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=-8.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 0324BC2D0A3 for ; Thu, 29 Oct 2020 23:49:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 99C2120720 for ; Thu, 29 Oct 2020 23:49:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725849AbgJ2XtH (ORCPT ); Thu, 29 Oct 2020 19:49:07 -0400 Received: from mail-io1-f72.google.com ([209.85.166.72]:55013 "EHLO mail-io1-f72.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725780AbgJ2XtG (ORCPT ); Thu, 29 Oct 2020 19:49:06 -0400 Received: by mail-io1-f72.google.com with SMTP id s10so3090858iot.21 for ; Thu, 29 Oct 2020 16:49:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=7hk9TAk77DHYI/kt84nHphsd4t0j8ackh+hIcD9azRA=; b=i3RQkYH0u86eynQs6qoCqFLnjxzs4z13KIKsLjO3WTVTfUXO4ONQ7LlObfz44ovd7+ Lgp4W8/Pr8RCQswh8NNmyH2f+XmwpeJvKNjJV/0uTMe93WDPZESi1E3RXfL/D2+e2CZ4 FvWZ+AqIxEC9a1PwG8kjiJlEo0pWX7ezPHm2OpRtglpojZLG53H+BCJ7Eqp4VJl+NDX+ XuvHsWCq5DLWvyqLhgKO9MwCWqAGGuPwL3veqIEqnjlUopHpHAwaJQxbzANM3nFeqhWv pItl/xnEQqgnPA9wNPpstiNL4VVP0noIPIUk6u0djTR2dg4+8fBUnQqy6cb2+w3XsJrq dAEg== X-Gm-Message-State: AOAM5325/FKaz2YUNRvd9NLCV5Y3HjWfdZKreO+B/d36BbFo8N4noiGX R5kqKjHGIK09aJSyt933rMrI3oyzB8t9qGE3GNB86jJ9YnTb X-Google-Smtp-Source: ABdhPJz6K8mon/7XpZee7kuOHWkBYo0uS+iOWapJ5rphJshKApo1O0v13M/qqv/Tjl2G6Owe5vvRA42KTOQIJB6nBYdm8sB9h+VV MIME-Version: 1.0 X-Received: by 2002:a05:6638:3f1:: with SMTP id s17mr5648658jaq.102.1604015345410; Thu, 29 Oct 2020 16:49:05 -0700 (PDT) Date: Thu, 29 Oct 2020 16:49:05 -0700 In-Reply-To: <000000000000bd1edd05b087535a@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000e0a53705b2d7ec44@google.com> Subject: Re: INFO: rcu detected stall in security_file_open (3) From: syzbot To: a@unstable.cc, b.a.t.m.a.n@lists.open-mesh.org, davem@davemloft.net, dhowells@redhat.com, fweisbec@gmail.com, ktkhai@virtuozzo.com, linux-afs@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, mareklindner@neomailbox.ch, miklos@szeredi.hu, mingo@kernel.org, mszeredi@redhat.com, netdev@vger.kernel.org, sw@simonwunderlich.de, syzkaller-bugs@googlegroups.com, tglx@linutronix.de Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org 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=14bc220a500000 start commit: fb0155a0 Merge tag 'nfs-for-5.9-3' of git://git.linux-nfs... git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=41b736b7ce1b3ea4 dashboard link: https://syzkaller.appspot.com/bug?extid=d2b6e8cc299748fecf25 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1249c717900000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1048d9e3900000 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