The fuzzer fails to parse the following spec

[blakat360]

openapi: 3.1.0
info:
  title: FastAPI
  version: 0.1.0
paths:
  /heroes/:
    post:
      summary: Create Hero
      operationId: create_hero_heroes__post
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/HeroCreate'
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HeroRead'
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
    get:
      summary: Read Heroes
      operationId: read_heroes_heroes__get
      parameters:
      - name: offset
        in: query
        required: false
        schema:
          type: integer
          default: 0
          title: Offset
      - name: limit
        in: query
        required: false
        schema:
          type: integer
          maximum: 100
          exclusiveMinimum: 0
          default: 100
          title: Limit
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/HeroRead'
                title: Response Read Heroes Heroes  Get
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
  /heroes/{hero_id}:
    get:
      summary: Read Hero
      operationId: read_hero_heroes__hero_id__get
      parameters:
      - name: hero_id
        in: path
        required: true
        schema:
          type: integer
          title: Hero Id
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HeroReadWithTeam'
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
    patch:
      summary: Update Hero
      operationId: update_hero_heroes__hero_id__patch
      parameters:
      - name: hero_id
        in: path
        required: true
        schema:
          type: integer
          title: Hero Id
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/HeroUpdate'
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HeroRead'
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
    delete:
      summary: Delete Hero
      operationId: delete_hero_heroes__hero_id__delete
      parameters:
      - name: hero_id
        in: path
        required: true
        schema:
          type: integer
          title: Hero Id
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
  /teams/:
    post:
      summary: Create Team
      operationId: create_team_teams__post
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/TeamCreate'
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TeamRead'
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
    get:
      summary: Read Teams
      operationId: read_teams_teams__get
      parameters:
      - name: offset
        in: query
        required: false
        schema:
          type: integer
          default: 0
          title: Offset
      - name: limit
        in: query
        required: false
        schema:
          type: integer
          maximum: 100
          default: 100
          title: Limit
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/TeamRead'
                title: Response Read Teams Teams  Get
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
  /teams/{team_id}:
    get:
      summary: Read Team
      operationId: read_team_teams__team_id__get
      parameters:
      - name: team_id
        in: path
        required: true
        schema:
          type: integer
          title: Team Id
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TeamReadWithHeroes'
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
    patch:
      summary: Update Team
      operationId: update_team_teams__team_id__patch
      parameters:
      - name: team_id
        in: path
        required: true
        schema:
          type: integer
          title: Team Id
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/TeamUpdate'
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TeamRead'
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
    delete:
      summary: Delete Team
      operationId: delete_team_teams__team_id__delete
      parameters:
      - name: team_id
        in: path
        required: true
        schema:
          type: integer
          title: Team Id
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
components:
  schemas:
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          type: array
          title: Detail
      type: object
      title: HTTPValidationError
    HeroCreate:
      properties:
        name:
          type: string
          title: Name
        secret_name:
          type: string
          title: Secret Name
        age:
          anyOf:
          - type: integer
          - type: 'null'
          title: Age
        team_id:
          anyOf:
          - type: integer
          - type: 'null'
          title: Team Id
      type: object
      required:
      - name
      - secret_name
      title: HeroCreate
    HeroRead:
      properties:
        name:
          type: string
          title: Name
        secret_name:
          type: string
          title: Secret Name
        age:
          anyOf:
          - type: integer
          - type: 'null'
          title: Age
        team_id:
          anyOf:
          - type: integer
          - type: 'null'
          title: Team Id
        id:
          type: integer
          title: Id
      type: object
      required:
      - name
      - secret_name
      - id
      title: HeroRead
    HeroReadWithTeam:
      properties:
        name:
          type: string
          title: Name
        secret_name:
          type: string
          title: Secret Name
        age:
          anyOf:
          - type: integer
          - type: 'null'
          title: Age
        team_id:
          anyOf:
          - type: integer
          - type: 'null'
          title: Team Id
        id:
          type: integer
          title: Id
        team:
          anyOf:
          - $ref: '#/components/schemas/TeamRead'
          - type: 'null'
      type: object
      required:
      - name
      - secret_name
      - id
      title: HeroReadWithTeam
    HeroUpdate:
      properties:
        name:
          anyOf:
          - type: string
          - type: 'null'
          title: Name
        secret_name:
          anyOf:
          - type: string
          - type: 'null'
          title: Secret Name
        age:
          anyOf:
          - type: integer
          - type: 'null'
          title: Age
        team_id:
          anyOf:
          - type: integer
          - type: 'null'
          title: Team Id
      type: object
      title: HeroUpdate
    TeamCreate:
      properties:
        name:
          type: string
          title: Name
        headquarters:
          type: string
          title: Headquarters
      type: object
      required:
      - name
      - headquarters
      title: TeamCreate
    TeamRead:
      properties:
        name:
          type: string
          title: Name
        headquarters:
          type: string
          title: Headquarters
        id:
          type: integer
          title: Id
      type: object
      required:
      - name
      - headquarters
      - id
      title: TeamRead
    TeamReadWithHeroes:
      properties:
        name:
          type: string
          title: Name
        headquarters:
          type: string
          title: Headquarters
        id:
          type: integer
          title: Id
        heroes:
          items:
            $ref: '#/components/schemas/HeroRead'
          type: array
          title: Heroes
          default: []
      type: object
      required:
      - name
      - headquarters
      - id
      title: TeamReadWithHeroes
    TeamUpdate:
      properties:
        id:
          anyOf:
          - type: integer
          - type: 'null'
          title: Id
        name:
          anyOf:
          - type: string
          - type: 'null'
          title: Name
        headquarters:
          anyOf:
          - type: string
          - type: 'null'
          title: Headquarters
      type: object
      title: TeamUpdate
    ValidationError:
      properties:
        loc:
          items:
            anyOf:
            - type: string
            - type: integer
          type: array
          title: Location
        msg:
          type: string
          title: Message
        type:
          type: string
          title: Error Type
      type: object
      required:
      - loc
      - msg
      - type
      title: ValidationError