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=-0.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 3FBF3C433E0 for ; Sat, 27 Mar 2021 05:04:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 04A9D61A02 for ; Sat, 27 Mar 2021 05:04:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230030AbhC0FEB (ORCPT ); Sat, 27 Mar 2021 01:04:01 -0400 Received: from mout.gmx.net ([212.227.17.21]:40711 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229436AbhC0FDV (ORCPT ); Sat, 27 Mar 2021 01:03:21 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1616821398; bh=WuPw1z8BPrXMfSiGR2z+Ln/ohuTjDXcf3TAn8vQwY4k=; h=X-UI-Sender-Class:Subject:From:To:Date:In-Reply-To:References; b=O2HIxfofTE6b3xu/5CU5qCJ4SaBce3wVoBFPLriKOhSLh4P1H2R6hq4NKftZ1L2xc asKaq2xbXJmm4qcQ+k7qYkCnKLJsy1o74UVC/xQBZaQAAbxI/W6td/UXyzIyGH2k3E X27bagNJKYJFAVMkq2vYhJEUv1HEx8n9Ht9mJlZs= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from homer.fritz.box ([185.221.150.1]) by mail.gmx.net (mrgmx104 [212.227.17.168]) with ESMTPSA (Nemesis) id 1MQMyf-1l4LW304Tx-00MJ9b; Sat, 27 Mar 2021 06:03:18 +0100 Message-ID: Subject: Re: [RT v5.12-rc3-rt3] __call_rcu with KASAN causes invalid sleeping function call From: Mike Galbraith To: Andrew Halaney , LKML , linux-rt-users Date: Sat, 27 Mar 2021 06:03:17 +0100 In-Reply-To: <20210326212009.dvmga3e7axms3atk@halaneylaptop> References: <20210326212009.dvmga3e7axms3atk@halaneylaptop> Content-Type: text/plain; charset="ISO-8859-15" User-Agent: Evolution 3.34.4 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:cT2BtdJBKR8lhae3DJq7uvP6hFlJxjKG9z+GnjfbSqJrazqQ6H9 wE0KIVl5rp1Z154GV0gNQBPyDaEBS0mWQ8VDkPrd88ucHagOA7YNnunOJAv+cBbwDCwFSxD 0x912CvNRT4abaH9q7kQSVB6RExljs5ZvwCjskDrqrqkOww6cqFfwQNjpropQvAtabkhLR5 cFbsRzN+ToSFOZ2T1J4XQ== X-UI-Out-Filterresults: notjunk:1;V03:K0:o2wwMQmNzOY=:4v7Vl+XMbRArLJ2uc94tQj KNo2AW4aVygO4UBq0oivzt3W/ZQo/IG5I6mAomaZextpV37TOQS6E+JeeEkGgWrUpT/2zlrF+ wO+vaTsQQI0RtRD/3tXiASJlzKvD0H+csKmadQe81gTd1IspKDh9t8I+nafpZvb6cPPZOhzn0 7dNFKHkEE59Wmwh5J5RCG03hi8U2ElNuWCgQZMPTVRHkxxFUBJFPERkY0o8ED9DIeaGZSDe9+ DPZh4SlFrgTPYYL5pprqphhPfWEtmCiuzX+Mo/AsxxT/sw3S6jK3uPtaSiYSODB+ChMibK0NN t/SmSp11V6x5hZGZXTcepnl3XMWl7wqRdluC9tGbSbsNh7x1OMyn/Xpkqorhqy8tRhC9AlTDz 6x4q8tLhfvQFmOx9dqFpJQlDU4Hvwa7n/BOMIlhIRUWso0wocT52hEr+A5JO8ExnWIWZt1g+h HSBhuB4XpOyCcUl6VG+q69TSlZy29W7sIUCgm1LvCnP8wGva8XdiNfruzwVVC1JJ+NBE/tZJq NotXH/GHQrnfjvaMLj5MQjew6SVQqkjk1FibrKeNf1DQ4HMzCXIkkID70HibOW13E1JBEMjtI ZxQHjkq2sI2llNQss3oCuLme1J4qzKlBtuzqnn3ljjPkqU993c5J6q+/pEM/c1/WrIM1GwaeV TBrXrVbIyzPuZAfVewAGUVZuVsirfZkewO7NtGJMMQf88sCiBeaQyutPznKpogf9TF41sxWb0 eyVrzvFeR3iY/bv/Yce6zAKxWvaNvqpWIOOyI1qUtEMn7gZpHAxpwueQcJm5iLv8PlWiTYuF6 mkw+44HNxWSBS0zF5+RbyxJPnllN56VpCERb2cC1yVE66lmcc5m+MBWAPJyx6MC1pjY4E8IPh GUcMa2H6/c73D8zsjSgy4h7xazhpMG3R0ijCEK1esfKhf+qXQFdk+PcN2Qae089i1ODv6jatz Q0NKKbt+84Af8IZdxZ/+1o3VQHoH8VmMNEkUX1flvc7ckONhXH0RwlHWIFP3T/XwAr2xl99HE 10Hb9ZGMtL46rbo8esEcFhOormZSRIJkHHJvTHbn4jMPUBqvXtpYuqSaQp0IahCpwqtlwkJR7 QSoJyu6+nLw0PEEljyB3o45Z1Ovndi45CLrJnx42C8wIurlc6HJMV437fIE02yqdZ5KxYkayl rnG3Qu3j2mwoRhbfBfgNltBEcMVlcocB6s8U8paO+9lcgh8xUJ3UlWeXg1MR3GJPs4WrY= Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2021-03-26 at 16:20 -0500, Andrew Halaney wrote: > Hi, > > I booted the RT kernel (v5.12-rc3-rt3) with KASAN enabled for the first > time today and noticed this: That should probably be one of the auto-disabled config options. I started down the fix the KASAN gripes path, and quickly determined that that was a job for someone with motivation that I fortunately lacked. -Mike