From nobody Wed Apr 8 02:48:29 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 90F71C00140 for ; Wed, 24 Aug 2022 04:19:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234662AbiHXETs (ORCPT ); Wed, 24 Aug 2022 00:19:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38412 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234082AbiHXETj (ORCPT ); Wed, 24 Aug 2022 00:19:39 -0400 Received: from mail-pj1-x104a.google.com (mail-pj1-x104a.google.com [IPv6:2607:f8b0:4864:20::104a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1D8F1EE29 for ; Tue, 23 Aug 2022 21:19:38 -0700 (PDT) Received: by mail-pj1-x104a.google.com with SMTP id c21-20020a17090ae11500b001fab6a5be8aso6869116pjz.7 for ; Tue, 23 Aug 2022 21:19:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=cc:to:from:subject:mime-version:message-id:date:from:to:cc; bh=dtOhqGnkves9SrK5XswrClqDxN5tTmyAGGBi6bYs+Zk=; b=tEtIA9Lp7KvJbbWV+LV8/t585wsH87L2cPJeXJo0c0kZbJov9u2WsyRalajXFn0//w K/K+ThaQ1nCSV5Re3X/PjLLnf7RArWVcrNjgU6TtIJcZxmcRP0aUAqw6rFOl6m4RlKNp ITnoUSX/zMNTZ+B7mpKBmE1dUxAzF2kGkk6+RO1q91XzAz8lEUa7L6JPXwbORZQHhzWK 7JXi4xWSClPzRX5jJt4zXLeWnyQVDcKtABJ6L5cKKRccQOCKmtvMoc/MlKDYlkxlk6z/ bDiQYM3mvtOP4keT6ocnNDltSG8uw6uI+BzrWr0MfCU3eJB0OJTFcoD+NwipldNbJ7gV NT/g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:from:subject:mime-version:message-id:date:x-gm-message-state :from:to:cc; bh=dtOhqGnkves9SrK5XswrClqDxN5tTmyAGGBi6bYs+Zk=; b=tnWug0uQLEJmLvQxyN3HyW2OObxauU079L2mroIVbnyKj5Eqv2jOFpiTSEzQHxf8uY QUhYQKcrLDLh/1Pwa2TFzyeFe8jkSethvcgic8NWVMUrYccRsG1p29N9A6YLmm3n2XaA 4mT9WD0td5qE1TZOT7O5RdSNGV9jTJj+8DlWmfsVsNKIcMUrUN1swX7oIflBIQNvWVY5 8iLVQpxX5OZR7gO+Tmy9EPGFOpw+FpthTKmk4JtlIl1dWJWle3+AJqffLJF9smS8sxdr hxDnCu/Bal+d7ArHKm0IOEZoUiFWImKn/tGNbSN+yDcW6heAa5NuGeEb7U9oBnV7Qt5i wgPg== X-Gm-Message-State: ACgBeo1W/johjDf/yJDPMMrYcPW5uudK5Rp06owux9H0SNwedVeBrH3F pUMFhlBhhck63yHfT9AlleF3oVnr94XvEIM= X-Google-Smtp-Source: AA6agR7HjRyExJ6lrTsRKgDm+dxDOHkPWEtM1slGQjLq/jBk6YXW5c/380xvW3vK7Nmv/VqCsFJ2l8spomHIhBxm X-Received: from joefradley-custom-96.c.googlers.com ([fda3:e722:ac3:cc00:24:72f4:c0a8:831]) (user=joefradley job=sendgmr) by 2002:a05:6a00:13a2:b0:537:159c:4413 with SMTP id t34-20020a056a0013a200b00537159c4413mr3998928pfg.8.1661314777635; Tue, 23 Aug 2022 21:19:37 -0700 (PDT) Date: Tue, 23 Aug 2022 21:19:33 -0700 Message-Id: <20220824041933.822838-1-joefradley@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.37.1.595.g718a3a8f04-goog Subject: [PATCH v2] tools: Add new "test" taint to kernel-chktaint From: Joe Fradley To: davidgow@google.com, brendanhiggins@google.com, skhan@linuxfoundation.org Cc: linux-kselftest@vger.kernel.org, kunit-dev@googlegroups.com, corbet@lwn.net, Joe Fradley , kernel-team@android.com, linux-kernel@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Commit c272612cb4a2 ("kunit: Taint the kernel when KUnit tests are run") added a new taint flag for when in-kernel tests run. This commit adds recognition of this new flag in kernel-chktaint. Reviewed-by: David Gow Signed-off-by: Joe Fradley Reviewed-by: Brendan Higgins --- Changes in v2: - based off of kselftest/kunit branch - Added David's Reviewed-by tag tools/debugging/kernel-chktaint | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/tools/debugging/kernel-chktaint b/tools/debugging/kernel-chkta= int index f1af27ce9f20..279be06332be 100755 --- a/tools/debugging/kernel-chktaint +++ b/tools/debugging/kernel-chktaint @@ -187,6 +187,7 @@ else echo " * auxiliary taint, defined for and used by distros (#16)" =20 fi + T=3D`expr $T / 2` if [ `expr $T % 2` -eq 0 ]; then addout " " @@ -195,6 +196,14 @@ else echo " * kernel was built with the struct randomization plugin (#17)" fi =20 +T=3D`expr $T / 2` +if [ `expr $T % 2` -eq 0 ]; then + addout " " +else + addout "N" + echo " * an in-kernel test (such as a KUnit test) has been run (#18)" +fi + echo "For a more detailed explanation of the various taint flags see" echo " Documentation/admin-guide/tainted-kernels.rst in the Linux kernel s= ources" echo " or https://kernel.org/doc/html/latest/admin-guide/tainted-kernels.h= tml" --=20 2.37.1.595.g718a3a8f04-goog