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BUG: KASAN: use-after-free in ntfs_read_folio+0x6c0/0x1d70 fs/ntfs/aops.c:489
Read of size 285212680 at addr ffff0000f601ba9a by task syz-executor.4/5388

CPU: 1 PID: 5388 Comm: syz-executor.4 Not tainted 6.1.90-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
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+0x108/0x170 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+0xd4/0x130 mm/kasan/report.c:495
 kasan_check_range+0x264/0x2a4 mm/kasan/generic.c:189
 memcpy+0x48/0x90 mm/kasan/shadow.c:65
 ntfs_read_folio+0x6c0/0x1d70 fs/ntfs/aops.c:489
 filemap_read_folio+0x14c/0x39c mm/filemap.c:2461
 do_read_cache_folio+0x24c/0x544 mm/filemap.c:3598
 do_read_cache_page mm/filemap.c:3640 [inline]
 read_cache_page+0x6c/0x180 mm/filemap.c:3649
 read_mapping_page include/linux/pagemap.h:791 [inline]
 ntfs_map_page fs/ntfs/aops.h:75 [inline]
 ntfs_readdir+0x564/0x2be8 fs/ntfs/dir.c:1243
 iterate_dir+0x1f4/0x4e4
 __do_sys_getdents64 fs/readdir.c:369 [inline]
 __se_sys_getdents64 fs/readdir.c:354 [inline]
 __arm64_sys_getdents64+0x1c4/0x4a0 fs/readdir.c:354
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x168 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:000000008e065fb9 refcount:3 mapcount:0 mapping:0000000052622423 index:0x2 pfn:0x13601b
memcg:ffff0000d1ebe000
aops:ntfs_mst_aops ino:0
flags: 0x5ffd60000002056(referenced|uptodate|lru|workingset|private|node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffd60000002056 fffffc0003d82d88 fffffc0003d32ec8 ffff0000f22578c8
raw: 0000000000000002 ffff0000df7c4658 00000003ffffffff ffff0000d1ebe000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff0000f601ff00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff0000f601ff80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff0000f6020000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                   ^
 ffff0000f6020080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff0000f6020100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
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