ntfs: (device loop0): ntfs_ucstonls(): Unicode name contains characters that cannot be converted to character set maccenteuro.  You might want to try to use the mount option nls=utf8.
ntfs: (device loop0): ntfs_filldir(): Skipping unrepresentable inode 0x4.
==================================================================
BUG: KASAN: slab-out-of-bounds in ntfs_filldir fs/ntfs/dir.c:1021 [inline]
BUG: KASAN: slab-out-of-bounds in ntfs_readdir+0xed5/0x36f0 fs/ntfs/dir.c:1200
Read of size 1 at addr ffff88802ae65d99 by task syz-executor113/4163

CPU: 1 PID: 4163 Comm: syz-executor113 Not tainted 5.15.175-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
 print_address_description+0x63/0x3b0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:434 [inline]
 kasan_report+0x16b/0x1c0 mm/kasan/report.c:451
 ntfs_filldir fs/ntfs/dir.c:1021 [inline]
 ntfs_readdir+0xed5/0x36f0 fs/ntfs/dir.c:1200
 iterate_dir+0x224/0x570
 __do_sys_getdents64 fs/readdir.c:369 [inline]
 __se_sys_getdents64+0x209/0x4f0 fs/readdir.c:354
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f9e71995ea3
Code: c1 66 0f 1f 44 00 00 48 83 c4 08 48 89 ef 5b 5d e9 92 48 fb ff 66 90 b8 ff ff ff 7f 48 39 c2 48 0f 47 d0 b8 d9 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 c3 0f 1f 40 00 48 c7 c2 b8 ff ff ff f7 d8
RSP: 002b:00007ffc6d196188 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9
RAX: ffffffffffffffda RBX: 0000555572f6d770 RCX: 00007f9e71995ea3
RDX: 0000000000008000 RSI: 0000555572f6d770 RDI: 0000000000000005
RBP: 0000555572f6d744 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000001000 R11: 0000000000000293 R12: ffffffffffffffb8
R13: 0000000000000016 R14: 0000555572f6d740 R15: 431bde82d7b634db
 </TASK>

Allocated by task 4163:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:46 [inline]
 set_alloc_info mm/kasan/common.c:434 [inline]
 ____kasan_kmalloc+0xba/0xf0 mm/kasan/common.c:513
 kasan_kmalloc include/linux/kasan.h:264 [inline]
 __kmalloc+0x168/0x300 mm/slub.c:4407
 kmalloc include/linux/slab.h:596 [inline]
 ntfs_readdir+0x823/0x36f0 fs/ntfs/dir.c:1162
 iterate_dir+0x224/0x570
 __do_sys_getdents64 fs/readdir.c:369 [inline]
 __se_sys_getdents64+0x209/0x4f0 fs/readdir.c:354
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0

The buggy address belongs to the object at ffff88802ae65c00
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 409 bytes inside of
 512-byte region [ffff88802ae65c00, ffff88802ae65e00)
The buggy address belongs to the page:
page:ffffea0000ab9900 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2ae64
head:ffffea0000ab9900 order:2 compound_mapcount:0 compound_pincount:0
flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000010200 ffffea0000977200 0000000500000005 ffff888017441c80
raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 2, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 3106, ts 15789254797, free_ts 0
 prep_new_page mm/page_alloc.c:2426 [inline]
 get_page_from_freelist+0x3b78/0x3d40 mm/page_alloc.c:4192
 __alloc_pages+0x272/0x700 mm/page_alloc.c:5465
 alloc_slab_page mm/slub.c:1775 [inline]
 allocate_slab mm/slub.c:1912 [inline]
 new_slab+0xbb/0x4b0 mm/slub.c:1975
 ___slab_alloc+0x6f6/0xe10 mm/slub.c:3008
 __slab_alloc mm/slub.c:3095 [inline]
 slab_alloc_node mm/slub.c:3186 [inline]
 slab_alloc mm/slub.c:3228 [inline]
 kmem_cache_alloc_trace+0x1a0/0x290 mm/slub.c:3245
 kmalloc include/linux/slab.h:591 [inline]
 kzalloc include/linux/slab.h:721 [inline]
 alloc_bprm+0x57/0x700 fs/exec.c:1516
 kernel_execve+0x49/0x9b0 fs/exec.c:1978
 call_usermodehelper_exec_async+0x22f/0x370 kernel/umh.c:112
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
page_owner free stack trace missing

Memory state around the buggy address:
 ffff88802ae65c80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88802ae65d00: 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc
>ffff88802ae65d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
                            ^
 ffff88802ae65e00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88802ae65e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================