From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dresden.studentenwerk.mhn.de ([141.84.225.229]:59022 "EHLO email.studentenwerk.mhn.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751297AbeA2M3p (ORCPT ); Mon, 29 Jan 2018 07:29:45 -0500 Received: from mailhub.studentenwerk.mhn.de (mailhub.studentenwerk.mhn.de [127.0.0.1]) by email.studentenwerk.mhn.de (Postfix) with ESMTP id 3zVTDW43LTzMktN for ; Mon, 29 Jan 2018 13:22:51 +0100 (CET) From: Wolfgang Walter To: stable@vger.kernel.org Subject: NFS: regression in stable kernel 4.9.78 from 4.9.75 Date: Mon, 29 Jan 2018 13:22:49 +0100 Message-ID: <2316958.ApAh1ic5rg@stwm.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8BIT Content-Type: text/plain; charset="iso-8859-1" Sender: stable-owner@vger.kernel.org List-ID: Hello, after upgrading our nfs-server from 4.9.75 to 4.9.78 group permissions stop working (for clients). If you need group permissions to access a file or directory, sometimes access is granted, but rather often denied. Often access to the same object is denied within seconds after access was granted in an earlier access. user permissions work fine. Downgrading to 4.9.75 fixes the issue. We use kerberos. Regards, -- Wolfgang Walter Studentenwerk M�nchen Anstalt des �ffentlichen Rechts