From patchwork Tue Apr 23 07:37:21 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kunwu X-Patchwork-Id: 13639433 Received: from mailgw.kylinos.cn (mailgw.kylinos.cn [124.126.103.232]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9D6B147772; Tue, 23 Apr 2024 07:37:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=124.126.103.232 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713857861; cv=none; b=af8QeoZcAuyjtIw2DzBipd8qpGG3A6lfxLCKw910ns5I5Qzss5b0O3+TLE/bwYsT3Kh7xFcw4qWF8hhO93bOMTU0sjlMCLstcx9Vr/eWotGIYJFMJc7knMdVcnXhvcOV9pn+bqsL2sTPA9kM3JYBYLxAVmj++5eJJGe9HsXpIR4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713857861; c=relaxed/simple; bh=xy1GcLvjBjJXjiL/7OVsqPvJYIeiFhB5hYNxFZjPnY8=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=pqEKpSmAlKaJ/XubgGfmlnNnuR7nVe6/5ar98xjpV1EpaCnFozP71RWjZEtJ9dxyDD8KOe/W/qOHFyJ9ai03TbWikwSNh3qF60roJriXjscmqBMgs2zl/Ad4vMHIejp/sFlGuXUz4zTiEXDhNuc0bklql2dbYjSqJ4aLyvV2bJo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn; spf=pass smtp.mailfrom=kylinos.cn; arc=none smtp.client-ip=124.126.103.232 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kylinos.cn X-UUID: 54a3e73a014411ef9305a59a3cc225df-20240423 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.37,REQID:5c1badbe-41c9-45d4-b027-0d1082d0c4ae,IP:20, URL:0,TC:0,Content:-5,EDM:-30,RT:0,SF:1,FILE:0,BULK:0,RULE:Release_Ham,ACT ION:release,TS:-14 X-CID-INFO: VERSION:1.1.37,REQID:5c1badbe-41c9-45d4-b027-0d1082d0c4ae,IP:20,UR L:0,TC:0,Content:-5,EDM:-30,RT:0,SF:1,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:-14 X-CID-META: VersionHash:6f543d0,CLOUDID:78bbcd68642dc5561833052310f5a086,BulkI D:240423153729G2ISWZO1,BulkQuantity:0,Recheck:0,SF:43|74|66|38|24|72|19|10 2,TC:nil,Content:0,EDM:2,IP:-2,URL:0,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:n il,COL:0,OSI:0,OSA:0,AV:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR,TF_CID_SPAM_FSD,TF_CID_SPAM_FSI X-UUID: 54a3e73a014411ef9305a59a3cc225df-20240423 Received: from mail.kylinos.cn [(39.156.73.10)] by mailgw.kylinos.cn (envelope-from ) (Generic MTA) with ESMTP id 942058463; Tue, 23 Apr 2024 15:37:26 +0800 Received: from mail.kylinos.cn (localhost [127.0.0.1]) by mail.kylinos.cn (NSMail) with SMTP id D5712E000EB9; Tue, 23 Apr 2024 15:37:25 +0800 (CST) X-ns-mid: postfix-66276535-657266450 Received: from kernel.. (unknown [10.42.12.206]) by mail.kylinos.cn (NSMail) with ESMTPA id 235EEE000EB9; Tue, 23 Apr 2024 15:37:25 +0800 (CST) From: Kunwu Chan To: kunwu.chan@hotmail.com, pbonzini@redhat.com, shuah@kernel.org Cc: kvm@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, Kunwu Chan Subject: [PATCH] KVM: selftests: Add 'malloc' failure check in config_name Date: Tue, 23 Apr 2024 15:37:21 +0800 Message-Id: <20240423073721.2001016-1-chentao@kylinos.cn> X-Mailer: git-send-email 2.40.1 Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 There is a 'malloc' call in config_name function, which can be unsuccessful. This patch will add the malloc failure checking to avoid possible null dereference and give more information about test fail reasons. Signed-off-by: Kunwu Chan Reviewed-by: Muhammad Usama Anjum --- tools/testing/selftests/kvm/get-reg-list.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/testing/selftests/kvm/get-reg-list.c b/tools/testing/selftests/kvm/get-reg-list.c index 91f05f78e824..22398696ffd6 100644 --- a/tools/testing/selftests/kvm/get-reg-list.c +++ b/tools/testing/selftests/kvm/get-reg-list.c @@ -66,6 +66,7 @@ static const char *config_name(struct vcpu_reg_list *c) len += strlen(s->name) + 1; c->name = malloc(len); + TEST_ASSERT(c->name, "-ENOMEM when allocating config name"); len = 0; for_each_sublist(c, s) {