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=-0.5 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 30329C48BE6 for ; Mon, 14 Jun 2021 07:10:36 +0000 (UTC) Received: from shelob.surriel.com (shelob.surriel.com [96.67.55.147]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8730D613BF for ; Mon, 14 Jun 2021 07:10:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8730D613BF Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kernelnewbies-bounces@kernelnewbies.org Received: from localhost ([::1] helo=shelob.surriel.com) by shelob.surriel.com with esmtp (Exim 4.94.2) (envelope-from ) id 1lsgjL-0005W2-Uz; Mon, 14 Jun 2021 03:09:55 -0400 Received: from mail-ua1-x92d.google.com ([2607:f8b0:4864:20::92d]) by shelob.surriel.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.94.2) (envelope-from ) id 1lsgjJ-0005VY-H7 for kernelnewbies@kernelnewbies.org; Mon, 14 Jun 2021 03:09:53 -0400 Received: by mail-ua1-x92d.google.com with SMTP id n61so5089661uan.2 for ; Mon, 14 Jun 2021 00:09:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=yPdfb7kjUKtbg6wjYUvf+rIm5Av/hNWDvfGXQBueCnk=; b=dMmTxXmFln5r6MP8RIBRICSR9h5hP5SQMuRWP4+MlAsyU8TFeLBgkDgYUEYTNJ5Gtl XgFaPMkwzf1tnkRgtuJRn6SfSex/PNfEO5bD9r70GmL+OvVcaq1b/i4Bh6I4dTd1u4v1 AU4x/QAa672xFiCfO98PTmDzi12g5xitTY2HQL8Cvr3vK5WVsqSlfIjsdvqNaNI941zj DEQNzAKfjYJNJ3TqP6kFMHjfdSlmMtk+ztfyGAk99sWSolLr6yDe701aaMu1Q2vNOyKw pgqY3u2Mwoeh4f7jCl9NCW24HQt44UCoW0x2qug4RagoEEOR+6kxoJQuRiMsDS7n3pup Lw+w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=yPdfb7kjUKtbg6wjYUvf+rIm5Av/hNWDvfGXQBueCnk=; b=nYohIFE72TWnnKMbmFCYh3Ts/XQYjuYLkXLeIfhnzWZnSEzvoWzUDJcSoJM7dAQTow KjNpE7mr+R1OM50tULjzD4Vwv9Zs5MyWmX8OIu6j3BASXEx/0dvuwe6x2Y9I7XzwZjio eRSYzADbXnG6MNXOCQFNm0SWZDtGTcSDa9e7iSj3yp1AzqLSDhOmzUL5A+5/RkZ6ED4t mK8mydQHvMqzcgrAwYHOvBv0QKCsLDJdoOTMR9xkhPgVF9yDkkAVazhQ0h46D3bRDj1K 5+N8ojWZjnIDReVDrwwS69U82gN+/0o6MILEemXPJ7hPaBfnix5tL9R/4VizNBLFNdJr VKrQ== X-Gm-Message-State: AOAM5327lJ6fyKSDKmWYPZ/RpDPN2VYFa4+mFfOMnQnYz08z5h8GEKWl 09ILcKTlb2xwJHL9RxCIqLn+ZKk99+8xyft5tCBGm4x10bmSEQ== X-Google-Smtp-Source: ABdhPJyFxuokCWaStrGZhAy7AHl/XOa7QQr0X4bUhcselnOz/HFmk3YFzk9RqeuSelq9sES7r2OX3P5iF5+xIZ335CA= X-Received: by 2002:ab0:565e:: with SMTP id z30mr4986220uaa.23.1623654591720; Mon, 14 Jun 2021 00:09:51 -0700 (PDT) MIME-Version: 1.0 From: jim.cromie@gmail.com Date: Mon, 14 Jun 2021 01:09:25 -0600 Message-ID: Subject: why does an in-tree loadable module taint the kernel To: kernelnewbies X-BeenThere: kernelnewbies@kernelnewbies.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Learn about the Linux kernel List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kernelnewbies-bounces@kernelnewbies.org serio_raw is apparently tainting the kernel when its modprobed. why ? other modules load properly, no code changes to this module bash-5.1# dmesg | grep -i taint [ 6.517150] serio_raw: module verification failed: signature and/or required key missing - tainting kernel [ 7.449072] CPU: 0 PID: 203 Comm: systemd-udevd Tainted: G E 5.13.0-rc6-lm1-00004-g28dc6f490a7f #106 _______________________________________________ Kernelnewbies mailing list Kernelnewbies@kernelnewbies.org https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies