BUG: memory leak
unreferenced object 0xffff88800cd13340 (size 144):
  comm "syz-executor.7", pid 14870, jiffies 4297452655 (age 17.940s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 b4 d4 83 66 00 00 00 00  ...........f....
    4a e0 2c 1c 00 00 00 00 b4 d4 83 66 00 00 00 00  J.,........f....
  backtrace:
    [<00000000c1d41ea7>] kmem_cache_zalloc include/linux/slab.h:654 [inline]
    [<00000000c1d41ea7>] __kernfs_iattrs+0xbc/0x470 fs/kernfs/inode.c:43
    [<000000002a080a73>] kernfs_iattrs fs/kernfs/inode.c:66 [inline]
    [<000000002a080a73>] kernfs_xattr_set+0x2b/0x80 fs/kernfs/inode.c:304
    [<0000000091a447e1>] selinux_kernfs_init_security+0x26d/0x4c0 security/selinux/hooks.c:3522
    [<000000004268dd04>] security_kernfs_init_security+0x4e/0xb0 security/security.c:1456
    [<000000008bcb844c>] __kernfs_new_node+0x531/0x860 fs/kernfs/dir.c:674
    [<00000000d438a552>] kernfs_new_node+0x18d/0x250 fs/kernfs/dir.c:711
    [<0000000026948f45>] kernfs_create_dir_ns+0x49/0x160 fs/kernfs/dir.c:1047
    [<00000000d2b31fbf>] kernfs_create_dir include/linux/kernfs.h:561 [inline]
    [<00000000d2b31fbf>] cgroup_create kernel/cgroup/cgroup.c:5343 [inline]
    [<00000000d2b31fbf>] cgroup_mkdir+0x318/0xf50 kernel/cgroup/cgroup.c:5477
    [<00000000741773b6>] kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1148
    [<0000000008e18712>] vfs_mkdir+0x493/0x750 fs/namei.c:3706
    [<0000000089965e08>] do_mkdirat+0x150/0x2b0 fs/namei.c:3728
    [<0000000035bcbcb2>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<00000000f1e5e10e>] entry_SYSCALL_64_after_hwframe+0x67/0xd1

BUG: leak checking failed