BUG: memory leak
unreferenced object 0xffff88804629d9c0 (size 144):
  comm "syz-executor.5", pid 13446, jiffies 4297270535 (age 23.586s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 f9 00 f7 68 00 00 00 00  ...........h....
    68 27 7f 19 00 00 00 00 f9 00 f7 68 00 00 00 00  h'.........h....
  backtrace:
    [<00000000c440763d>] kmem_cache_zalloc include/linux/slab.h:654 [inline]
    [<00000000c440763d>] __kernfs_iattrs+0xbc/0x470 fs/kernfs/inode.c:43
    [<000000005ed4152d>] kernfs_iattrs fs/kernfs/inode.c:66 [inline]
    [<000000005ed4152d>] kernfs_xattr_set+0x2b/0x80 fs/kernfs/inode.c:304
    [<00000000c2ff0977>] selinux_kernfs_init_security+0x26d/0x4c0 security/selinux/hooks.c:3522
    [<0000000006f9c69b>] security_kernfs_init_security+0x4e/0xb0 security/security.c:1456
    [<00000000d22285e3>] __kernfs_new_node+0x531/0x860 fs/kernfs/dir.c:674
    [<00000000f844eed9>] kernfs_new_node+0x18d/0x250 fs/kernfs/dir.c:711
    [<000000005583430d>] kernfs_create_dir_ns+0x49/0x160 fs/kernfs/dir.c:1047
    [<0000000095714121>] kernfs_create_dir include/linux/kernfs.h:561 [inline]
    [<0000000095714121>] cgroup_create kernel/cgroup/cgroup.c:5366 [inline]
    [<0000000095714121>] cgroup_mkdir+0x315/0xf50 kernel/cgroup/cgroup.c:5502
    [<0000000089656f8f>] kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1148
    [<000000007fc9b08f>] vfs_mkdir+0x493/0x750 fs/namei.c:3706
    [<0000000017280875>] do_mkdirat+0x150/0x2b0 fs/namei.c:3728
    [<00000000b047beb5>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<00000000b55ee3fa>] entry_SYSCALL_64_after_hwframe+0x67/0xd1

BUG: leak checking failed