F2FS-fs (loop5): Unable to read 2th superblock
------------[ cut here ]------------
kernel BUG at mm/slub.c:5893!
Internal error: Oops - BUG: 0 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 16320 Comm: syz-executor.5 Not tainted 6.0.0-rc4-syzkaller-17186-g25050c56fa3c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : create_unique_id mm/slub.c:5973 [inline]
pc : sysfs_slab_add+0x258/0x260 mm/slub.c:5950
lr : kmalloc include/linux/slab.h:600 [inline]
lr : create_unique_id mm/slub.c:5890 [inline]
lr : sysfs_slab_add+0xa0/0x260 mm/slub.c:5950
sp : ffff80001489b990
x29: ffff80001489b990 x28: ffff0000e52bbb80 x27: ffff0000c92a0200
x26: 0000000000020000 x25: ffff80000eee7000 x24: ffff80000eef6000
x23: 0000000000000000 x22: ffff0000c1efcd00 x21: 0000000000000008
x20: ffff0000c92a0200 x19: ffff0000c92a0200 x18: 0000000000000000
x17: 0000000000000000 x16: ffff80000dbb8658 x15: ffff0001022f9a80
x14: 0000000000000010 x13: 0000000000000000 x12: 0000000000040000
x11: 000000000000aa4c x10: ffff8000128b5000 x9 : 49d0012d0c48f100
x8 : 49d0012d0c48f100 x7 : ffff8000084b7800 x6 : 0000000000000000
x5 : 0000000000000cc0 x4 : 0000000000000080 x3 : 0000000000000040
x2 : ffff0000c0001200 x1 : ffff80000cb91049 x0 : 0000000000000000
Call trace:
 sysfs_slab_add+0x258/0x260 mm/slub.c:5973
 __kmem_cache_create+0x60/0x118 mm/slub.c:4899
 create_cache mm/slab_common.c:229 [inline]
 kmem_cache_create_usercopy+0x19c/0x31c mm/slab_common.c:335
 kmem_cache_create+0x1c/0x28 mm/slab_common.c:390
 f2fs_kmem_cache_create fs/f2fs/f2fs.h:2766 [inline]
 f2fs_init_xattr_caches+0x78/0xb4 fs/f2fs/xattr.c:808
 f2fs_fill_super+0x1050/0x1e0c fs/f2fs/super.c:4149
 mount_bdev+0x1b8/0x210 fs/super.c:1400
 f2fs_mount+0x44/0x58 fs/f2fs/super.c:4512
 legacy_get_tree+0x30/0x74 fs/fs_context.c:610
 vfs_get_tree+0x40/0x140 fs/super.c:1530
 do_new_mount+0x1dc/0x4e4 fs/namespace.c:3040
 path_mount+0x358/0x914 fs/namespace.c:3370
 do_mount fs/namespace.c:3383 [inline]
 __do_sys_mount fs/namespace.c:3591 [inline]
 __se_sys_mount fs/namespace.c:3568 [inline]
 __arm64_sys_mount+0x2f8/0x408 fs/namespace.c:3568
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall arch/arm64/kernel/syscall.c:52 [inline]
 el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x48/0x154 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:624
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:642
 el0t_64_sync+0x18c/0x190
Code: a9415ff8 a8c47bfd d50323bf d65f03c0 (d4210000) 
---[ end trace 0000000000000000 ]---