FAT-fs (loop6): Unrecognized mount option "./file0" or missing value
==================================================================
BUG: KASAN: slab-out-of-bounds in shrink_folio_list+0x141d/0x37d0
Read of size 8 at addr ffff888040791301 by task syz-executor.3/5409

CPU: 1 PID: 5409 Comm: syz-executor.3 Not tainted 6.4.0-next-20230706 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0x91/0xf0
 print_report+0xcc/0x620
 kasan_report+0xbe/0xf0
 kasan_check_range+0x39/0x1b0
 shrink_folio_list+0x141d/0x37d0
 reclaim_folio_list+0xc4/0x300
 reclaim_pages+0x377/0x520
 madvise_cold_or_pageout_pte_range+0xc9c/0xf90
 walk_pgd_range+0xcc3/0x1740
 __walk_page_range+0x5f6/0x720
 walk_page_range+0x316/0x4b0
 madvise_pageout+0x30b/0x580
 madvise_vma_behavior+0x413/0x20a0
 do_madvise.part.0+0x39a/0x650
 __x64_sys_madvise+0x10c/0x160
 do_syscall_64+0x3f/0x90
 entry_SYSCALL_64_after_hwframe+0x6e/0xd8
RIP: 0033:0x7f1af00a5b19
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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1aed5d9188 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007f1af01b90e0 RCX: 00007f1af00a5b19
RDX: 0000000000000015 RSI: 0000000000004000 RDI: 0000000020ffa000
RBP: 00007f1af00fff6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffaa9f566f R14: 00007f1aed5d9300 R15: 0000000000022000
 </TASK>

Allocated by task 5393:
 kasan_save_stack+0x22/0x50
 kasan_set_track+0x25/0x30
 __kasan_slab_alloc+0x59/0x70
 kmem_cache_alloc+0x17b/0x390
 anon_vma_fork+0xe6/0x630
 dup_mmap+0xaf9/0x1250
 copy_process+0x3e68/0x7320
 kernel_clone+0xeb/0x7d0
 __do_sys_fork+0x80/0xc0
 do_syscall_64+0x3f/0x90
 entry_SYSCALL_64_after_hwframe+0x6e/0xd8

The buggy address belongs to the object at ffff888040791220
 which belongs to the cache anon_vma of size 208
The buggy address is located 17 bytes to the right of
 allocated 208-byte region [ffff888040791220, ffff8880407912f0)

The buggy address belongs to the physical page:
page:000000007fa72879 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x40791
memcg:ffff88800f663301
anon flags: 0x100000000000200(slab|node=0|zone=1)
page_type: 0xffffffff()
raw: 0100000000000200 ffff8880087a2280 ffffea00003c9000 dead000000000003
raw: 0000000000000000 00000000000f000f 00000001ffffffff ffff88800f663301
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff888040791200: fc fc fc fc 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888040791280: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc
>ffff888040791300: fc fc fc fc fc fc 00 00 00 00 00 00 00 00 00 00
                   ^
 ffff888040791380: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888040791400: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00
==================================================================
loop7: detected capacity change from 0 to 255
nfs: Unknown parameter 'numa]maps$%]'