From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 5459 invoked by alias); 2 Dec 2012 05:38:38 -0000 Received: (qmail 3623 invoked by uid 48); 2 Dec 2012 05:38:14 -0000 From: "howarth at nitro dot med.uc.edu" To: gcc-bugs@gcc.gnu.org Subject: [Bug sanitizer/55521] many instances of ASAN:SIGSEGV failures in g++ testsuite with -fsanitize=address Date: Sun, 02 Dec 2012 05:38:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: sanitizer X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: howarth at nitro dot med.uc.edu X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2012-12/txt/msg00071.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55521 --- Comment #16 from Jack Howarth 2012-12-02 05:38:09 UTC --- Using mac function interposition on x86_64-apple-darwin12 produces only 8 remaining g++ testsuite failures emitting ASAN:SIGSEGV messages compared to 10 seen in the g++ testsuite under x86_64 Fedora 15. Also on x86_64-apple-darwin12, the switch from mach_override to mac function interposition reduces the unexpected failures in the g++ testsuite from 841 to 323. This is still far more than seen under x86_64 Fedora 15 (which shows 107) but still is a major improvement over mach_override.