From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-488755-1524652445-2-13972867468956895740 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.25, MAILING_LIST_MULTI -1, ME_NOAUTH 0.01, RCVD_IN_DNSWL_HI -5, LANGUAGES en, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='US', FromHeader='org', MailFrom='org' X-Spam-charsets: plain='UTF-8' X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: stable-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=fm2; t= 1524652445; b=Omk8H+kOMgnPiHrVUU3LXNlCYETRAIe2nsqQk3FqgoMyOeS+CU x4ZICLxCK/5IL4dRxNYFjS+jhSECLn5O7KU0Dy+JO53e/kGUVxvRH/TzgMXHiE6L DybzgsNR/MqG1BGr2M4LRxsrq7mMqQQPrnFGxQEw3IsMffPuYsMsZvpaMmxC+OEK i+lvzwM+N5cKRtcpa7HBybqnws0IgV3Tm/R6pA0XPl0lZI2CswQBylzyXxKDzP6q BVecMDLBqLm9S7K3L1c3YxTgAXoFI29tPn2hvTFT+AqMhot4UJdNkHRnlnrb2xYL af+cRmxtzfSB7zJtmEWVNVHDVjS8AujvQYdQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-type:sender :list-id; s=fm2; t=1524652445; bh=1JXe20jiquOTRU/UN44RHKw2+drU0q 1lr5PkXoPoUSE=; b=D0YG5555pXXxMNH26td2lO56oW9Tj+6XIH9tb2Fr7/EyOF eKSd2mN6eRDT74PYXfo/xzqwtu3mSjGnPd4/VGOD/nhQbVQDv9r+/BKzJWcqFps4 f44mpsy0YitzIHPVDLhzYki3cCPgL/D1oMGFEamGwyV3I1gN8uMFqw3TO0jWNLmh ngpKEmxwJteE/gcmJXHcT17DuXu4qXcvi7e5GJv3EAMMBJlgD9A+tZ58x9Csws4L Alq0MHa8Q+Kqn4hJqYFUrBj6+iWJoemlE1Lh9a/CoAS5n2BBQudG/REd7DTAWij0 FoB+4dZjT6D+quGoCuu6aFmq8JFFXJCt5pYF6moQ== ARC-Authentication-Results: i=1; mx2.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-cm=none score=0; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes; x-vs=clean score=-100 state=0 Authentication-Results: mx2.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-cm=none score=0; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes; x-vs=clean score=-100 state=0 X-ME-VSCategory: clean X-CM-Envelope: MS4wfNSfkOjW49sQvQWAcmhdGOJOB4v09N861f0N7+DB88j122NneF+ONX5rqV94KnnBzDjbmBNj/njJYWV/UAYslByMbtC2Jve5PdCbCUnBpJ7v5GEVdmMM 25VehtVq8xfrcuHj46JNvai/ci2gHcIUeSjXCsz+tQ+dPDBdXCFGUd1U4Z8tp/rx5IRpxyp0VZuqPIikIxc/5/TgS42dlOJozIoJMMrY0wCdY+xrllXd18gZ X-CM-Analysis: v=2.3 cv=E8HjW5Vl c=1 sm=1 tr=0 a=UK1r566ZdBxH71SXbqIOeA==:117 a=UK1r566ZdBxH71SXbqIOeA==:17 a=IkcTkHD0fZMA:10 a=Kd1tUaAdevIA:10 a=yMhMjlubAAAA:8 a=VwQbUJbxAAAA:8 a=20KFwNOVAAAA:8 a=ag1SF4gXAAAA:8 a=dihGPPrMb8lbbuB8swMA:9 a=QEXdDO2ut3YA:10 a=AjGcO6oz07-iQ99wixmX:22 a=Yupwre4RP9_Eg_Bd0iYG:22 X-ME-CMScore: 0 X-ME-CMCategory: none Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751705AbeDYKeB (ORCPT ); Wed, 25 Apr 2018 06:34:01 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:50722 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752049AbeDYKdv (ORCPT ); Wed, 25 Apr 2018 06:33:51 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Long Li , Steve French , Ronnie Sahlberg Subject: [PATCH 4.16 01/26] cifs: smbd: Check for iov length on sending the last iov Date: Wed, 25 Apr 2018 12:33:10 +0200 Message-Id: <20180425103314.903215581@linuxfoundation.org> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180425103314.842517924@linuxfoundation.org> References: <20180425103314.842517924@linuxfoundation.org> User-Agent: quilt/0.65 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.16-stable review patch. If anyone has any objections, please let me know. ------------------ From: Long Li commit ab60ee7bf9a84954f50a66a3d835860e80f99b7f upstream. When sending the last iov that breaks into smaller buffers to fit the transfer size, it's necessary to check if this is the last iov. If this is the latest iov, stop and proceed to send pages. Signed-off-by: Long Li Cc: stable@vger.kernel.org Signed-off-by: Steve French Reviewed-by: Ronnie Sahlberg Signed-off-by: Greg Kroah-Hartman --- fs/cifs/smbdirect.c | 2 ++ 1 file changed, 2 insertions(+) --- a/fs/cifs/smbdirect.c +++ b/fs/cifs/smbdirect.c @@ -2194,6 +2194,8 @@ int smbd_send(struct smbd_connection *in goto done; } i++; + if (i == rqst->rq_nvec) + break; } start = i; buflen = 0;