine.c:166 [inline] qlist_free_all+0x75/0xd0 mm/kasan/quarantine.c:185 kasan_quarantine_reduce+0x143/0x160 mm/kasan/quarantine.c:292 __kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:306 kasan_slab_alloc include/linux/kasan.h:188 [inline] slab_post_alloc_hook+0x6e/0x4b0 mm/slab.h:767 slab_alloc_node mm/slub.c:3495 [inline] slab_alloc mm/slub.c:3503 [inline] __kmem_cache_alloc_lru mm/slub.c:3510 [inline] kmem_cache_alloc+0x11a/0x2d0 mm/slub.c:3519 getname_flags+0xbb/0x500 fs/namei.c:140 getname fs/namei.c:219 [inline] __do_sys_symlink fs/namei.c:4528 [inline] __se_sys_symlink fs/namei.c:4526 [inline] __x64_sys_symlink+0x5f/0x90 fs/namei.c:4526 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x55/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 Memory state around the buggy address: ffff888067077d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff888067077e00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff888067077e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffff888067077f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff888067077f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ==================================================================