From patchwork Tue Mar 29 10:39:19 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lv Ruyi X-Patchwork-Id: 555419 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id F3818C433F5 for ; Tue, 29 Mar 2022 10:39:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235280AbiC2KlI (ORCPT ); Tue, 29 Mar 2022 06:41:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51354 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231955AbiC2KlI (ORCPT ); Tue, 29 Mar 2022 06:41:08 -0400 Received: from mail-qt1-x829.google.com (mail-qt1-x829.google.com [IPv6:2607:f8b0:4864:20::829]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BA111385; Tue, 29 Mar 2022 03:39:25 -0700 (PDT) Received: by mail-qt1-x829.google.com with SMTP id j21so14854905qta.0; Tue, 29 Mar 2022 03:39:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=5Ecw2v/7sJWWbjDq3WJP55wjT6CTt1W28tsRHnE8O4o=; b=JHJBqa1piz3YU9iObDM7KXs06Yt+QFBj/gqoPldKRWcaeWKF45+NcCxkNjCI/Iz3Vt XvGjCpLxC3hTK5NL9Vpf9zNCevbtlzYA1n1fqtuZsF/q0SkuCle0+LbDSeTtaitoau+o A4q/IVSf+cXN5tDRsN6K+7z9o78VTOgxjASvPExbZlhpn7P3Bn8teoE6AO0kvDsLaOgt lmw9+zKJWFGPmOyg85ZUFXALO0hUPjhYwhi0NM2iajqnMuNYfR/LRDo023Cg8wDk2X+O 1m2/WsnB/l8YQ7n3NtFOjbfM0l6f2yCxsNu2l2WYxEeXt847pbOIgjkha1MzsD6dwcco rPQQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=5Ecw2v/7sJWWbjDq3WJP55wjT6CTt1W28tsRHnE8O4o=; b=TEg3fEHDso13Rg9wNfmsJbV2ZeuC3jhpl1zHb2LD995shIwedm+tB0u+qhgOjfEBtU A55xSFkzEz/0L1GzfQ7fNMv7kEkjS80SntiS0cemuo10JHeYlMmutdkA0D7/nviKzqb6 2YszpnhxEGdoCF5IHf5XOsnB3Wi0wW0vyB28m8cbmiADv0Vysdcpx6nvPxcZnckyUMNX E4dXYuoxOGq4qQ1WLCiFNAb8OB+i+rWo57INyWNzmc5o3qcYjJUtixDWu/7NGkeF7beK DTdJGrXxBUL7t+PD0/Bvn37Y+wwcCItvP8yK+e1Mgkd/hjp0nCQm3bJjNwU0hztfPR2h eMpA== X-Gm-Message-State: AOAM530My0HnGBp5Csl4T+sWzZYLVd9DlBDmehUawOFrDwAfKaALTIZD l8VFTj9lRo71XFLKR5Xsa4HcK+zM62A= X-Google-Smtp-Source: ABdhPJyQs2ovCBp7Z22B/uO+SVqUPrN1oCUQwzzVBW+swp08Nv0nInAmc4/6G5gnOGMm1VlI8P4c+w== X-Received: by 2002:a05:622a:1703:b0:2e1:c663:27aa with SMTP id h3-20020a05622a170300b002e1c66327aamr26343742qtk.112.1648550364904; Tue, 29 Mar 2022 03:39:24 -0700 (PDT) Received: from localhost.localdomain ([193.203.214.57]) by smtp.gmail.com with ESMTPSA id c11-20020a05620a134b00b006809a92a94fsm9137873qkl.79.2022.03.29.03.39.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 29 Mar 2022 03:39:24 -0700 (PDT) From: cgel.zte@gmail.com X-Google-Original-From: lv.ruyi@zte.com.cn To: brendanhiggins@google.com Cc: linux-kselftest@vger.kernel.org, kunit-dev@googlegroups.com, linux-kernel@vger.kernel.org, Lv Ruyi , Zeal Robot Subject: [PATCH] kunit: tool: add null pointer check Date: Tue, 29 Mar 2022 10:39:19 +0000 Message-Id: <20220329103919.2376818-1-lv.ruyi@zte.com.cn> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org From: Lv Ruyi kmalloc and kcalloc is a memory allocation function which can return NULL when some internal memory errors happen. Add null pointer check to avoid dereferencing null pointer. Reported-by: Zeal Robot Signed-off-by: Lv Ruyi --- lib/kunit/executor.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/lib/kunit/executor.c b/lib/kunit/executor.c index 22640c9ee819..be21d0451367 100644 --- a/lib/kunit/executor.c +++ b/lib/kunit/executor.c @@ -71,9 +71,13 @@ kunit_filter_tests(struct kunit_suite *const suite, const char *test_glob) /* Use memcpy to workaround copy->name being const. */ copy = kmalloc(sizeof(*copy), GFP_KERNEL); + if (!copy) + return NULL; memcpy(copy, suite, sizeof(*copy)); filtered = kcalloc(n + 1, sizeof(*filtered), GFP_KERNEL); + if (!filtered) + return NULL; n = 0; kunit_suite_for_each_test_case(suite, test_case) {