ntfs3: loop0: Failed to load $Extend.
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BUG: KASAN: use-after-free in hdr_find_e.isra.0+0x527/0x590 fs/ntfs3/index.c:689
Read of size 2 at addr ffff888097fe051f by task syz-executor404/5234

CPU: 1 PID: 5234 Comm: syz-executor404 Not tainted 6.1.0-rc3-next-20221104-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:253 [inline]
 print_report+0x15e/0x45d mm/kasan/report.c:364
 kasan_report+0xbb/0x1f0 mm/kasan/report.c:464
 hdr_find_e.isra.0+0x527/0x590 fs/ntfs3/index.c:689
 indx_find+0x25a/0x980 fs/ntfs3/index.c:1074
 dir_search_u+0x232/0x3f0 fs/ntfs3/dir.c:254
 ntfs_lookup+0x174/0x1e0 fs/ntfs3/namei.c:84
 __lookup_slow+0x24c/0x460 fs/namei.c:1685
 lookup_slow fs/namei.c:1702 [inline]
 walk_component+0x33f/0x5a0 fs/namei.c:1993
 lookup_last fs/namei.c:2450 [inline]
 path_lookupat+0x1ba/0x840 fs/namei.c:2474
 filename_lookup+0x1ce/0x590 fs/namei.c:2503
 vfs_statx+0x14c/0x430 fs/stat.c:238
 vfs_fstatat+0x8c/0xb0 fs/stat.c:276
 __do_sys_newfstatat+0x8a/0x110 fs/stat.c:446
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fadf2ad7f69
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc1d0b0d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007fadf2ad7f69
RDX: 0000000000000000 RSI: 0000000020000380 RDI: ffffffffffffff9c
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007fadf2b66ec0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc1d0b0d70
R13: 0000000000000000 R14: 431bde82d7b634db R15: 0000000000000000
 </TASK>

The buggy address belongs to the physical page:
page:ffffea00025ff800 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x97fe0
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 ffffea00025ff808 ffffea00025ff808 0000000000000000
raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner info is not present (never set?)

Memory state around the buggy address:
 ffff888097fe0400: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff888097fe0480: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff888097fe0500: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                            ^
 ffff888097fe0580: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff888097fe0600: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
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