From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 2206) id 197E23858D28; Mon, 31 Jan 2022 14:29:05 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 197E23858D28 Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Siddhesh Poyarekar To: glibc-cvs@sourceware.org Subject: [glibc] Mention _FORTIFY_SOURCE=3 for gcc12 in NEWS X-Act-Checkin: glibc X-Git-Author: Siddhesh Poyarekar X-Git-Refname: refs/heads/master X-Git-Oldrev: 3a7bed5f5a527dbd87412551f41e42e63aeef07a X-Git-Newrev: 829ea0caca35800c4ffbebced7c3271293811144 Message-Id: <20220131142905.197E23858D28@sourceware.org> Date: Mon, 31 Jan 2022 14:29:05 +0000 (GMT) X-BeenThere: glibc-cvs@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Glibc-cvs mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 31 Jan 2022 14:29:05 -0000 https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=829ea0caca35800c4ffbebced7c3271293811144 commit 829ea0caca35800c4ffbebced7c3271293811144 Author: Siddhesh Poyarekar Date: Thu Jan 27 14:33:49 2022 +0530 Mention _FORTIFY_SOURCE=3 for gcc12 in NEWS Signed-off-by: Siddhesh Poyarekar Diff: --- NEWS | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/NEWS b/NEWS index 6599f1a4c3..61acf41e66 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