ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel.
ntfs: volume version 3.1.
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BUG: KASAN: use-after-free in ntfs_commit_pages_after_write fs/ntfs/file.c:1608 [inline]
BUG: KASAN: use-after-free in ntfs_perform_write+0x4110/0x66b8 fs/ntfs/file.c:1864
Write of size 1 at addr ffff0000e1ad5170 by task syz-executor.0/4433

CPU: 0 PID: 4433 Comm: syz-executor.0 Not tainted 5.15.174-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
Call trace:
 dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 print_address_description+0x7c/0x3f0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:434 [inline]
 kasan_report+0x174/0x1e4 mm/kasan/report.c:451
 kasan_check_range+0x274/0x2b4 mm/kasan/generic.c:189
 memcpy+0xb4/0xe8 mm/kasan/shadow.c:66
 ntfs_commit_pages_after_write fs/ntfs/file.c:1608 [inline]
 ntfs_perform_write+0x4110/0x66b8 fs/ntfs/file.c:1864
 ntfs_file_write_iter+0xfa4/0x170c fs/ntfs/file.c:1921
 call_write_iter include/linux/fs.h:2174 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0x884/0xb44 fs/read_write.c:594
 ksys_write+0x15c/0x26c fs/read_write.c:647
 __do_sys_write fs/read_write.c:659 [inline]
 __se_sys_write fs/read_write.c:656 [inline]
 __arm64_sys_write+0x7c/0x90 fs/read_write.c:656
 __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+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 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:000000002085c709 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x121ad5
flags: 0x5ffc00000000000(node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc00000000000 fffffc0003868b48 fffffc000386b508 0000000000000000
raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff0000e1ad5000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff0000e1ad5080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff0000e1ad5100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                                                             ^
 ffff0000e1ad5180: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff0000e1ad5200: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
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