From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ot1-x332.google.com (mail-ot1-x332.google.com [IPv6:2607:f8b0:4864:20::332]) by sourceware.org (Postfix) with ESMTPS id BD80C3858404 for ; Tue, 23 Nov 2021 15:37:50 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org BD80C3858404 Received: by mail-ot1-x332.google.com with SMTP id r10-20020a056830080a00b0055c8fd2cebdso34346629ots.6 for ; Tue, 23 Nov 2021 07:37:50 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=+K8EQ9S1QvF0cab/WfVhi1xTcdsv096MWGPiTwBINtQ=; b=r5X57pc0JoZYRgg8JoWiuBlJ1LDuf4m3b0yQqpTHe+w987HaiyeTmx3HT2TUvmgYM/ l8Ig2B8ghCajuTpsAzeYTnKJDhu7rwSq0FIPWcIru+EUNIZ3odhMgRGi/4P5bqu19Hrc mYh71NZccE8Fc20Ba2IWiesGzAqsgUms9iNmlc4cKwalQlZgI5IkvKzcK4qC66BTvUQv ZZ3mkbTtjnj6Sl5egYd/BJcA0uhOkcL3vNGDoA1vbLM5lowQSssm+sTyb2o+C4CD8xTZ zqMddzkwjp5g/deCwMdiTOyyZ0w6s8i27Cyao5lAq2EsMYl2qoyFaRYJ15xnKXOrc6tW d8Ug== X-Gm-Message-State: AOAM531/js8Y6fmzcagitEnZwRYaLxMPI9PNBjcybEm8u3NPwfkSQC7/ hGEk4HiQQrUnkMxAjp8lqXyl1tblpOvJHPFddWXddg== X-Google-Smtp-Source: ABdhPJywbRxZ3h9vzPz1+P1ax7KQu/i+F+nGZ+nt8am4jSv4Kjc04KzLJ+YOlBcIXfpcndd7pfuofa4stkUN6f4R5FU= X-Received: by 2002:a05:6830:2425:: with SMTP id k5mr5284764ots.319.1637681869861; Tue, 23 Nov 2021 07:37:49 -0800 (PST) MIME-Version: 1.0 References: <8735nnt22a.fsf@oldenburg.str.redhat.com> <87y25frn0k.fsf@oldenburg.str.redhat.com> In-Reply-To: <87y25frn0k.fsf@oldenburg.str.redhat.com> From: Dmitry Vyukov Date: Tue, 23 Nov 2021 16:37:38 +0100 Message-ID: Subject: Re: New ThreadSanitizer runtime (v3) To: Florian Weimer Cc: Dmitry Vyukov via Gcc , ro@gcc.gnu.org, Jakub Jelinek , =?UTF-8?Q?Martin_Li=C5=A1ka?= , Marco Elver Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-17.9 required=5.0 tests=BAYES_00, DKIMWL_WL_MED, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, ENV_AND_HDR_SPF_MATCH, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP, USER_IN_DEF_DKIM_WL, USER_IN_DEF_SPF_WL 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 15:37:52 -0000 On Tue, 23 Nov 2021 at 14:59, Florian Weimer wrote: > > * 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). I don't remember any such open issues.