From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 24664 invoked by alias); 10 Dec 2012 12:47:20 -0000 Received: (qmail 24190 invoked by uid 48); 10 Dec 2012 12:46:58 -0000 From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug sanitizer/55561] TSAN crashes for Fortran Date: Mon, 10 Dec 2012 12:47:00 -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: pinskia at gcc dot gnu.org 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/msg00971.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55561 --- Comment #8 from Andrew Pinski 2012-12-10 12:46:56 UTC --- (In reply to comment #7) > Now, compilation seems to go fine, but I'm not figuring out how to do it > properly so it works at run time. I have: > > > gfortran -g -fsanitize=thread -fPIE PR55561.f90 > > ./a.out > FATAL: ThreadSanitizer can not mmap the shadow memory (something is mapped at > 0x400000 < 0x7cf000000000) > FATAL: Make sure to compile with -fPIE and to link with -pie. > > next try yields > > > gfortran -g -fsanitize=thread -fPIC -Wl,-pie PR55561.f90 Try: gfortran -g -fsanitize=thread -fPIC -pie PR55561.f90 The driver changes the startup files when -pie is passed.