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=-18.2 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_IN_DEF_DKIM_WL autolearn=ham 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 B9842C4361B for ; Tue, 8 Dec 2020 06:34:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7BF3A23A69 for ; Tue, 8 Dec 2020 06:34:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726308AbgLHGdy (ORCPT ); Tue, 8 Dec 2020 01:33:54 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48716 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726243AbgLHGdy (ORCPT ); Tue, 8 Dec 2020 01:33:54 -0500 Received: from mail-qv1-xf41.google.com (mail-qv1-xf41.google.com [IPv6:2607:f8b0:4864:20::f41]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E0E69C061749 for ; Mon, 7 Dec 2020 22:33:13 -0800 (PST) Received: by mail-qv1-xf41.google.com with SMTP id u16so1347898qvl.7 for ; Mon, 07 Dec 2020 22:33:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=bjGBizsQuqAYSTH9PhUDz3K9900CQ12Hy6bVTWK7Db0=; b=HCVUrsPSVTe5e0k7pZ0vOLU8BXfOzpCdoZx6CY/vJxWVuoLXqewWdyHIH1v8oHdtBr Go6zaMZ7INvGcr0Hv6P3a9NzQsIb0JrA0FU+HgbONQ+6aadQPoqZFCCAk9vxnlShPb0M 94/pfthQGK9WnUZNAHUKHtx2gA9+IRBK7HQS/X4vif8sR9JTS005lzkRmdPLLb0LB5u9 VqoWJnV/sk7ehYbFnD8WvTIuQh1pg4L0rFcb2xrJw0Yl6sMGz92KgE3/rA4NrPoJ+jFN WJDKkT34Jpzs+XGmPpLe9y8jExCV/zM6wADYeWyvN/V+OQBHbEoeehKp/gU3qrSNYKaC WulQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=bjGBizsQuqAYSTH9PhUDz3K9900CQ12Hy6bVTWK7Db0=; b=trwZrQ1NrnZgZ2tWOnrc3tv8dfUlAZw/p5Te54hQ4hR81kh4AtGCmgwSbLfgjz5fLJ JJ2c/zJU6qd+sgbMBK9yI1YeKsZtD0jzamE+yzHqM7GCEXp69IuxmWbF6LtEZSQKtNC6 QPu34tDgvPbQOFtdwgcbgL7M83OWkLiRhwH9C5XaEU7VyxV3AfoPmINZtHi+9/sW1gEs PRjTiycUc6j+t2JsnjKqph2SZp9wnQlZEZyaR/t0FBC207q7Zd/g1xa2Ln4h5kFWS2Ri 3o29KgNcSkwe12V88rgUDoi7GEncOZNgirxi7vGG65qEtyKd9FzD+uXzbrrrZjeRw5bR gWEQ== X-Gm-Message-State: AOAM530SvTgiK8befmy9m8vIZ8XwQOsotCiKh7+w3NvPoW3nN9cRLKHO A7ETo8E6E9R4bv0mHCK65kz2rKLWdUNSYm6oPo42X5Xjf5q/mQ== X-Google-Smtp-Source: ABdhPJz0A/5qLzf/WoKC3tSsPva3lJSf9OEYwdGpy/jOBAQCVL+GatEDzyBkihTbe/Huz62cWx65pNFR7kkpPuKda+I= X-Received: by 2002:a0c:edab:: with SMTP id h11mr4278598qvr.23.1607409192833; Mon, 07 Dec 2020 22:33:12 -0800 (PST) MIME-Version: 1.0 References: <0000000000009caba805a9c7b840@google.com> <00000000000013d25705b5e55be6@google.com> In-Reply-To: <00000000000013d25705b5e55be6@google.com> From: Dmitry Vyukov Date: Tue, 8 Dec 2020 07:33:01 +0100 Message-ID: Subject: Re: INFO: rcu detected stall in __se_sys_mount To: syzbot Cc: David Howells , =?UTF-8?B?RnLDqWTDqXJpYyBXZWlzYmVja2Vy?= , linux-afs@lists.infradead.org, LKML , Ingo Molnar , syzkaller-bugs , Thomas Gleixner Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Dec 7, 2020 at 9:06 PM syzbot wrote: > > syzbot suspects this issue was fixed by commit: > > commit 1d0e850a49a5b56f8f3cb51e74a11e2fedb96be6 > Author: David Howells > Date: Fri Oct 16 12:21:14 2020 +0000 > > afs: Fix cell removal > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=162cebcf500000 > start commit: c85fb28b Merge tag 'arm64-fixes' of git://git.kernel.org/p.. > git tree: upstream > kernel config: https://syzkaller.appspot.com/x/.config?x=de7f697da23057c7 > dashboard link: https://syzkaller.appspot.com/bug?extid=3f2db34df769d77edf8c > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11df5d4f900000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=157851e0500000 > > If the result looks correct, please mark the issue as fixed by replying with: > > #syz fix: afs: Fix cell removal > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection #syz fix: afs: Fix cell removal