From patchwork Thu Jan 27 07:24:29 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Siddhesh Poyarekar X-Patchwork-Id: 50478 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 E958D3947410 for ; Thu, 27 Jan 2022 07:25:09 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org E958D3947410 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1643268309; bh=WNEPZkTmDzjTAVbyVWzM1YRlaJuDEnIIeqD5xY0E7Tw=; h=To:Subject:Date:In-Reply-To:References:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To: From; b=McBhz6atJwZp35m8Gsxdvq2rev4z1JrzuJ1ldvAr+CGxePC5RtfsCkp8BkhlK/14h VOd/kZHQZUEsH79LujWCc25m6ELkfRUoJV5MbpEudFg1eVCSliFbX82JjTL0aZdXbO MVfOP7Li4oEpMOuwbjRyr6pphJziXHJwH9qThUmI= X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from butterfly.birch.relay.mailchannels.net (butterfly.birch.relay.mailchannels.net [23.83.209.27]) by sourceware.org (Postfix) with ESMTPS id 3223A3858D1E for ; Thu, 27 Jan 2022 07:24:47 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 3223A3858D1E X-Sender-Id: dreamhost|x-authsender|siddhesh@gotplt.org Received: from relay.mailchannels.net (localhost [127.0.0.1]) by relay.mailchannels.net (Postfix) with ESMTP id 9440F880D99; Thu, 27 Jan 2022 07:24:43 +0000 (UTC) Received: from pdx1-sub0-mail-a304.dreamhost.com (unknown [127.0.0.6]) (Authenticated sender: dreamhost) by relay.mailchannels.net (Postfix) with ESMTPA id DA12488184A; Thu, 27 Jan 2022 07:24:42 +0000 (UTC) X-Sender-Id: dreamhost|x-authsender|siddhesh@gotplt.org Received: from pdx1-sub0-mail-a304.dreamhost.com (pop.dreamhost.com [64.90.62.162]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384) by 100.114.196.241 (trex/6.4.3); Thu, 27 Jan 2022 07:24:43 +0000 X-MC-Relay: Neutral X-MailChannels-SenderId: dreamhost|x-authsender|siddhesh@gotplt.org X-MailChannels-Auth-Id: dreamhost X-Tart-Plucky: 4944e5780f9decec_1643268283478_26500204 X-MC-Loop-Signature: 1643268283478:1198764208 X-MC-Ingress-Time: 1643268283478 Received: from rhbox.redhat.com (unknown [1.186.122.50]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: siddhesh@gotplt.org) by pdx1-sub0-mail-a304.dreamhost.com (Postfix) with ESMTPSA id 4JksY5053Xz2w; Wed, 26 Jan 2022 23:24:40 -0800 (PST) To: libc-alpha@sourceware.org Subject: [PATCH v2] Mention _FORTIFY_SOURCE=3 for gcc12 in NEWS Date: Thu, 27 Jan 2022 12:54:29 +0530 Message-Id: <20220127072429.1174118-1-siddhesh@sourceware.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <241a1e71-1749-7ec2-4a12-9cf9e4864f8d@redhat.com> References: <241a1e71-1749-7ec2-4a12-9cf9e4864f8d@redhat.com> MIME-Version: 1.0 X-Spam-Status: No, score=-3494.4 required=5.0 tests=BAYES_00, GIT_PATCH_0, JMQ_SPF_NEUTRAL, KAM_DMARC_NONE, KAM_DMARC_STATUS, RCVD_IN_BARRACUDACENTRAL, RCVD_IN_DNSWL_NONE, RCVD_IN_SBL, SPF_HELO_NONE, SPF_NEUTRAL, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) 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: Siddhesh Poyarekar via Libc-alpha From: Siddhesh Poyarekar Reply-To: Siddhesh Poyarekar Errors-To: libc-alpha-bounces+patchwork=sourceware.org@sourceware.org Sender: "Libc-alpha" Signed-off-by: Siddhesh Poyarekar --- NEWS | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/NEWS b/NEWS index a9f25d3225..543ade2758 100644 --- a/NEWS +++ b/NEWS @@ -134,6 +134,11 @@ Major new features: controlling terminal in the new process in a race free manner. These functions are GNU extensions. +* Source fortification (_FORTIFY_SOURCE) level 3 is now available for + applications compiling with glibc and gcc 12 and later. Level 3 leverages + __builtin_dynamic_object_size() to deliver additional fortification balanced + against additional runtime cost (checking non-constant bounds). + Deprecated and removed features, and other changes affecting compatibility: * On x86-64, the LD_PREFER_MAP_32BIT_EXEC environment variable support