From nobody Sat May 18 08:14:13 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) client-ip=66.175.222.108; envelope-from=bounce+27952+107273+1787277+3901457@groups.io; helo=mail02.groups.io; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce+27952+107273+1787277+3901457@groups.io; dmarc=fail(p=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1690385941; cv=none; d=zohomail.com; s=zohoarc; b=OdtHmoEFtLwzEm2fjGXBAwg2KjnvApKytSxQJd9pnOTcQkdf1GduVjYXvCNWqq/DmM9zPA9w5WPmkCQMLoS7pSK93W29IW2sfAPoDPGVHhgaUMGSY9/uzu4q8iTSOKI3xAD81aklTo+dPzds8t8LB+WPjEzAF5eQSJof/h2N+pc= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1690385941; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:References:Sender:Subject:To; bh=u2aaShhB9cqZBrV69ZuI773PZ4ZMKBJ3m0+VSSzR6VQ=; b=Gg/yCHmvcp5Ww8tlxKAhwZthHlv0V2Ck+wGC9sHtfHzxP5KwG0cYR5llJb48f5/3DkVUBxlkIht0g5aDeD+nyWJwTwF2I3ZvvEJ1v3q3faTgF7WdiJ9/EuoWoBHLRwTWr2shsZOk91/ZO0GTaCxVTIv+D3gpl/0+nRRQ9FYiEtk= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce+27952+107273+1787277+3901457@groups.io; dmarc=fail header.from= (p=none dis=none) Received: from mail02.groups.io (mail02.groups.io [66.175.222.108]) by mx.zohomail.com with SMTPS id 1690385941094718.5040219362338; Wed, 26 Jul 2023 08:39:01 -0700 (PDT) Return-Path: DKIM-Signature: a=rsa-sha256; bh=2F/JmCSWkiF7peVpP3ZkwApE0/lZKI7oVNHI6aYxols=; c=relaxed/simple; d=groups.io; h=X-Received:X-Received:X-IronPort-AV:X-IronPort-AV:X-Received:X-ExtLoop1:X-IronPort-AV:X-IronPort-AV:X-Received:From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References:MIME-Version:Precedence:List-Subscribe:List-Help:Sender:List-Id:Mailing-List:Delivered-To:Reply-To:List-Unsubscribe-Post:List-Unsubscribe:X-Gm-Message-State:Content-Transfer-Encoding; s=20140610; t=1690385940; v=1; b=jjSvPskfhDrTNDJuXKo1qrCF7ru3fUVySQHN9g+sW70BoFhHnqyB4ZMqGNIJSCshxbeeGfcr K9GElVRIxi30kICakuvj/wE3dM9mdzfOv1SCQmmgR3YrIJt0VEna4/IRtvZe0eGsl24dNeTLOku 8YaJ8n3BzW9DeX6taIokx2qU= X-Received: by 127.0.0.2 with SMTP id VMY8YY1788612xoyA5diGApn; Wed, 26 Jul 2023 08:39:00 -0700 X-Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by mx.groups.io with SMTP id smtpd.web11.14319.1690385936837922447 for ; Wed, 26 Jul 2023 08:39:00 -0700 X-IronPort-AV: E=McAfee;i="6600,9927,10783"; a="371663993" X-IronPort-AV: E=Sophos;i="6.01,232,1684825200"; d="scan'208";a="371663993" X-Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Jul 2023 08:39:00 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10783"; a="816734826" X-IronPort-AV: E=Sophos;i="6.01,232,1684825200"; d="scan'208";a="816734826" X-Received: from njayapra-mobl.gar.corp.intel.com ([10.213.71.85]) by fmsmga003-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Jul 2023 08:38:57 -0700 From: "Jayaprakash, N" To: devel@edk2.groups.io Cc: Jayaprakash N , Rebecca Cran , Michael D Kinney , Kloper Dimitry Subject: [edk2-devel] [edk2-libc Patch v2 1/1] edk2-libc/StdLib: Fix uninitialized global variable Date: Wed, 26 Jul 2023 21:08:48 +0530 Message-Id: <20230726153848.1584-2-n.jayaprakash@intel.com> In-Reply-To: <20230726153848.1584-1-n.jayaprakash@intel.com> References: <20230726153848.1584-1-n.jayaprakash@intel.com> MIME-Version: 1.0 Precedence: Bulk List-Subscribe: List-Help: Sender: devel@edk2.groups.io List-Id: Mailing-List: list devel@edk2.groups.io; contact devel+owner@edk2.groups.io Reply-To: devel@edk2.groups.io,n.jayaprakash@intel.com List-Unsubscribe-Post: List-Unsubscribe=One-Click List-Unsubscribe: X-Gm-Message-State: 2ekL3HKJcKM5xFoGQ1KAADa1x1787277AA= Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @groups.io) X-ZM-MESSAGEID: 1690385942116100007 Content-Type: text/plain; charset="utf-8" REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3D4506 res_init() is called from different places in sockets library. It depends on global _res variable containing a state. The problem is that if __BIND_RES_TEXT macro is not defined, _res is not initialized. Depending on compiler and build optimization this can fill the variable with garbage that is later used by res_init(). Fix is trivial - explicitly initialize _res. Cc: Rebecca Cran Cc: Michael D Kinney Cc: Jayaprakash N Signed-off-by: Kloper Dimitry --- StdLib/BsdSocketLib/res_init.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/StdLib/BsdSocketLib/res_init.c b/StdLib/BsdSocketLib/res_init.c index 613a76a..9df7d4f 100644 --- a/StdLib/BsdSocketLib/res_init.c +++ b/StdLib/BsdSocketLib/res_init.c @@ -121,9 +121,11 @@ static u_int32_t net_mask __P((struct in_addr)); */ =20 struct __res_state _res -# if defined(__BIND_RES_TEXT) +#if defined(__BIND_RES_TEXT) =3D { RES_TIMEOUT, } /* Motorola, et al. */ -# endif +#else + =3D {0} +#endif ; =20 =20 --=20 2.40.0.windows.1 -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- Groups.io Links: You receive all messages sent to this group. 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