From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C333326E716 for ; Thu, 9 Oct 2025 09:16:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760001365; cv=none; b=UlhpGs8Z1esxZ8EZYItwgn3NjtVKWqVENGrufrD0hZOfF6UygRul+7UsQR/W7CkJQ5aQ82evIBgaUYQZ+LW4P0qzoOHtXykYcAuasbJ8oP0MDNG14THIB6L8Iz5xRTQjtNgwlWxLFZ+F+RGqD7+qSAZ0IzGiEWrbsR7uNuSqBhQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760001365; c=relaxed/simple; bh=iuQFriCnHUuilfCgx+YaMklsGuT+Ooz5LIMKmwOXD0I=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=mDDSyW8MzL/W9II+FEmnJou89YbLcEsf5h5ipE/GKRYTsYiVuN5IOhLxx7iHnQvqPuhpy+pNrUNUi75ZcTj0JWgq9g05O/EdcbZTekazY0cGet8OTJNKn1zg1mPgXrthdL7fYt0F+P+essg6aVldqxzdPzY+xOt/92SsPB3x7sU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.69 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-io1-f69.google.com with SMTP id ca18e2360f4ac-9048fe74483so152005739f.2 for ; Thu, 09 Oct 2025 02:16:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1760001363; x=1760606163; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=a+QU/fP9rvwZ0sM6lFg4dKd6wYf3y3R2HV/ggMf8ZiM=; b=sHOuvQonFB1++9ntWuf0AIN/q5vvZGiT4wcQddAE06AVSeavE5aUCqBwcDt6zfU1jt KZRTYXOO63EYojxRJg8DAcSzifBMmjQ2w0gYVDBG4uVohjQyFDWAwXpds957d0TPqdii 1ESc6T1O/HSAuTdQncUZ/HigkFhLdfrKk5BplNeEIJqDo46mMvdL+xvNs4ENlMaQ2DKv j2BGvgGjYL2bsjFiFBA9RIcYi2DbWFZgUHwxb7G+PTIpT6QoLFxL0SnDNiCmIyz6e/U3 ONoyrC2b5Vb1IfSJMLcimkQTwegu3g0yWvX2subUZ4W2WcTduqwo29MiC26BZn92Sxln DPiA== X-Forwarded-Encrypted: i=1; AJvYcCWkQMwJt7ZDbLxxLvYHUaDxdYvTQZZGR/EUTMiiQgryLEejx7vSMoPT5VRegAfht4DsN5ehZaNGCGvhq58=@vger.kernel.org X-Gm-Message-State: AOJu0YylKaY9eWdZqY/72y9dzBHtW1aJXvB5fSGfnqx32oPManwFCHb4 QOYVVL9U/A/zNAVnv90Ql7iJYObbKY04/15d55aaPIcvmsqJ8HveV1UvILqMrqwTV/jBS2ujada 1ECpdJtgHanbVLoLHv6kKmQPjvCes9NLaZhThPwpoc5Wz3Askpui+pDz4ZKk= X-Google-Smtp-Source: AGHT+IFvO2dCHKwkcLy9ZCLlHVLUGKJPHj1AcNNMYHW++wgPrfzqxaC/+yhP0huzcpebTNTD8x9lzxGk8rBIdAQomP5Y422ncdId Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6602:2cc3:b0:92a:e2bc:d861 with SMTP id ca18e2360f4ac-93bd18bb6c7mr705162939f.1.1760001362886; Thu, 09 Oct 2025 02:16:02 -0700 (PDT) Date: Thu, 09 Oct 2025 02:16:02 -0700 In-Reply-To: <20251009085515.8396-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68e77d52.050a0220.2430e3.01df.GAE@google.com> Subject: Re: [syzbot] [fuse?] possible deadlock in __folio_end_writeback From: syzbot To: hdanton@sina.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-by: syzbot+27727256237e6bdd3649@syzkaller.appspotmail.com Tested-by: syzbot+27727256237e6bdd3649@syzkaller.appspotmail.com Tested on: commit: ec714e37 Merge tag 'perf-tools-for-v6.18-1-2025-10-08'.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=16834542580000 kernel config: https://syzkaller.appspot.com/x/.config?x=7a19be70789ed377 dashboard link: https://syzkaller.appspot.com/bug?extid=27727256237e6bdd3649 compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 patch: https://syzkaller.appspot.com/x/patch.diff?x=17b51892580000 Note: testing is done by a robot and is best-effort only.