BUG: memory leak
unreferenced object 0xffff88801d65add0 (size 144):
  comm "syz-executor.2", pid 23078, jiffies 4296489565 (age 22.643s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 c5 27 5a 67 00 00 00 00  .........'Zg....
    65 d1 65 2d 00 00 00 00 c5 27 5a 67 00 00 00 00  e.e-.....'Zg....
  backtrace:
    [<000000007392b794>] kmem_cache_zalloc include/linux/slab.h:654 [inline]
    [<000000007392b794>] __kernfs_iattrs+0xbc/0x470 fs/kernfs/inode.c:43
    [<000000003f0a4911>] kernfs_iattrs fs/kernfs/inode.c:66 [inline]
    [<000000003f0a4911>] kernfs_xattr_set+0x2b/0x80 fs/kernfs/inode.c:304
    [<0000000024753ef9>] selinux_kernfs_init_security+0x26d/0x4c0 security/selinux/hooks.c:3522
    [<000000001259fbb2>] security_kernfs_init_security+0x4e/0xb0 security/security.c:1456
    [<000000009a594c0b>] __kernfs_new_node+0x531/0x860 fs/kernfs/dir.c:674
    [<000000008330be1f>] kernfs_new_node+0x18d/0x250 fs/kernfs/dir.c:711
    [<0000000039fe7ae9>] kernfs_create_dir_ns+0x49/0x160 fs/kernfs/dir.c:1047
    [<0000000088e37386>] kernfs_create_dir include/linux/kernfs.h:561 [inline]
    [<0000000088e37386>] cgroup_create kernel/cgroup/cgroup.c:5343 [inline]
    [<0000000088e37386>] cgroup_mkdir+0x315/0xf50 kernel/cgroup/cgroup.c:5477
    [<00000000c3531957>] kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1148
    [<0000000049b5fb51>] vfs_mkdir+0x493/0x750 fs/namei.c:3706
    [<000000007a422145>] do_mkdirat+0x150/0x2b0 fs/namei.c:3728
    [<000000005df01e0b>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<00000000eb86738d>] entry_SYSCALL_64_after_hwframe+0x67/0xd1

BUG: leak checking failed