From nobody Sat Apr 11 05:14:27 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 0B0AEC00140 for ; Mon, 15 Aug 2022 17:41:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230289AbiHORlL (ORCPT ); Mon, 15 Aug 2022 13:41:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54720 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229475AbiHORlI (ORCPT ); Mon, 15 Aug 2022 13:41:08 -0400 Received: from mail-pg1-x549.google.com (mail-pg1-x549.google.com [IPv6:2607:f8b0:4864:20::549]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6F37714D21 for ; Mon, 15 Aug 2022 10:41:07 -0700 (PDT) Received: by mail-pg1-x549.google.com with SMTP id g186-20020a636bc3000000b0041c3d64031cso2789866pgc.1 for ; Mon, 15 Aug 2022 10:41:07 -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=uqDZcM016hXRGYfR4wY7ZEdvO7koGL4G86BOqml7ex0=; b=rweMxJmIUOdgUL1IAU0Q2Ca2R/ts/H/3sZNxnhgEaKMFs+Lci9yOUyvqnzMr8qOD/D naNtwrNwOFjjm7FIS871T4k/5t05D2esPbk56rz+WF8qpmZXjWooPyld4b1ANpWSy+A7 muSeAnqewl51OVT5Uqw0Ezv+km3Iywrs2WFfAVwM3aCcha0ECWH/UouOS/MwfcXyVWJJ VcUL+x92EpBIyBuziwHUw4n1L5V4RvyvScrqVdwP2C3wqoaBRaVBPbULVgkkG+8xp0u0 dXlm+N+EAiJDHnTtRgLkzNJeRKzlmc77R4hpyIUYgWOfLkKxpAbxbON6orFW0GKmrdUu rXXA== 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=uqDZcM016hXRGYfR4wY7ZEdvO7koGL4G86BOqml7ex0=; b=LZJGYq6J44lroB31GePWEMY0xEgVKASCRTYfCCEqolY7ZcQj9VbctKU7USb2PhH5y+ 3jM0W6zpwWvfObCBpBQC+jk9XlSnFFKUVmOejF7QcQPYjta8IHXlt76sDtiSys8KmVv4 +TQLDq/jahONwKobEbt7PVKmjpqIm2t4zxz8Q3uh0RdzgFMJ6kN8AqXcksnxUv4zCF29 kCX/yi974Hlo0aPTRb1/CcsFCE6JeAvKDcdXDIKOC8NnSZV97u4NrGhpvpxiEZpIkxab 4WoFJIg/592CR8hgMvDRD5r6DlOj7pmLCYAmfmdmXb36o72iEJbm3z3wJzWEtnxEPirE UeyQ== X-Gm-Message-State: ACgBeo3t0LRziWO/IfOk8zqTZLsNWwuC71iqkiBJokn94JTGX/IMIiVv P9WTEYMRTrp1WjDtBFnIosIXnYa+f9XU1KA= X-Google-Smtp-Source: AA6agR6W/IoY8sn+WnggCmFT5TvMbbugptS9JHaz3/JaHRRySO786tge82iC9BKksRgTkfcMRNbREzZogMa2gHP6 X-Received: from joefradley-custom-96.c.googlers.com ([fda3:e722:ac3:cc00:24:72f4:c0a8:831]) (user=joefradley job=sendgmr) by 2002:a17:90b:2791:b0:1f3:c48:19d5 with SMTP id pw17-20020a17090b279100b001f30c4819d5mr19135726pjb.219.1660585266958; Mon, 15 Aug 2022 10:41:06 -0700 (PDT) Date: Mon, 15 Aug 2022 10:41:02 -0700 Message-Id: <20220815174102.14807-1-joefradley@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.37.1.595.g718a3a8f04-goog Subject: [PATCH] tools: Add new "test" taint to kernel-chktaint From: Joe Fradley To: corbet@lwn.net, david.gow@google.com Cc: kernel-team@android.com, linux-kernel@vger.kernel.org, Joe Fradley 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. Signed-off-by: Joe Fradley Reviewed-by: David Gow --- 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