From patchwork Wed May 25 21:02:31 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sunil Pandey X-Patchwork-Id: 54392 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id AB4163830675 for ; Wed, 25 May 2022 21:02:59 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org AB4163830675 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1653512579; bh=DF3EV0C+ItseV0Ipqp5yPP7DTBWIo+X2kdWSILyIKJ8=; h=To:Subject:Date:List-Id:List-Unsubscribe:List-Archive:List-Post: List-Help:List-Subscribe:From:Reply-To:From; b=tPZYho+OoC3yShuCrcK+iCRFfuAzjT+nL5miSNgddfIpB28V7V/CnCpKnrfaOFs4c sQ1xkV7kOUkc2DktpVofm9DrKTvMiBxy7ZYSctU34nDLTa8l6cdmFDC4vucLvEEc7b BLPiIYIGM6rc773+TdeIsyEziAKchnl5Geu3xFtg= X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by sourceware.org (Postfix) with ESMTPS id 55A5F3830679 for ; Wed, 25 May 2022 21:02:37 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 55A5F3830679 X-IronPort-AV: E=McAfee;i="6400,9594,10358"; a="255998757" X-IronPort-AV: E=Sophos;i="5.91,252,1647327600"; d="scan'208";a="255998757" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 May 2022 14:02:32 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.91,252,1647327600"; d="scan'208";a="609371584" Received: from scymds01.sc.intel.com ([10.148.94.138]) by orsmga001.jf.intel.com with ESMTP; 25 May 2022 14:02:32 -0700 Received: from gskx-1.sc.intel.com (gskx-1.sc.intel.com [172.25.149.211]) by scymds01.sc.intel.com with ESMTP id 24PL2Wfv027092; Wed, 25 May 2022 14:02:32 -0700 To: libc-alpha@sourceware.org Subject: [PATCH] String: Improve overflow test coverage for strnlen Date: Wed, 25 May 2022 14:02:31 -0700 Message-Id: <20220525210231.2023728-1-skpgkp2@gmail.com> X-Mailer: git-send-email 2.35.3 MIME-Version: 1.0 X-Spam-Status: No, score=-6.7 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, FORGED_GMAIL_RCVD, FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM, GIT_PATCH_0, HK_RANDOM_ENVFROM, HK_RANDOM_FROM, KAM_DMARC_NONE, KAM_DMARC_STATUS, NML_ADSP_CUSTOM_MED, SPF_HELO_NONE, SPF_SOFTFAIL, SPOOFED_FREEMAIL, SPOOF_GMAIL_MID, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Sunil K Pandey via Libc-alpha From: Sunil Pandey Reply-To: Sunil K Pandey Errors-To: libc-alpha-bounces+patchwork=sourceware.org@sourceware.org Sender: "Libc-alpha" This patch adds more overflow test coverage for strnlen and wcsnlen. Reviewed-by: H.J. Lu --- string/test-strnlen.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/string/test-strnlen.c b/string/test-strnlen.c index 83c4502b9a..4a9375112a 100644 --- a/string/test-strnlen.c +++ b/string/test-strnlen.c @@ -96,6 +96,8 @@ do_overflow_tests (void) for (i = 0; i < 750; ++i) { + do_test (1, i, SIZE_MAX, BIG_CHAR); + do_test (0, i, SIZE_MAX - i, BIG_CHAR); do_test (0, i, i - buf_addr, BIG_CHAR); do_test (0, i, -buf_addr - i, BIG_CHAR);