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 C586D17625E for ; Thu, 15 Aug 2024 08:13:24 +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=1723709607; cv=none; b=VcJ1f6eU1aW/TULalaMinliz3Rv3bLxfkRGk0mtghG+LbR14WjWmiv9BabBDya1vg9rs1wS1Oi+JNCnW5qXE6QK+Gu7ftAKfJ5IX/OmfujT0QXfDYZ344WP65gi8cSgnxGQarxLWNMYfB1AZvAIG0fr2p3nwzIyatZnv1Ktk1ns= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723709607; c=relaxed/simple; bh=ewhADhyT3fNtYCGKnT23K6eaLlgAh60N6lXGYwPq9eY=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=gCBpRl5Z9DZOatfgZ1W7t1S03UsyQ2KXmUeTEzRj2WyYHe/qRRcueuRx6ygzhVbROMo+FOal8sUZdf/RLTR0XS3Jj/U4vdI1mECMqSkX8+rVRCCGjac8WPl85/UvL0rEq9B3e48zsyjHcLcSVJ6AI/n0nxn28mSxvsIKaUtui7k= 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-39b3dc8cdcbso8467605ab.2 for ; Thu, 15 Aug 2024 01:13:24 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1723709604; x=1724314404; 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=0L5d3bNE0mTcAv3mnFj57C89MwNgyNNLWWoM18JidsQ=; b=i+9b8BzrEOcOfdGOVUBCfZ1L9BjiqEatarwzvYIOlwlfBOuvRTyoaLgD75bxWgi97o HoqNw+s1n4LW/R06/0wUH1+cQTzJXiMbxhaGkW9AA9GNvI4mKeJJAMoNvlI/XW+zfKN8 eoPnjTJ+xtYdEIeMg05jNPJo1CuCFLkDJZM77mS56rEhghNru1MJVBgbQSvkvJvVEapn HAfL22RrNFybK6KzDqVanJ8LtTyjfdGQ7q5Ec3Slh/ox9ko5/FJXHULajMhQ1cJZg+BB kB3PCPkazkm4ATF/09FVpJJ0S2HtuiWF2AS0txgqf/rmqGOmbAVUvsP0VZ9R1uStUQVR C/lA== X-Gm-Message-State: AOJu0YyX7LSca/4PJUlb3TwTY7KWdM6vdd1gdDkZ6eE2NO8WzinPvOXq RWT7JCu5reCXVf7Ks25GN/o7PDNrIlPTaC5PJ1pJzHJgbv9Ij8rO2NyOHOkS0G4KffMbZCjIB2M Su63rJJMKdNdgLIEzYlePmt6qrQbh2IZf1WxDfOktHIo/K8Cok8zj2C4= X-Google-Smtp-Source: AGHT+IElPG02X7Bm5pfKej7O+cBCiuyluGjZl8n6pQNhc8jWgU+bfnNCxZNUokolvYfvv5WETcoLPjYAJHrtrnZNpaXpNvM4hbyg Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:20c3:b0:397:3a28:94f1 with SMTP id e9e14a558f8ab-39d124cd834mr4180145ab.3.1723709604147; Thu, 15 Aug 2024 01:13:24 -0700 (PDT) Date: Thu, 15 Aug 2024 01:13:24 -0700 In-Reply-To: <0000000000007ec511061f00a7b2@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000a6c344061fb46a09@google.com> Subject: Re: [syzbot] Re: [syzbot] [v9fs?] WARNING in v9fs_begin_writeback From: syzbot To: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" For archival purposes, forwarding an incoming command email to linux-kernel@vger.kernel.org. *** Subject: Re: [syzbot] [v9fs?] WARNING in v9fs_begin_writeback Author: lizhi.xu@windriver.com clean dirty for the release inode, stop to worker wb it again. #syz test: upstream c0ecd6388360 diff --git a/fs/netfs/write_issue.c b/fs/netfs/write_issue.c index ec6cf8707fb0..02b06e4e3596 100644 --- a/fs/netfs/write_issue.c +++ b/fs/netfs/write_issue.c @@ -530,7 +530,9 @@ int netfs_writepages(struct address_space *mapping, if (netfs_folio_group(folio) != NETFS_FOLIO_COPY_TO_CACHE && unlikely(!test_bit(NETFS_RREQ_UPLOAD_TO_SERVER, &wreq->flags))) { set_bit(NETFS_RREQ_UPLOAD_TO_SERVER, &wreq->flags); - wreq->netfs_ops->begin_writeback(wreq); + printk("ino: %lx, sync: %d, wsize: %u, %s\n", wreq->inode->i_ino, wreq->inode->i_state & I_SYNC, wreq->wsize, __func__); + if (wreq->inode->i_state & ~I_SYNC) + wreq->netfs_ops->begin_writeback(wreq); } error = netfs_write_folio(wreq, wbc, folio); diff --git a/mm/filemap.c b/mm/filemap.c index 876cc64aadd7..9176270fe35a 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -438,6 +438,8 @@ static inline int __filemap_fdatawrite(struct address_space *mapping, int filemap_fdatawrite(struct address_space *mapping) { + struct inode *inode = mapping->host; + printk("ino: %lx, sync: %d, %s \n", inode->i_ino, inode->i_state & I_SYNC, __func__); return __filemap_fdatawrite(mapping, WB_SYNC_ALL); } EXPORT_SYMBOL(filemap_fdatawrite);