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=-3.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=no 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 C7D01C11D3D for ; Thu, 27 Feb 2020 19:36:10 +0000 (UTC) Received: from mother.openwall.net (mother.openwall.net [195.42.179.200]) by mail.kernel.org (Postfix) with SMTP id 2458D222C2 for ; Thu, 27 Feb 2020 19:36:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="GqYMFX/u" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2458D222C2 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=chromium.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kernel-hardening-return-17987-kernel-hardening=archiver.kernel.org@lists.openwall.com Received: (qmail 1830 invoked by uid 550); 27 Feb 2020 19:35:39 -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 1709 invoked from network); 27 Feb 2020 19:35:36 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=AoE4OLd/IvDA6cmd9pXDgHl19RWwO6y4VAoz5pE6b4E=; b=GqYMFX/utzgItiW5PidQ11FE+lHI8vpi1sL09gpDitITyGvoCdgVofeyaea3HY9ipQ kI+V9aywVW0+oZ0T24u4PDmPMEExxMztSr66kCLpV0ML6Fdn0mDsyT0Mh3zdLeUDarW0 cp8p5I5qVxBR8ULIBUY4ZLMoXbzGtmBCuNhWY= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=AoE4OLd/IvDA6cmd9pXDgHl19RWwO6y4VAoz5pE6b4E=; b=pULRWT7cFzbBueBB28FLw6HbqvIAzLPkYKIpg1DAluLQJftILeEarCiaX7x5NMBFAR gsE66WECBhSRuns8LYelzT6PEbpRcvjxXBBEXQGP+kFD/BvFeWxlt3VWHx/Q2C2hgRBA 0qdHV78zcWc1a9uUi7KJDItOVpeoe3z90aHs7kYXnCX7xErIvGRti/vjjo05xcdkOwXM I4s3QyHz+bAM8hHr8IJDbtxUEbafS3//g9aNpN9tJL/ZteC132wwgpsI7cexSlrGzlR+ U3lz/qBdbol1jRArICqTav8EoPV5t9q4XNEfu+Ug0bgpe8C/e9viYAMh6H98YcK9q2C2 6a3Q== X-Gm-Message-State: APjAAAWbfodz62HRuO5iQtEVFwOtCMa5RoRtwNel+qDlVizkChGVLMuw dgSlDFMmQW9XtdmbRFSnMJpRYA== X-Google-Smtp-Source: APXvYqyHH1OhEaAU0M9XGqSIh9GqdH9ygv+RYA1KOJ+P5VFzMpUGg9ipEsHxlmsPcfBpV6cJtwqGHg== X-Received: by 2002:a17:90b:8ce:: with SMTP id ds14mr584791pjb.70.1582832124805; Thu, 27 Feb 2020 11:35:24 -0800 (PST) From: Kees Cook To: Andrew Morton Cc: Kees Cook , Andrey Ryabinin , Elena Petrova , Andrey Konovalov , Alexander Potapenko , Dan Carpenter , "Gustavo A. R. Silva" , Arnd Bergmann , Ard Biesheuvel , kasan-dev@googlegroups.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, kernel-hardening@lists.openwall.com, syzkaller@googlegroups.com Subject: [PATCH v5 0/6] ubsan: Split out bounds checker Date: Thu, 27 Feb 2020 11:35:10 -0800 Message-Id: <20200227193516.32566-1-keescook@chromium.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Argh, v4 missed uncommitted changes. v5 brown paper bag release! :) This splits out the bounds checker so it can be individually used. This is enabled in Android and hopefully for syzbot. Includes LKDTM tests for behavioral corner-cases (beyond just the bounds checker), and adjusts ubsan and kasan slightly for correct panic handling. -Kees v5: - _actually_ use hyphenated bug class names (andreyknvl) v4: https://lore.kernel.org/lkml/20200227184921.30215-1-keescook@chromium.org v3: https://lore.kernel.org/lkml/20200116012321.26254-1-keescook@chromium.org v2: https://lore.kernel.org/lkml/20191121181519.28637-1-keescook@chromium.org v1: https://lore.kernel.org/lkml/20191120010636.27368-1-keescook@chromium.org Kees Cook (6): ubsan: Add trap instrumentation option ubsan: Split "bounds" checker from other options lkdtm/bugs: Add arithmetic overflow and array bounds checks ubsan: Check panic_on_warn kasan: Unset panic_on_warn before calling panic() ubsan: Include bug type in report header drivers/misc/lkdtm/bugs.c | 75 ++++++++++++++++++++++++++++++++++++++ drivers/misc/lkdtm/core.c | 3 ++ drivers/misc/lkdtm/lkdtm.h | 3 ++ lib/Kconfig.ubsan | 49 +++++++++++++++++++++---- lib/Makefile | 2 + lib/ubsan.c | 47 +++++++++++++----------- mm/kasan/report.c | 10 ++++- scripts/Makefile.ubsan | 16 ++++++-- 8 files changed, 172 insertions(+), 33 deletions(-) -- 2.20.1