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=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 D8DDFC388F9 for ; Fri, 23 Oct 2020 09:34:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7BA152225F for ; Fri, 23 Oct 2020 09:34:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S461545AbgJWJeK (ORCPT ); Fri, 23 Oct 2020 05:34:10 -0400 Received: from mail-io1-f71.google.com ([209.85.166.71]:40659 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S461426AbgJWJeJ (ORCPT ); Fri, 23 Oct 2020 05:34:09 -0400 Received: by mail-io1-f71.google.com with SMTP id v7so632150ioe.7 for ; Fri, 23 Oct 2020 02:34:09 -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=OR2ITtjdpv4NTvFqagQI/S+gRNI6WwRDFG8I0cp5FOk=; b=VmUJTwXNSZBeQSBnAUPzAamnRgR3SORQp+oksMKpeuGUE8KiW7i2C3J246uFWkLiCT tHgZ+kurS3hJusfG5ihDaFxML8JjdZ9Zy+YHFMp3stKTG3oDWgl59NX7jpxoRo6A6ruW oag99ULjYB9cZC0ZpNAVBUperg/nX581cY/FEZoL/Ag2wW63zxuxCeRbQQge3oTREUeH 7s8Uoih5U33Rdhoqk8iin3xkGUrF3YQowpHDIT5l5o0tHmdgu9QCIcIWh2Sz8jkJchUQ UnZHsYTnsmL5+LVPSMUFFoUM3UsQmi6sHlqWjDXBu2b78fbprm97pMQFB1xgs3ZIrNaT SdSA== X-Gm-Message-State: AOAM531Gbuhx75czYd7XlD1ePeOmdkKxHvjRYRyWbCHWKgkZO+6zVL98 yylSy34ovdPMPEn+h5XOiCjsAQkwW3TAEsoodBYMXk/CIdqs X-Google-Smtp-Source: ABdhPJxMZja4L6B6sGY/JPpYNztl7C1nuHzxONB+RpNMHJfRbU0fJGSg1u95xBJuB4lJPtc06eg/hFR9Dv/9cLuxfYBtCYDTm2KV MIME-Version: 1.0 X-Received: by 2002:a05:6e02:13c1:: with SMTP id v1mr974950ilj.254.1603445649127; Fri, 23 Oct 2020 02:34:09 -0700 (PDT) Date: Fri, 23 Oct 2020 02:34:09 -0700 In-Reply-To: <00000000000069b76105b00bcbfd@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000055421f05b253489b@google.com> Subject: Re: INFO: rcu detected stall in sys_newlstat From: syzbot To: dhowells@redhat.com, fweisbec@gmail.com, linux-afs@lists.infradead.org, linux-kernel@vger.kernel.org, mingo@kernel.org, syzkaller-bugs@googlegroups.com, tglx@linutronix.de Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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=103fa33c500000 start commit: eff48dde Merge tag 'trace-v5.9-rc5' of git://git.kernel.or.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=af502ec9a451c9fc dashboard link: https://syzkaller.appspot.com/bug?extid=60b38542a0dfb2e0f746 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14ddd69b900000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=179a69ab900000 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