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=-3.8 required=3.0 tests=BAYES_00, 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 5EDD0C433FE for ; Mon, 7 Dec 2020 07:39:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 134EA206B6 for ; Mon, 7 Dec 2020 07:39:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726116AbgLGHjI convert rfc822-to-8bit (ORCPT ); Mon, 7 Dec 2020 02:39:08 -0500 Received: from lithops.sigma-star.at ([195.201.40.130]:54724 "EHLO lithops.sigma-star.at" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725783AbgLGHjI (ORCPT ); Mon, 7 Dec 2020 02:39:08 -0500 Received: from localhost (localhost [127.0.0.1]) by lithops.sigma-star.at (Postfix) with ESMTP id A111460CEF32; Mon, 7 Dec 2020 08:38:25 +0100 (CET) Received: from lithops.sigma-star.at ([127.0.0.1]) by localhost (lithops.sigma-star.at [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id lYe7XNyoDZpR; Mon, 7 Dec 2020 08:38:25 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by lithops.sigma-star.at (Postfix) with ESMTP id 482326231F21; Mon, 7 Dec 2020 08:38:25 +0100 (CET) Received: from lithops.sigma-star.at ([127.0.0.1]) by localhost (lithops.sigma-star.at [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id Y1hHDwrmG42h; Mon, 7 Dec 2020 08:38:25 +0100 (CET) Received: from lithops.sigma-star.at (lithops.sigma-star.at [195.201.40.130]) by lithops.sigma-star.at (Postfix) with ESMTP id 1A58B60CEF32; Mon, 7 Dec 2020 08:38:25 +0100 (CET) Date: Mon, 7 Dec 2020 08:38:24 +0100 (CET) From: Richard Weinberger To: Boqun Feng Cc: linux-kernel , Catalin Marinas , Andrey Ryabinin , Alexander Potapenko , Dmitry Vyukov , kasan-dev , Peter Zijlstra , tglx Message-ID: <1460772961.85699.1607326704865.JavaMail.zimbra@nod.at> In-Reply-To: <20201207043518.GA1819081@boqun-archlinux> References: <20201207043518.GA1819081@boqun-archlinux> Subject: Re: BUG: Invalid wait context with KMEMLEAK and KASAN enabled MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8BIT X-Originating-IP: [195.201.40.130] X-Mailer: Zimbra 8.8.12_GA_3807 (ZimbraWebClient - FF78 (Linux)/8.8.12_GA_3809) Thread-Topic: Invalid wait context with KMEMLEAK and KASAN enabled Thread-Index: 6g9dKygF4YhpzjznohWxx1ckhTfl2Q== Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Boqun, ----- Ursprüngliche Mail ----- >> Does this ring a bell? >> >> [ 2.298447] ============================= >> [ 2.298971] [ BUG: Invalid wait context ] >> [ 2.298971] 5.10.0-rc6+ #388 Not tainted >> [ 2.298971] ----------------------------- >> [ 2.298971] ksoftirqd/1/15 is trying to lock: >> [ 2.298971] ffff888100b94598 (&n->list_lock){....}-{3:3}, at: >> free_debug_processing+0x3d/0x210 > > I guest you also had CONFIG_PROVE_RAW_LOCK_NESTING=y, right? Yes, this is the case! Thanks, //richard