BUG: memory leak
unreferenced object 0xffff88801b6be8f0 (size 144):
  comm "syz-executor.5", pid 9732, jiffies 4296382080 (age 21.961s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 d9 aa 2a 67 00 00 00 00  ..........*g....
    fb b6 c5 08 00 00 00 00 d9 aa 2a 67 00 00 00 00  ..........*g....
  backtrace:
    [<00000000a0e3e67c>] kmem_cache_zalloc include/linux/slab.h:654 [inline]
    [<00000000a0e3e67c>] __kernfs_iattrs+0xbc/0x470 fs/kernfs/inode.c:43
    [<00000000e0689d40>] kernfs_iattrs fs/kernfs/inode.c:66 [inline]
    [<00000000e0689d40>] kernfs_xattr_set+0x2b/0x80 fs/kernfs/inode.c:304
    [<00000000e6ba2825>] selinux_kernfs_init_security+0x26d/0x4c0 security/selinux/hooks.c:3522
    [<00000000fcf6e0df>] security_kernfs_init_security+0x4e/0xb0 security/security.c:1456
    [<00000000c29a7122>] __kernfs_new_node+0x531/0x860 fs/kernfs/dir.c:674
    [<00000000dbce7cc4>] kernfs_new_node+0x18d/0x250 fs/kernfs/dir.c:711
    [<00000000ce469b58>] kernfs_create_dir_ns+0x49/0x160 fs/kernfs/dir.c:1047
    [<00000000982409ab>] kernfs_create_dir include/linux/kernfs.h:561 [inline]
    [<00000000982409ab>] cgroup_create kernel/cgroup/cgroup.c:5343 [inline]
    [<00000000982409ab>] cgroup_mkdir+0x318/0xf50 kernel/cgroup/cgroup.c:5477
    [<0000000060757d22>] kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1148
    [<00000000bfb829b3>] vfs_mkdir+0x493/0x750 fs/namei.c:3706
    [<000000009c1b585a>] do_mkdirat+0x150/0x2b0 fs/namei.c:3728
    [<00000000a64d34c1>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<00000000cd646cae>] entry_SYSCALL_64_after_hwframe+0x67/0xd1

BUG: leak checking failed