From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 27941 invoked by alias); 6 Dec 2013 18:03:41 -0000 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 Received: (qmail 27879 invoked by uid 48); 6 Dec 2013 18:03:36 -0000 From: "hjl.tools at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug sanitizer/59410] tsan tests fail with address randomization disabled Date: Fri, 06 Dec 2013 18:03:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: sanitizer X-Bugzilla-Version: 4.9.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: hjl.tools at gmail dot com X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2013-12/txt/msg00548.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59410 --- Comment #21 from H.J. Lu --- (In reply to Kostya Serebryany from comment #20) > > > > > > # readelf -lW a.out > > > > Your address must be sensible. Otherwise kernel will ignore it. > > Please try "-Ttext-segment 0x855555000000". > > How is 0x855555000000 censible if it's beyond the address space? > (Or I miss something?) > > Anyway, here is an experiment that proves that on my box > -Ttext-segment is ignored if ASLR is off. > > That is true. The kernel change was made to fix: https://bugzilla.kernel.org/show_bug.cgi?id=36372