BUG: memory leak
unreferenced object 0xffff88801a4cb000 (size 144):
  comm "syz-executor.2", pid 14750, jiffies 4297933103 (age 22.828s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 69 c4 19 64 00 00 00 00  ........i..d....
    21 10 ee 03 00 00 00 00 69 c4 19 64 00 00 00 00  !.......i..d....
  backtrace:
    [<00000000b6fa0005>] kmem_cache_zalloc include/linux/slab.h:654 [inline]
    [<00000000b6fa0005>] __kernfs_iattrs+0xbc/0x470 fs/kernfs/inode.c:43
    [<0000000042f5ee66>] kernfs_iattrs fs/kernfs/inode.c:66 [inline]
    [<0000000042f5ee66>] kernfs_xattr_set+0x2b/0x80 fs/kernfs/inode.c:304
    [<000000006103c4fe>] selinux_kernfs_init_security+0x26d/0x4c0 security/selinux/hooks.c:3522
    [<000000007cd00cb4>] security_kernfs_init_security+0x4e/0xb0 security/security.c:1456
    [<000000009f101914>] __kernfs_new_node+0x531/0x850 fs/kernfs/dir.c:674
    [<00000000e0f882d4>] kernfs_new_node fs/kernfs/dir.c:697 [inline]
    [<00000000e0f882d4>] kernfs_create_dir_ns+0x9c/0x230 fs/kernfs/dir.c:1033
    [<000000009be9fae3>] kernfs_create_dir include/linux/kernfs.h:561 [inline]
    [<000000009be9fae3>] cgroup_create kernel/cgroup/cgroup.c:5328 [inline]
    [<000000009be9fae3>] cgroup_mkdir+0x318/0xfe0 kernel/cgroup/cgroup.c:5462
    [<00000000b95c6609>] kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1134
    [<00000000df4a175b>] vfs_mkdir+0x424/0x680 fs/namei.c:3657
    [<00000000362b16d8>] do_mkdirat+0x145/0x2a0 fs/namei.c:3680
    [<00000000ce2ad9f2>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<0000000055aa6351>] entry_SYSCALL_64_after_hwframe+0x61/0xc6

BUG: leak checking failed