loop0: detected capacity change from 0 to 4096 ================================================================== BUG: KASAN: use-after-free in ntfs_attr_find+0x60c/0x9dc fs/ntfs/attrib.c:609 Read of size 2 at addr ffff0000e280a442 by task syz-executor.0/4503 CPU: 0 PID: 4503 Comm: syz-executor.0 Not tainted 5.15.182-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 Call trace: dump_backtrace+0x0/0x43c arch/arm64/kernel/stacktrace.c:152 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216 __dump_stack+0x30/0x40 lib/dump_stack.c:88 dump_stack_lvl+0xf8/0x160 lib/dump_stack.c:106 print_address_description+0x78/0x30c mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:434 [inline] kasan_report+0xec/0x15c mm/kasan/report.c:451 __asan_report_load_n_noabort+0x40/0x4c mm/kasan/report_generic.c:319 ntfs_attr_find+0x60c/0x9dc fs/ntfs/attrib.c:609 ntfs_attr_lookup+0x1e0/0x1b28 fs/ntfs/attrib.c:1213 ntfs_read_locked_inode+0x85c/0x38b8 fs/ntfs/inode.c:666 ntfs_iget+0xf8/0x184 fs/ntfs/inode.c:177 load_and_init_mft_mirror fs/ntfs/super.c:1027 [inline] load_system_files+0xbc/0x3fb0 fs/ntfs/super.c:1772 ntfs_fill_super+0x1640/0x24c4 fs/ntfs/super.c:2894 mount_bdev+0x264/0x358 fs/super.c:1400 ntfs_mount+0x44/0x58 fs/ntfs/super.c:3051 legacy_get_tree+0xd4/0x16c fs/fs_context.c:611 vfs_get_tree+0x90/0x274 fs/super.c:1530 do_new_mount+0x228/0x810 fs/namespace.c:3013 path_mount+0x5b4/0x1000 fs/namespace.c:3343 do_mount fs/namespace.c:3356 [inline] __do_sys_mount fs/namespace.c:3564 [inline] __se_sys_mount fs/namespace.c:3541 [inline] __arm64_sys_mount+0x514/0x5e4 fs/namespace.c:3541 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 The buggy address belongs to the page: page:000000005752639f refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x12280a flags: 0x5ffc00000000000(node=0|zone=2|lastcpupid=0x7ff) raw: 05ffc00000000000 fffffc00038a0408 fffffc0003882448 0000000000000000 raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff0000e280a300: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff0000e280a380: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff >ffff0000e280a400: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ^ ffff0000e280a480: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff0000e280a500: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ==================================================================