BUG: memory leak
unreferenced object 0xffff88800e786000 (size 144):
  comm "syz-executor.4", pid 12319, jiffies 4296763302 (age 21.893s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 4e 76 87 67 00 00 00 00  ........Nv.g....
    3f 44 4e 2e 00 00 00 00 4e 76 87 67 00 00 00 00  ?DN.....Nv.g....
  backtrace:
    [<000000000d10dc4f>] kmem_cache_zalloc include/linux/slab.h:654 [inline]
    [<000000000d10dc4f>] __kernfs_iattrs+0xbc/0x470 fs/kernfs/inode.c:43
    [<000000004783ca21>] kernfs_iattrs fs/kernfs/inode.c:66 [inline]
    [<000000004783ca21>] kernfs_xattr_set+0x2b/0x80 fs/kernfs/inode.c:304
    [<00000000e1b84387>] selinux_kernfs_init_security+0x26d/0x4c0 security/selinux/hooks.c:3522
    [<00000000695fc00b>] security_kernfs_init_security+0x4e/0xb0 security/security.c:1456
    [<000000004adf4e18>] __kernfs_new_node+0x531/0x860 fs/kernfs/dir.c:674
    [<000000002c408a0f>] kernfs_new_node+0x18d/0x250 fs/kernfs/dir.c:711
    [<00000000700bab43>] kernfs_create_dir_ns+0x49/0x160 fs/kernfs/dir.c:1047
    [<00000000cad90451>] kernfs_create_dir include/linux/kernfs.h:561 [inline]
    [<00000000cad90451>] cgroup_create kernel/cgroup/cgroup.c:5343 [inline]
    [<00000000cad90451>] cgroup_mkdir+0x315/0xf50 kernel/cgroup/cgroup.c:5479
    [<00000000addcb3ca>] kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1148
    [<0000000025ed068b>] vfs_mkdir+0x493/0x750 fs/namei.c:3706
    [<00000000e0f93267>] do_mkdirat+0x150/0x2b0 fs/namei.c:3728
    [<00000000a9b7a902>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<00000000b78b279c>] entry_SYSCALL_64_after_hwframe+0x67/0xd1

BUG: leak checking failed