BUG: memory leak
unreferenced object 0xffff88805b7054e0 (size 144):
  comm "syz-executor.2", pid 16613, jiffies 4297116952 (age 26.601s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 91 09 00 00 00 00 00 00  ................
    c8 b7 6b 37 00 00 00 00 91 09 00 00 00 00 00 00  ..k7............
  backtrace:
    [<000000000748a10d>] kmem_cache_zalloc include/linux/slab.h:654 [inline]
    [<000000000748a10d>] __kernfs_iattrs+0xbc/0x470 fs/kernfs/inode.c:43
    [<00000000b96b98fc>] kernfs_iattrs fs/kernfs/inode.c:66 [inline]
    [<00000000b96b98fc>] kernfs_xattr_set+0x2b/0x80 fs/kernfs/inode.c:304
    [<00000000b5b273f1>] selinux_kernfs_init_security+0x26d/0x4c0 security/selinux/hooks.c:3522
    [<0000000026c8831a>] security_kernfs_init_security+0x4e/0xb0 security/security.c:1456
    [<0000000038c12e8a>] __kernfs_new_node+0x531/0x860 fs/kernfs/dir.c:674
    [<00000000bcb6bb5e>] kernfs_new_node+0x18d/0x250 fs/kernfs/dir.c:711
    [<00000000c7f322d4>] kernfs_create_dir_ns+0x49/0x160 fs/kernfs/dir.c:1047
    [<000000006e2ede7e>] kernfs_create_dir include/linux/kernfs.h:561 [inline]
    [<000000006e2ede7e>] cgroup_create kernel/cgroup/cgroup.c:5343 [inline]
    [<000000006e2ede7e>] cgroup_mkdir+0x318/0xf50 kernel/cgroup/cgroup.c:5477
    [<00000000da8fd775>] kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1148
    [<00000000055e4f8a>] vfs_mkdir+0x493/0x750 fs/namei.c:3706
    [<00000000b49c41dc>] do_mkdirat+0x150/0x2b0 fs/namei.c:3728
    [<000000008b63a389>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<00000000b37af0cb>] entry_SYSCALL_64_after_hwframe+0x67/0xd1

BUG: leak checking failed