BUG: memory leak
unreferenced object 0xffff888049002820 (size 144):
  comm "syz-executor.7", pid 10172, jiffies 4296555138 (age 20.645s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 81 00 f2 66 00 00 00 00  ...........f....
    39 18 1f 34 00 00 00 00 81 00 f2 66 00 00 00 00  9..4.......f....
  backtrace:
    [<000000004e05b190>] kmem_cache_zalloc include/linux/slab.h:654 [inline]
    [<000000004e05b190>] __kernfs_iattrs+0xbc/0x470 fs/kernfs/inode.c:43
    [<0000000059c0d59c>] kernfs_iattrs fs/kernfs/inode.c:66 [inline]
    [<0000000059c0d59c>] kernfs_xattr_set+0x2b/0x80 fs/kernfs/inode.c:304
    [<000000008238e5c8>] selinux_kernfs_init_security+0x26d/0x4c0 security/selinux/hooks.c:3522
    [<0000000066883c80>] security_kernfs_init_security+0x4e/0xb0 security/security.c:1456
    [<0000000091e853b1>] __kernfs_new_node+0x531/0x860 fs/kernfs/dir.c:674
    [<0000000094a060a1>] kernfs_new_node+0x18d/0x250 fs/kernfs/dir.c:711
    [<00000000a9c15159>] kernfs_create_dir_ns+0x49/0x160 fs/kernfs/dir.c:1047
    [<000000005aedd1fa>] kernfs_create_dir include/linux/kernfs.h:561 [inline]
    [<000000005aedd1fa>] cgroup_create kernel/cgroup/cgroup.c:5343 [inline]
    [<000000005aedd1fa>] cgroup_mkdir+0x318/0xf50 kernel/cgroup/cgroup.c:5477
    [<000000003571db46>] kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1148
    [<00000000cc8a6188>] vfs_mkdir+0x493/0x750 fs/namei.c:3706
    [<00000000849abfc1>] do_mkdirat+0x150/0x2b0 fs/namei.c:3728
    [<0000000079783d4c>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<00000000bbad3863>] entry_SYSCALL_64_after_hwframe+0x67/0xd1

BUG: leak checking failed