From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by sourceware.org (Postfix) with ESMTPS id 473DA385801F for ; Tue, 23 Nov 2021 13:59:32 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 473DA385801F Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-122-iOjp9cloMFOFiyjcEQNBiQ-1; Tue, 23 Nov 2021 08:59:29 -0500 X-MC-Unique: iOjp9cloMFOFiyjcEQNBiQ-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id C3C111006AA2; Tue, 23 Nov 2021 13:59:27 +0000 (UTC) Received: from oldenburg.str.redhat.com (unknown [10.39.192.29]) by smtp.corp.redhat.com (Postfix) with ESMTPS id B5FD65C1D5; Tue, 23 Nov 2021 13:59:25 +0000 (UTC) From: Florian Weimer To: Dmitry Vyukov Cc: Dmitry Vyukov via Gcc , ro@gcc.gnu.org, Jakub Jelinek , Martin =?utf-8?Q?Li=C5=A1ka?= , Marco Elver Subject: Re: New ThreadSanitizer runtime (v3) References: <8735nnt22a.fsf@oldenburg.str.redhat.com> Date: Tue, 23 Nov 2021 14:59:23 +0100 In-Reply-To: (Dmitry Vyukov's message of "Tue, 23 Nov 2021 14:51:40 +0100") Message-ID: <87y25frn0k.fsf@oldenburg.str.redhat.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain X-Spam-Status: No, score=-6.6 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H2, SPF_HELO_NONE, SPF_NONE, TXREP autolearn=unavailable autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: gcc@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 23 Nov 2021 13:59:34 -0000 * Dmitry Vyukov: > Or what kind of integration do you mean? Tsan did not have any direct > integration and worked with unmodified glibc. I thought there is a false-positive data race report if an initial-exec or local-exec TLS variable is reused (whose memory is not managed by malloc). Thanks, Florian