BUG: memory leak
unreferenced object 0xffff8880469c54e0 (size 144):
  comm "syz-executor.4", pid 10203, jiffies 4296538083 (age 22.187s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 d6 1d 09 64 00 00 00 00  ...........d....
    3b 77 c0 23 00 00 00 00 d6 1d 09 64 00 00 00 00  ;w.#.......d....
  backtrace:
    [<00000000b07ff7e1>] kmem_cache_zalloc include/linux/slab.h:654 [inline]
    [<00000000b07ff7e1>] __kernfs_iattrs+0xbc/0x470 fs/kernfs/inode.c:43
    [<0000000096bebd86>] kernfs_iattrs fs/kernfs/inode.c:66 [inline]
    [<0000000096bebd86>] kernfs_xattr_set+0x2b/0x80 fs/kernfs/inode.c:304
    [<0000000009b7aafe>] selinux_kernfs_init_security+0x268/0x4c0 security/selinux/hooks.c:3522
    [<000000004b4c1469>] security_kernfs_init_security+0x4e/0xb0 security/security.c:1456
    [<00000000847bc553>] __kernfs_new_node+0x531/0x850 fs/kernfs/dir.c:674
    [<0000000022461321>] kernfs_new_node fs/kernfs/dir.c:697 [inline]
    [<0000000022461321>] kernfs_create_dir_ns+0x9c/0x230 fs/kernfs/dir.c:1033
    [<000000005f0c466f>] kernfs_create_dir include/linux/kernfs.h:561 [inline]
    [<000000005f0c466f>] cgroup_create kernel/cgroup/cgroup.c:5328 [inline]
    [<000000005f0c466f>] cgroup_mkdir+0x318/0xfc0 kernel/cgroup/cgroup.c:5462
    [<00000000e021c393>] kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1134
    [<00000000a8cc3710>] vfs_mkdir+0x41f/0x660 fs/namei.c:3657
    [<000000002eb29865>] do_mkdirat+0x145/0x2a0 fs/namei.c:3680
    [<000000003ad743ff>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<00000000eb519550>] entry_SYSCALL_64_after_hwframe+0x61/0xc6

BUG: leak checking failed