From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 24CBAC432C0 for ; Thu, 28 Nov 2019 16:15:00 +0000 (UTC) Received: from mother.openwall.net (mother.openwall.net [195.42.179.200]) by mail.kernel.org (Postfix) with SMTP id 736F6217BC for ; Thu, 28 Nov 2019 16:14:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lca.pw header.i=@lca.pw header.b="GE+oxFtg" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 736F6217BC Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lca.pw Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kernel-hardening-return-17447-kernel-hardening=archiver.kernel.org@lists.openwall.com Received: (qmail 11849 invoked by uid 550); 28 Nov 2019 16:14:52 -0000 Mailing-List: contact kernel-hardening-help@lists.openwall.com; run by ezmlm Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-ID: Received: (qmail 11815 invoked from network); 28 Nov 2019 16:14:51 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lca.pw; s=google; h=content-transfer-encoding:from:mime-version:subject:date:message-id :references:cc:in-reply-to:to; bh=swAWjg0mWyZStjQq/JoheoQkEGMMdPmGAhVcEaoY9Xg=; b=GE+oxFtgNAcg6ATJOcfNRJ0lYQnf+CYQZpnNvAGWVvLlUMMm1ZBE0v2LoaG8Sv5gVx TQ7KDT/FmW8ULozZHKpdmQCCD7H87rs5XpLvQ0OJoUtrmEczrh0XUs1KkB5FAKUbeJ4m l31UyKZ7ZQYOb/TXZS07ah9oVgMfi/Wr1JngN75TOCq2pVOlbqGsj5MrAMyRANP21c65 0mV3BniwOvi1nuc4BbZU9lw6T/7WQQKPBQsgKyDIgLG01XYKRCPpJfubIv4/CXCYceyb QpaybOq3bVONNtF/zn42GQcvuabSgrhPbVD50XQ/BHBf/MHV/875GCgDLLK4SHhAWzjI 26aQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:content-transfer-encoding:from:mime-version :subject:date:message-id:references:cc:in-reply-to:to; bh=swAWjg0mWyZStjQq/JoheoQkEGMMdPmGAhVcEaoY9Xg=; b=LWvsMAbLNYo1Ioa8c0PkK2aVSPJEZlmXTFXJxIUcUCwVA34+9sJ6iiL1wzg7BSieQ6 PaFOKUZDQKDyaokUR+DI6mOxFu2V/B1xEjy/yGY4GYyKk3fYGSwN1aqnWk9DL7jSDWE+ SWOCce/VD6RFwKVWDu2ZUaqXP5pzqtEEWLK3gpiRNcS4KDxmZr5ZR3fS5XJW/M7OEY/m kNj2dn/zR/fCG2l7Gq8bDRwX7m/nG5PozbuVZ6SlzIE6Gxe3RHvhTxCm8JHUraU23jVF mwqGF5o8yYCzpXNFVK8wvhDGAnM8TkH5GG1Wt4PWyC0jKMxy4eyw+1DQvlQmeWlJXhmI FOMw== X-Gm-Message-State: APjAAAXiVGflCp45HuNWXT6uH3IMFA/WPUxWMESspar7dZ8Di5JsPPQz SAJrTYYJK3WZOLlKiEZpTsfUyw== X-Google-Smtp-Source: APXvYqwmn1ld2Vuf1VCvbx1/sMMTG95qkXhxsIXLZuBxGTgd524dbZVKZj5tWKroDxg56BukvcLyAA== X-Received: by 2002:a05:620a:13cf:: with SMTP id g15mr10594494qkl.195.1574957679840; Thu, 28 Nov 2019 08:14:39 -0800 (PST) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable From: Qian Cai Mime-Version: 1.0 (1.0) Subject: Re: [PATCH v2 0/3] ubsan: Split out bounds checker Date: Thu, 28 Nov 2019 11:14:38 -0500 Message-Id: <4B3C1889-DE01-43A5-B0BD-0CFC33A5315A@lca.pw> References: Cc: Kees Cook , Andrew Morton , Andrey Ryabinin , Elena Petrova , Alexander Potapenko , Linus Torvalds , Dan Carpenter , "Gustavo A. R. Silva" , Arnd Bergmann , Ard Biesheuvel , kasan-dev , LKML , kernel-hardening@lists.openwall.com, syzkaller In-Reply-To: To: Dmitry Vyukov X-Mailer: iPhone Mail (17A878) > On Nov 28, 2019, at 5:39 AM, 'Dmitry Vyukov' via kasan-dev wrote: >=20 > But also LOCKDEP, KMEMLEAK, ODEBUG, FAULT_INJECTS, etc, all untested > too. Nobody knows what they produce, and if they even still detect > bugs, report false positives, etc. > But that's the kernel testing story... Yes, those work except PROVE_LOCKING where there are existing potential dead= locks are almost impossible to fix them properly now. I have been running th= ose for linux-next daily with all those debugging on where you can borrow th= e configs etc. https://github.com/cailca/linux-mm=