ntfs: (device loop0): load_and_init_upcase(): Failed to load $UpCase from the volume. Using default.
ntfs: volume version 3.1.
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BUG: KASAN: use-after-free in sle64_to_cpup fs/ntfs/endian.h:46 [inline]
BUG: KASAN: use-after-free in ntfs_lookup_inode_by_name+0xb08/0x24ec fs/ntfs/dir.c:292
Read of size 8 at addr ffff0000eb421962 by task syz.0.17/4889

CPU: 1 PID: 4889 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026
Call trace:
 dump_backtrace+0x0/0x458 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+0xf4/0x15c 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/0x158 mm/kasan/report.c:451
 __asan_report_load8_noabort+0x44/0x50 mm/kasan/report_generic.c:309
 sle64_to_cpup fs/ntfs/endian.h:46 [inline]
 ntfs_lookup_inode_by_name+0xb08/0x24ec fs/ntfs/dir.c:292
 check_windows_hibernation_status+0xd4/0x5a8 fs/ntfs/super.c:1274
 load_system_files+0x2dd8/0x3f9c fs/ntfs/super.c:1989
 ntfs_fill_super+0x1640/0x24bc 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:3034
 path_mount+0x5bc/0x1008 fs/namespace.c:3364
 do_mount fs/namespace.c:3377 [inline]
 __do_sys_mount fs/namespace.c:3585 [inline]
 __se_sys_mount fs/namespace.c:3562 [inline]
 __arm64_sys_mount+0x514/0x5f0 fs/namespace.c:3562
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181
 el0_svc+0x78/0x1d0 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:0000000095924113 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x12b421
flags: 0x5ffc00000000000(node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc00000000000 fffffc0003ad0888 fffffc0003ad0808 0000000000000000
raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff0000eb421800: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff0000eb421880: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff0000eb421900: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                                                       ^
 ffff0000eb421980: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff0000eb421a00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
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