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 ffff0000dfdd6042 by task syz-executor.0/3844 CPU: 1 PID: 3844 Comm: syz-executor.0 Not tainted 6.1.79-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xc0/0x104 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:284 [inline] print_report+0x174/0x4c0 mm/kasan/report.c:395 kasan_report+0xcc/0x124 mm/kasan/report.c:495 __asan_report_load_n_noabort+0x28/0x34 mm/kasan/report_generic.c:361 ntfs_attr_find+0x5a0/0x9d0 fs/ntfs/attrib.c:609 ntfs_attr_lookup+0x3dc/0x1cd8 ntfs_read_locked_inode+0x87c/0x3830 fs/ntfs/inode.c:666 ntfs_read_inode_mount+0xa64/0x1e88 fs/ntfs/inode.c:2098 ntfs_fill_super+0x12f0/0x2084 fs/ntfs/super.c:2855 mount_bdev+0x25c/0x33c fs/super.c:1432 ntfs_mount+0x44/0x58 fs/ntfs/super.c:3049 legacy_get_tree+0xd4/0x16c fs/fs_context.c:632 vfs_get_tree+0x90/0x1c0 fs/super.c:1562 do_new_mount+0x278/0x8fc fs/namespace.c:3051 path_mount+0x590/0xe3c fs/namespace.c:3381 do_mount fs/namespace.c:3394 [inline] __do_sys_mount fs/namespace.c:3602 [inline] __se_sys_mount fs/namespace.c:3579 [inline] __arm64_sys_mount+0x45c/0x59c fs/namespace.c:3579 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x134/0x24c arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x34/0x100 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 The buggy address belongs to the physical page: page:000000009d3567d3 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x11fdd6 flags: 0x5ffc00000000000(node=0|zone=2|lastcpupid=0x7ff) raw: 05ffc00000000000 fffffc00037f75c8 ffff0001b4f0b1a0 0000000000000000 raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff0000dfdd5f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff0000dfdd5f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff0000dfdd6000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ^ ffff0000dfdd6080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff0000dfdd6100: 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. ntfs: (device loop0): ntfs_read_inode_mount(): ntfs_read_inode() of $MFT failed. BUG or corrupt $MFT. Run chkdsk and if no errors are found, please report you saw this message to linux-ntfs-dev@lists.sourceforge.net ntfs: (device loop0): ntfs_fill_super(): Failed to load essential metadata.