loop0: detected capacity change from 0 to 4096 ntfs: (device loop0): is_boot_sector_ntfs(): Invalid end of sector marker. ================================================================== BUG: KASAN: use-after-free in ntfs_attr_find+0x5a0/0x9d0 fs/ntfs/attrib.c:609 Read of size 2 at addr ffff0000dee94042 by task syz-executor373/6006 CPU: 0 PID: 6006 Comm: syz-executor373 Not tainted 6.6.0-rc4-syzkaller-g19af4a4ed414 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:233 show_stack+0x2c/0x44 arch/arm64/kernel/stacktrace.c:240 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:364 [inline] print_report+0x174/0x514 mm/kasan/report.c:475 kasan_report+0xd8/0x138 mm/kasan/report.c:588 __asan_report_load_n_noabort+0x1c/0x28 mm/kasan/report_generic.c:391 ntfs_attr_find+0x5a0/0x9d0 fs/ntfs/attrib.c:609 ntfs_attr_lookup+0x3dc/0x1cd8 ntfs_read_locked_inode+0x88c/0x3920 fs/ntfs/inode.c:666 ntfs_read_inode_mount+0xbb0/0x2044 fs/ntfs/inode.c:2098 ntfs_fill_super+0x13b4/0x2314 fs/ntfs/super.c:2863 mount_bdev+0x1e8/0x2b4 fs/super.c:1629 ntfs_mount+0x44/0x58 fs/ntfs/super.c:3057 legacy_get_tree+0xd4/0x16c fs/fs_context.c:638 vfs_get_tree+0x90/0x288 fs/super.c:1750 do_new_mount+0x25c/0x8c8 fs/namespace.c:3335 path_mount+0x590/0xe04 fs/namespace.c:3662 do_mount fs/namespace.c:3675 [inline] __do_sys_mount fs/namespace.c:3884 [inline] __se_sys_mount fs/namespace.c:3861 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3861 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x58/0x16c arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 The buggy address belongs to the physical page: page:00000000995b299a refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x11ee94 flags: 0x5ffc00000000000(node=0|zone=2|lastcpupid=0x7ff) page_type: 0xffffffff() raw: 05ffc00000000000 fffffc00037ba548 ffff0001b41d6b60 0000000000000000 raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff0000dee93f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff0000dee93f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff0000dee94000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ^ ffff0000dee94080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff0000dee94100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ================================================================== ntfs: (device loop0): ntfs_is_extended_system_file(): Inode hard link count doesn't match number of name attributes. You should run chkdsk. ntfs: (device loop0): ntfs_read_locked_inode(): $DATA attribute is missing. ntfs: (device loop0): ntfs_read_locked_inode(): Failed with error code -2. Marking corrupt inode 0x0 as bad. Run chkdsk.