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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 81562C32792 for ; Thu, 3 Oct 2019 16:34:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 49A4720830 for ; Thu, 3 Oct 2019 16:34:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570120482; bh=ZSr+ymMHWbVbOK74oW3ZFZxpB4i/n3GUFDbjMk3BF4M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=fobs5zWyI0h0MwEKeHLvMNzHITUrZqMLcpu/zaxF1xqCferJ8OOrDJYeDD/MBPNmn Dn0PfErMwmlVBwjpT8BGDawP2n04oGlljuyNoZWst+bUcEzvMeFGFJBM2GfjwSGeVs IBY7vrQECUIa3J2TCgp/AxOgBd65/v70xnpCSJYE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2392122AbfJCQel (ORCPT ); Thu, 3 Oct 2019 12:34:41 -0400 Received: from mail.kernel.org ([198.145.29.99]:43318 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2391775AbfJCQej (ORCPT ); Thu, 3 Oct 2019 12:34:39 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 3D9A620830; Thu, 3 Oct 2019 16:34:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570120478; bh=ZSr+ymMHWbVbOK74oW3ZFZxpB4i/n3GUFDbjMk3BF4M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MhR2wjqG8wNQ0LFe0cplbQn6d5ND7PUmlNee7rNZ+iGxEi8QCF0WaUbK1IW9bC6iw OWLnL64Bl0h0mSkTO5w7+qi7f6QW3+U09zpDud+IPQY+umf4XVrUxRvUcYBzQI7k3s pX6x22kQTD8leeM8BfodAvdxGj0FhrvI24rNc6dk= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Vasily Averin , Miklos Szeredi Subject: [PATCH 5.2 236/313] fuse: fix missing unlock_page in fuse_writepage() Date: Thu, 3 Oct 2019 17:53:34 +0200 Message-Id: <20191003154556.245317543@linuxfoundation.org> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191003154533.590915454@linuxfoundation.org> References: <20191003154533.590915454@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Vasily Averin commit d5880c7a8620290a6c90ced7a0e8bd0ad9419601 upstream. unlock_page() was missing in case of an already in-flight write against the same page. Signed-off-by: Vasily Averin Fixes: ff17be086477 ("fuse: writepage: skip already in flight") Cc: # v3.13 Signed-off-by: Miklos Szeredi Signed-off-by: Greg Kroah-Hartman --- fs/fuse/file.c | 1 + 1 file changed, 1 insertion(+) --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -1767,6 +1767,7 @@ static int fuse_writepage(struct page *p WARN_ON(wbc->sync_mode == WB_SYNC_ALL); redirty_page_for_writepage(wbc, page); + unlock_page(page); return 0; }