From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:49398 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1031675AbdEWUd4 (ORCPT ); Tue, 23 May 2017 16:33:56 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Fred Isaman , Trond Myklebust Subject: [PATCH 4.9 159/164] NFS: Fix use after free in write error path Date: Tue, 23 May 2017 22:09:36 +0200 Message-Id: <20170523200913.889747644@linuxfoundation.org> In-Reply-To: <20170523200907.297534241@linuxfoundation.org> References: <20170523200907.297534241@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org List-ID: 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Fred Isaman commit 1f84ccdf37d0db3a70714d02d51b0b6d45887fb8 upstream. Signed-off-by: Fred Isaman Fixes: 0bcbf039f6b2b ("nfs: handle request add failure properly") Signed-off-by: Trond Myklebust Signed-off-by: Greg Kroah-Hartman --- fs/nfs/write.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -548,9 +548,9 @@ static void nfs_write_error_remove_page( { nfs_unlock_request(req); nfs_end_page_writeback(req); - nfs_release_request(req); generic_error_remove_page(page_file_mapping(req->wb_page), req->wb_page); + nfs_release_request(req); } /*