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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 332A9C433EF for ; Wed, 20 Apr 2022 13:01:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1378706AbiDTND4 (ORCPT ); Wed, 20 Apr 2022 09:03:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42566 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241063AbiDTNDz (ORCPT ); Wed, 20 Apr 2022 09:03:55 -0400 Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 742AF1659A for ; Wed, 20 Apr 2022 06:01:09 -0700 (PDT) Received: by mail-il1-f200.google.com with SMTP id m11-20020a056e020deb00b002cbde7e7dcfso871862ilj.2 for ; Wed, 20 Apr 2022 06:01:09 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=2IgGQLD5G+5Tfxlq7KIln/oteLHYJ2GP/WcMqcq8IfM=; b=v+YEiXgVKB6FPOG3qYFOzl0xRYefuxwDzGc1k8FPISoqRlN04RtfIaUNjGY2bdt5TP gtQFK6UBMGYI1+AbEGhVx21LJ+9rGsZIeGiNXZHHk4M9GY5c1jZ985R1PvSKYZKrC4dx Pq6bc+Mbeqkugv+vS/72+ihpv9vZa8BekZLgEzGfxYvheEHRKhm16NYnVHCvSh/tqbtJ 5e5m+MEyMp2b3LI6KJRmEMM6/CdbrstTKLkii/8W4+91sJCA9fL3HaseU76FzFyaAp2u 71d/guRR+BOUQBlNL9nyWlE4Zba6zE/ktVyqfbdlnsjav2Vz5IMJkqLQgfrvbC15Jvxz 0N9A== X-Gm-Message-State: AOAM530Z85R4QVKlq2SHISS5g0E0DS0qhJM5HmimV7dhE56OhYyaEBJg vmsdVmTPLkhGrTVKTcclfkMak/nXKJ6B8YGH6SLzGSNECx3A X-Google-Smtp-Source: ABdhPJzqgate6rM+viCu2evOUewTb40FXkpQJff38RYGkcV8cjBRUVacaL8fdpt38dEG5KKBk/tHmbreuHsoSkA+fxnJNfPU0Prp MIME-Version: 1.0 X-Received: by 2002:a5e:9302:0:b0:648:c246:291 with SMTP id k2-20020a5e9302000000b00648c2460291mr8782140iom.88.1650459668859; Wed, 20 Apr 2022 06:01:08 -0700 (PDT) Date: Wed, 20 Apr 2022 06:01:08 -0700 In-Reply-To: <20220420122702.lseed5l3lrssyat2@wittgenstein> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000474d8205dd1596ba@google.com> Subject: Re: [syzbot] INFO: rcu detected stall in sys_lsetxattr From: syzbot To: brauner@kernel.org, fweisbec@gmail.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@kernel.org, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+306090cfa3294f0bbfb3@syzkaller.appspotmail.com Tested on: commit: bbc1e8c5 fs: unset MNT_WRITE_HOLD on failure git tree: git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux.git fs.mount_setattr.cleanup kernel config: https://syzkaller.appspot.com/x/.config?x=c01066a8395ef6d7 dashboard link: https://syzkaller.appspot.com/bug?extid=306090cfa3294f0bbfb3 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.