From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) (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 A049F2951CB for ; Thu, 26 Jun 2025 12:30:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750941007; cv=none; b=B3At7nnhTgnmPvlZB6JIWdGmbhv38LXEZwTDWt1nNUv1w8+jgGiDwriHccSqzn383y4uX3L5N03tfhvgc+NW1mSK87TSWUBteUE4b+FNDio0GF++1Wz0WlJ+Tz1McnVaOG4smRbruBq7DuKJkAdF0iQruDjIhT0D6ObuwiYs+uA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750941007; c=relaxed/simple; bh=CXStEVJvcv+k2Q2vxM4gbvEwCMVyfWubEkIRfPVOaNY=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=AmFmFUTOe2KhTzjLP3UK7UC3JcfYM3zyDVvYakWEegeog823oBhZxCqD1+DbddOQT/kI1KYuM/RXYa0PxLOkV1+/iC8c2Up/NTAi5mqGFqy0iQQTdXfR6OyEcAMl6Avg/eRAdx5Imu6s5KJLUDjSjsVYzRbriianCGPZQzd6TZs= 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=209.85.166.199 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-il1-f199.google.com with SMTP id e9e14a558f8ab-3df2d0b7c7eso9830715ab.2 for ; Thu, 26 Jun 2025 05:30:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1750941005; x=1751545805; 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=+1o3hxzaUWzzHbBMm9wAarkIlEGX97bbmCARttE5VPQ=; b=TTjZN0IycWmnH64aL03GZKsNr9PX9M25gDrK3ZgjeQEN1A3egZ/rgQWZ5IfOCGKZXZ Efafwhw5vUhGQujuho9VBjaumXjfhxkn45Wae6xkROe1VYzNwXsNpY13cxg6CoMxgkZd DPfx7ZKbFK4qKhQ5MJiQ+eE0xmWmLTsIvq2QSXato1J67L+KSAcJI3oUx+yEuy1YQ/Uq pxWAddfGvNOO25pq7Tv0JUC6Q6mboXXeYwojD1ZhfsrRibZgoKhD0/ShctKgx8Vf/9SY e8n9LmMVoGLJWk2GGcYbPRf/Ft3Q2Plnd3X7ihXjP30E+NELKMT1lZIArNxEpG82Li8e Qj1w== X-Forwarded-Encrypted: i=1; AJvYcCXuFmOuqHIOPX6+PaNZTOfKsHmIjfATIOStetxb8ynauCjDMpWvMd/yVu5AxzyTMiMUs1krbaR+F6jnbQ==@vger.kernel.org X-Gm-Message-State: AOJu0YxGG0cH6vcIr/uc7PeSlgV2ja0kVE30So0LtMQp7OoB0y3j88yU lF7VQdUsrkJiz1iqAjmRQuOttYI3NP54wOa3iutcYGBosnDr+bSvcm4qs2DOmOxTRMhw01zjx0P WFSmrYtRYqui5DImXwrLJCAbLvW3sAZbI4s7KzmngxCOK3KnRZv9lWdWmE2Q= X-Google-Smtp-Source: AGHT+IFmpFVzPKBoE8YpXAKWX9bRYgOts+wBkYkpz0Rmx1o0jFY1lr//x9Pitxn4d9qLuNlh9BrgPCyx/LGoedvKFAfm45VU3+2p Precedence: bulk X-Mailing-List: linux-btrfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a92:c241:0:b0:3de:265a:12b with SMTP id e9e14a558f8ab-3df32996d19mr16301395ab.13.1750941004729; Thu, 26 Jun 2025 05:30:04 -0700 (PDT) Date: Thu, 26 Jun 2025 05:30:04 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <685d3d4c.050a0220.2303ee.01ca.GAE@google.com> Subject: Re: [syzbot] [btrfs?] possible deadlock in btrfs_read_chunk_tree From: syzbot To: clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org, quwenruo.btrfs@gmx.com, syzkaller-bugs@googlegroups.com, wqu@suse.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+fa90fcaa28f5cd4b1fc1@syzkaller.appspotmail.com Tested-by: syzbot+fa90fcaa28f5cd4b1fc1@syzkaller.appspotmail.com Tested on: commit: 743c198d btrfs: implement remove_bdev super operation .. git tree: https://github.com/adam900710/linux.git shutdown console output: https://syzkaller.appspot.com/x/log.txt?x=13a5b182580000 kernel config: https://syzkaller.appspot.com/x/.config?x=79da270cec5ffd65 dashboard link: https://syzkaller.appspot.com/bug?extid=fa90fcaa28f5cd4b1fc1 compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.