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 6EAE2C0018C for ; Wed, 16 Dec 2020 13:40:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2E4CF2311B for ; Wed, 16 Dec 2020 13:40:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726382AbgLPNko (ORCPT ); Wed, 16 Dec 2020 08:40:44 -0500 Received: from mail-io1-f71.google.com ([209.85.166.71]:44943 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726308AbgLPNko (ORCPT ); Wed, 16 Dec 2020 08:40:44 -0500 Received: by mail-io1-f71.google.com with SMTP id a1so22022738ioa.11 for ; Wed, 16 Dec 2020 05:40:28 -0800 (PST) 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=H23gK52sCILiq088lhUQFDzvFZHl87rDPzyeRO8RNd4=; b=GZcbyLSIY34Mq7Nc0U5jhE5ueJ/yrq6jsqgNu2W8xiUuhJLSL035C7ao5N226LWYzt ljzxeVkooqQFbSbjIjXDvvdywA5Trb8swM/n/Zl6+jGMv1gQFyLduZ1jEVEaSZlCDiKs qUf/bsqoYLAVK/m4j7qFqtaDG+ElLI8YxBXPS/SSPMA5nj2R3HjsJiDBI0dCQPdNHIRq xH5a9RvaKwqGG92IQfGGF1mtxXrAKjxo610yoI/AlZ5MXDIYZ74x2cls4WncZUjgA55s QaJ3A9WUc3CEkRP38uwAaEhacQgUzB2Hmb/bnBu4V9y9D0Z5HAiNSFSu3FKE4XiZBsRP vQ+Q== X-Gm-Message-State: AOAM5339eKG/MQkCrC3za72zSTPXTPIKUcPBbR19LKD7gOs8wbeXCeTU yr2cz6DPIZ7ymsZdG9gTVoTf7fOW2rpn5W0GwimPZe3Nd/gz X-Google-Smtp-Source: ABdhPJycCbsLgF11aJGiLLu+8JEFqwjFZFOTcyTLJfHZRSLSOi8ZBEoTLEWIX6TXadn0g2BSEryafSecxWImCEYJifPSP/NC/og0 MIME-Version: 1.0 X-Received: by 2002:a92:bb84:: with SMTP id x4mr3410125ilk.298.1608126003067; Wed, 16 Dec 2020 05:40:03 -0800 (PST) Date: Wed, 16 Dec 2020 05:40:03 -0800 In-Reply-To: <000000000000f683660598300559@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000002aca3d05b69503ac@google.com> Subject: Re: INFO: rcu detected stall in sys_open (2) From: syzbot To: bp@alien8.de, davem@davemloft.net, dhowells@redhat.com, fweisbec@gmail.com, herbert@gondor.apana.org.au, hpa@zytor.com, linux-afs@lists.infradead.org, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@kernel.org, mingo@redhat.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, x86@kernel.org 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=128ceadf500000 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=7ee926c5e237e614ccb1 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1227c177900000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13553f60500000 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