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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1CF43C433EF for ; Mon, 1 Nov 2021 09:46:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0213660EBC for ; Mon, 1 Nov 2021 09:46:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232179AbhKAJtN (ORCPT ); Mon, 1 Nov 2021 05:49:13 -0400 Received: from mail.kernel.org ([198.145.29.99]:51088 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232929AbhKAJo6 (ORCPT ); Mon, 1 Nov 2021 05:44:58 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id C8E876121E; Mon, 1 Nov 2021 09:29:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1635758989; bh=mihaGiEok+Hj226MMQ1qfWL5u3i23tWW2o5SAc+iwIU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iUwy2Ws7yjewCs6+bQH1aRlddEyXRShX0A93XG99/zE8/qlizLamt6IcIiVmA6O2m x7kuZsH2vMvvkvheDiLXu5Rfx6gJ6MhQW8rnENqy+4t3m4OMtFiB8q8b3zEaiSRYfQ mnVDBvfGz9gdBunCm2JZ4ITadvn8kihaqZSAphkU= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Varun Prakash , Sagi Grimberg , Christoph Hellwig Subject: [PATCH 5.14 066/125] nvme-tcp: fix data digest pointer calculation Date: Mon, 1 Nov 2021 10:17:19 +0100 Message-Id: <20211101082545.650531163@linuxfoundation.org> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211101082533.618411490@linuxfoundation.org> References: <20211101082533.618411490@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Varun Prakash commit d89b9f3bbb58e9e378881209756b0723694f22ff upstream. ddgst is of type __le32, &req->ddgst + req->offset increases &req->ddgst by 4 * req->offset, fix this by type casting &req->ddgst to u8 *. Fixes: 3f2304f8c6d6 ("nvme-tcp: add NVMe over TCP host driver") Signed-off-by: Varun Prakash Reviewed-by: Sagi Grimberg Signed-off-by: Christoph Hellwig Signed-off-by: Greg Kroah-Hartman --- drivers/nvme/host/tcp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/nvme/host/tcp.c +++ b/drivers/nvme/host/tcp.c @@ -1040,7 +1040,7 @@ static int nvme_tcp_try_send_ddgst(struc int ret; struct msghdr msg = { .msg_flags = MSG_DONTWAIT }; struct kvec iov = { - .iov_base = &req->ddgst + req->offset, + .iov_base = (u8 *)&req->ddgst + req->offset, .iov_len = NVME_TCP_DIGEST_LENGTH - req->offset };