From patchwork Thu Jan 27 09:04:57 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Siddhesh Poyarekar X-Patchwork-Id: 50480 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 C12033946C36 for ; Thu, 27 Jan 2022 09:05:38 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org C12033946C36 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1643274338; bh=wAU8JyVGBJXMk689E9AADNzFDOwFT/PwGcLH5/Tx4As=; h=To:Subject:Date:In-Reply-To:References:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:Cc: From; b=QYre3rQMfPnNfvH4EwxRDysWAyKAugRB715OKDlMkPgKh0NTaETD1ZJOEub1vDtaR it8OnxkpCUlAAPgZDBy3TUgBkssHnvm2nlymCKthsDYZqMf0Hqnal9uLz+0aNCHe/W JZcp0Tc7i0mbnykaPmAbMoEFTMc2E3eKMyno+SrA= X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from olivedrab.birch.relay.mailchannels.net (olivedrab.birch.relay.mailchannels.net [23.83.209.135]) by sourceware.org (Postfix) with ESMTPS id 8C9EE3858D1E for ; Thu, 27 Jan 2022 09:05:17 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 8C9EE3858D1E 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 DBD6562161C; Thu, 27 Jan 2022 09:05:15 +0000 (UTC) Received: from pdx1-sub0-mail-a305.dreamhost.com (unknown [127.0.0.6]) (Authenticated sender: dreamhost) by relay.mailchannels.net (Postfix) with ESMTPA id 238096215E3; Thu, 27 Jan 2022 09:05:15 +0000 (UTC) X-Sender-Id: dreamhost|x-authsender|siddhesh@gotplt.org Received: from pdx1-sub0-mail-a305.dreamhost.com (pop.dreamhost.com [64.90.62.162]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384) by 100.106.113.27 (trex/6.4.3); Thu, 27 Jan 2022 09:05:15 +0000 X-MC-Relay: Neutral X-MailChannels-SenderId: dreamhost|x-authsender|siddhesh@gotplt.org X-MailChannels-Auth-Id: dreamhost X-Fearful-Relation: 0d0cd4812d95b622_1643274315799_946508153 X-MC-Loop-Signature: 1643274315798:685252784 X-MC-Ingress-Time: 1643274315798 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-a305.dreamhost.com (Postfix) with ESMTPSA id 4Jkvn53yJJzZN; Thu, 27 Jan 2022 01:05:13 -0800 (PST) To: libc-alpha@sourceware.org Subject: [PATCH v3] Mention _FORTIFY_SOURCE=3 for gcc12 in NEWS Date: Thu, 27 Jan 2022 14:34:57 +0530 Message-Id: <20220127090457.1175254-1-siddhesh@sourceware.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <871r0tv9wq.fsf@igel.home> References: <871r0tv9wq.fsf@igel.home> 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 Cc: Andreas Schwab Errors-To: libc-alpha-bounces+patchwork=sourceware.org@sourceware.org Sender: "Libc-alpha" Signed-off-by: Siddhesh Poyarekar --- NEWS | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/NEWS b/NEWS index a9f25d3225..02331f0f02 100644 --- a/NEWS +++ b/NEWS @@ -134,6 +134,12 @@ 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 + the __builtin_dynamic_object_size function 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