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=-6.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,T_DKIMWL_WL_HIGH,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 72C9EC2BCA1 for ; Fri, 7 Jun 2019 15:45:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4C8FA21670 for ; Fri, 7 Jun 2019 15:45:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559922349; bh=e2KFDJLz9Lsataaan3BzvauG6mpgnuRbx5NYfA9C6yU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=At51zfE8KU78DuAzsxiF2R6UWKSzQXmPMsIf99vskDEUjCNduWSaKwNXMCIq0YmXG z6Zx3V81vfSJeuf1Tk/i2D0Wvj39cxfuieRn4PbeXmHXAAa7flFgMriYLt5GvRVZZY 1BKehe+HcefhUXxs4/AlW7awevq+xOBdd/bN/Glk= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731302AbfFGPps (ORCPT ); Fri, 7 Jun 2019 11:45:48 -0400 Received: from mail.kernel.org ([198.145.29.99]:57734 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731238AbfFGPpo (ORCPT ); Fri, 7 Jun 2019 11:45:44 -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 1E75F2146E; Fri, 7 Jun 2019 15:45:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559922343; bh=e2KFDJLz9Lsataaan3BzvauG6mpgnuRbx5NYfA9C6yU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dN45bn++TSBXT+q2wQjJIEs9sK1qVl8M8ddZ1D5rWv/ob3gV2M4Q1tOearuEvlqNh LvEWeNOVOok8DkAtCrtd9Rp2NHf+RquGrqy0z7tN4jwr16+8buf5i8besf3pDXMVjn j7mbCINzSTGuvCNt/iZ1n7gHivr2upIYsidyFt7M= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Benjamin Coddington , XueWei Zhang , "J. Bruce Fields" Subject: [PATCH 4.19 54/73] Revert "lockd: Show pid of lockd for remote locks" Date: Fri, 7 Jun 2019 17:39:41 +0200 Message-Id: <20190607153855.089223436@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190607153848.669070800@linuxfoundation.org> References: <20190607153848.669070800@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: Benjamin Coddington commit 141731d15d6eb2fd9aaefbf9b935ce86ae243074 upstream. This reverts most of commit b8eee0e90f97 ("lockd: Show pid of lockd for remote locks"), which caused remote locks to not be differentiated between remote processes for NLM. We retain the fixup for setting the client's fl_pid to a negative value. Fixes: b8eee0e90f97 ("lockd: Show pid of lockd for remote locks") Cc: stable@vger.kernel.org Signed-off-by: Benjamin Coddington Reviewed-by: XueWei Zhang Signed-off-by: J. Bruce Fields Signed-off-by: Greg Kroah-Hartman --- fs/lockd/xdr.c | 4 ++-- fs/lockd/xdr4.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) --- a/fs/lockd/xdr.c +++ b/fs/lockd/xdr.c @@ -127,7 +127,7 @@ nlm_decode_lock(__be32 *p, struct nlm_lo locks_init_lock(fl); fl->fl_owner = current->files; - fl->fl_pid = current->tgid; + fl->fl_pid = (pid_t)lock->svid; fl->fl_flags = FL_POSIX; fl->fl_type = F_RDLCK; /* as good as anything else */ start = ntohl(*p++); @@ -269,7 +269,7 @@ nlmsvc_decode_shareargs(struct svc_rqst memset(lock, 0, sizeof(*lock)); locks_init_lock(&lock->fl); lock->svid = ~(u32) 0; - lock->fl.fl_pid = current->tgid; + lock->fl.fl_pid = (pid_t)lock->svid; if (!(p = nlm_decode_cookie(p, &argp->cookie)) || !(p = xdr_decode_string_inplace(p, &lock->caller, --- a/fs/lockd/xdr4.c +++ b/fs/lockd/xdr4.c @@ -119,7 +119,7 @@ nlm4_decode_lock(__be32 *p, struct nlm_l locks_init_lock(fl); fl->fl_owner = current->files; - fl->fl_pid = current->tgid; + fl->fl_pid = (pid_t)lock->svid; fl->fl_flags = FL_POSIX; fl->fl_type = F_RDLCK; /* as good as anything else */ p = xdr_decode_hyper(p, &start); @@ -266,7 +266,7 @@ nlm4svc_decode_shareargs(struct svc_rqst memset(lock, 0, sizeof(*lock)); locks_init_lock(&lock->fl); lock->svid = ~(u32) 0; - lock->fl.fl_pid = current->tgid; + lock->fl.fl_pid = (pid_t)lock->svid; if (!(p = nlm4_decode_cookie(p, &argp->cookie)) || !(p = xdr_decode_string_inplace(p, &lock->caller,