From patchwork Wed Jun 16 07:21:21 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markus Armbruster X-Patchwork-Id: 12324357 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0512FC48BE6 for ; Wed, 16 Jun 2021 07:22:33 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7F6BD6135C for ; Wed, 16 Jun 2021 07:22:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7F6BD6135C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:45916 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ltPsd-0005vn-G8 for qemu-devel@archiver.kernel.org; Wed, 16 Jun 2021 03:22:31 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:45054) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ltPrf-0005Fq-A6 for qemu-devel@nongnu.org; Wed, 16 Jun 2021 03:21:31 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:33122) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ltPrb-0001zD-6g for qemu-devel@nongnu.org; Wed, 16 Jun 2021 03:21:29 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1623828086; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=eU4QID+mbAVYNPUv+X6xCLaooF+PCTxssd+sIHekLKA=; b=ZEXnYDVnVKqaFLo7eYhCEHuGDgk8PUCv0fatK7HUuKp+c6rX0ynhyFhIgrQkl8hg3pnsQV sF9aea5ch5WKQtqfcC+YT73wN6bp1ZxF8FqreVq86lzLxQ0Ykh+TrDkPRiT8/wNcbBvNqA 3WkYVoNqg1xd7qwsA3kf9ltQC4lvt5E= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-588-KwR6j6cXNqaKFqRY78KPaA-1; Wed, 16 Jun 2021 03:21:24 -0400 X-MC-Unique: KwR6j6cXNqaKFqRY78KPaA-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id AB6CBBBEE6 for ; Wed, 16 Jun 2021 07:21:23 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-112-104.ams2.redhat.com [10.36.112.104]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 7BB6F5D9DE; Wed, 16 Jun 2021 07:21:23 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id E7440113865F; Wed, 16 Jun 2021 09:21:21 +0200 (CEST) From: Markus Armbruster To: qemu-devel@nongnu.org Subject: [PATCH] qapi: Fix crash on missing enum member name Date: Wed, 16 Jun 2021 09:21:21 +0200 Message-Id: <20210616072121.626431-1-armbru@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=armbru@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=170.10.133.124; envelope-from=armbru@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.197, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: jsnow@redhat.com, eblake@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" New test case enum-dict-no-name.json crashes: $ python3 scripts/qapi-gen.py tests/qapi-schema/enum-dict-no-name.json Traceback (most recent call last): [...] File "/work/armbru/qemu/scripts/qapi/expr.py", line 458, in check_enum member_name = member['name'] KeyError: 'name' Root cause: we try to retrieve member 'name' before we check for missing members. With that fixed, we get the expected error "'data' member misses key 'name'". Fixes: 0825f62c842f2c07c5471391c6d7fd3f4fe83732 Signed-off-by: Markus Armbruster Reviewed-by: Eric Blake Reviewed-by: John Snow --- scripts/qapi/expr.py | 2 +- tests/qapi-schema/enum-dict-no-name.err | 2 ++ tests/qapi-schema/enum-dict-no-name.json | 2 ++ tests/qapi-schema/enum-dict-no-name.out | 0 4 files changed, 5 insertions(+), 1 deletion(-) create mode 100644 tests/qapi-schema/enum-dict-no-name.err create mode 100644 tests/qapi-schema/enum-dict-no-name.json create mode 100644 tests/qapi-schema/enum-dict-no-name.out diff --git a/scripts/qapi/expr.py b/scripts/qapi/expr.py index 496f7e0333..cf98923fa6 100644 --- a/scripts/qapi/expr.py +++ b/scripts/qapi/expr.py @@ -455,8 +455,8 @@ def check_enum(expr: _JSONObject, info: QAPISourceInfo) -> None: for m in members] for member in members: source = "'data' member" - member_name = member['name'] check_keys(member, info, source, ['name'], ['if']) + member_name = member['name'] check_name_is_str(member_name, info, source) source = "%s '%s'" % (source, member_name) # Enum members may start with a digit diff --git a/tests/qapi-schema/enum-dict-no-name.err b/tests/qapi-schema/enum-dict-no-name.err new file mode 100644 index 0000000000..3ce0c16987 --- /dev/null +++ b/tests/qapi-schema/enum-dict-no-name.err @@ -0,0 +1,2 @@ +enum-dict-no-name.json: In enum 'Enum': +enum-dict-no-name.json:2: 'data' member misses key 'name' diff --git a/tests/qapi-schema/enum-dict-no-name.json b/tests/qapi-schema/enum-dict-no-name.json new file mode 100644 index 0000000000..5952a8662e --- /dev/null +++ b/tests/qapi-schema/enum-dict-no-name.json @@ -0,0 +1,2 @@ +# enum member lacking a name +{ 'enum': 'Enum', 'data': [ {} ] } diff --git a/tests/qapi-schema/enum-dict-no-name.out b/tests/qapi-schema/enum-dict-no-name.out new file mode 100644 index 0000000000..e69de29bb2