BUG: memory leak
unreferenced object 0xffff88804715f9c0 (size 144):
  comm "syz-executor.5", pid 12177, jiffies 4297032321 (age 24.003s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 13 59 08 68 00 00 00 00  .........Y.h....
    bc cf a6 29 00 00 00 00 13 59 08 68 00 00 00 00  ...).....Y.h....
  backtrace:
    [<00000000ff621f0a>] kmem_cache_zalloc include/linux/slab.h:654 [inline]
    [<00000000ff621f0a>] __kernfs_iattrs+0xbc/0x470 fs/kernfs/inode.c:43
    [<00000000e25ec9d7>] kernfs_iattrs fs/kernfs/inode.c:66 [inline]
    [<00000000e25ec9d7>] kernfs_xattr_set+0x2b/0x80 fs/kernfs/inode.c:304
    [<00000000c76fd62d>] selinux_kernfs_init_security+0x26d/0x4c0 security/selinux/hooks.c:3522
    [<000000001bc0057b>] security_kernfs_init_security+0x4e/0xb0 security/security.c:1456
    [<00000000b401f1b1>] __kernfs_new_node+0x531/0x860 fs/kernfs/dir.c:674
    [<00000000981c64ae>] kernfs_new_node+0x18d/0x250 fs/kernfs/dir.c:711
    [<00000000f6fe6335>] kernfs_create_dir_ns+0x49/0x160 fs/kernfs/dir.c:1047
    [<00000000a34f62a0>] kernfs_create_dir include/linux/kernfs.h:561 [inline]
    [<00000000a34f62a0>] cgroup_create kernel/cgroup/cgroup.c:5343 [inline]
    [<00000000a34f62a0>] cgroup_mkdir+0x315/0xf50 kernel/cgroup/cgroup.c:5479
    [<0000000073791a92>] kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1148
    [<00000000e0993f38>] vfs_mkdir+0x493/0x750 fs/namei.c:3706
    [<000000004311616e>] do_mkdirat+0x150/0x2b0 fs/namei.c:3728
    [<000000005287e091>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<0000000032904c4e>] entry_SYSCALL_64_after_hwframe+0x67/0xd1

BUG: leak checking failed