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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 17A8EC0015E for ; Fri, 11 Aug 2023 12:18:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=xWiewVRCkVIdHK/HKVd2+bhu+4394kIYPKweumz0I5c=; b=4PhHzn+Fna3nnrwOmcJtcqhX1R Jo8xlWBHt5Hbsn6cjuvI0bdpFKPEo6bO5yi0/TRg9VRB+lSBsf9lOlgu6O+5i/GwMAaPr7vqU/3I1 dfIQYWj4eotARENaoIeRGXWSCDVsc8L5wAwCpvNzBFDYbnspqgQOi4NJElglPg7pFLUf4QNfae1zV mNNmBPZsrWRFrGsjzsDYlJUcwokvTOdR0dFQ/ciP/ZFAaV5XOw0V7tzpwSIot+rih/9X/BTJFmurh zNcsAYVMyDRs3QhGXRMCtsTknOss+sB6wFe/oF5mea2LTpq1fWcAH52FSBDB99CJdu44WpKBldy0h qm98S97g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qUR65-00AZIn-29; Fri, 11 Aug 2023 12:18:29 +0000 Received: from smtp-out1.suse.de ([2001:67c:2178:6::1c]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qUR5o-00AZ32-0j for linux-nvme@lists.infradead.org; Fri, 11 Aug 2023 12:18:15 +0000 Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out1.suse.de (Postfix) with ESMTP id 3185F21881; Fri, 11 Aug 2023 12:18:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1691756286; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=xWiewVRCkVIdHK/HKVd2+bhu+4394kIYPKweumz0I5c=; b=xaQWGtbYkcBKOfHhY00x01EYXyL6Bp3IPtWSVWV59OFrgQEnxCv2rVX70lnl2Ix3H5RrgR xMiJIq2211FNcv+t9rwKmQ1EgBmqrT9OVzzjjNoeoeRjV4joWVAu1prLGSY+XD5j0FJ+F7 5AeKhlSI0Fc8PUwrGcapPNiTXjcXl1s= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1691756286; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=xWiewVRCkVIdHK/HKVd2+bhu+4394kIYPKweumz0I5c=; b=j5fesKXilSKSm9F6SiUDcRoYRQyvRByDntNbOk/D3It6+L72MjQILlcSMFNzbKYUaZlP/0 n6BaLry82/kO82DA== Received: from adalid.arch.suse.de (adalid.arch.suse.de [10.161.8.13]) by relay2.suse.de (Postfix) with ESMTP id 1C4F72C153; Fri, 11 Aug 2023 12:18:06 +0000 (UTC) Received: by adalid.arch.suse.de (Postfix, from userid 16045) id 158BF51CAEF6; Fri, 11 Aug 2023 14:18:06 +0200 (CEST) From: Hannes Reinecke To: Christoph Hellwig Cc: Sagi Grimberg , Keith Busch , linux-nvme@lists.infradead.org, Jakub Kicinski , Eric Dumazet , Paolo Abeni , netdev@vger.kernel.org, Hannes Reinecke Subject: [PATCH 09/17] nvme-tcp: control message handling for recvmsg() Date: Fri, 11 Aug 2023 14:17:47 +0200 Message-Id: <20230811121755.24715-10-hare@suse.de> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20230811121755.24715-1-hare@suse.de> References: <20230811121755.24715-1-hare@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230811_051812_416216_24630E67 X-CRM114-Status: GOOD ( 13.22 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org kTLS is sending TLS ALERT messages as control messages for recvmsg(). As we can't do anything sensible with it just abort the connection and let the userspace agent to a re-negotiation. Signed-off-by: Hannes Reinecke Reviewed-by: Sagi Grimberg --- drivers/nvme/host/tcp.c | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c index b50753903194..34b6637a141d 100644 --- a/drivers/nvme/host/tcp.c +++ b/drivers/nvme/host/tcp.c @@ -14,6 +14,7 @@ #include #include #include +#include #include #include #include @@ -1369,6 +1370,8 @@ static int nvme_tcp_init_connection(struct nvme_tcp_queue *queue) { struct nvme_tcp_icreq_pdu *icreq; struct nvme_tcp_icresp_pdu *icresp; + char cbuf[CMSG_LEN(sizeof(char))] = {}; + u8 ctype; struct msghdr msg = {}; struct kvec iov; bool ctrl_hdgst, ctrl_ddgst; @@ -1406,11 +1409,23 @@ static int nvme_tcp_init_connection(struct nvme_tcp_queue *queue) memset(&msg, 0, sizeof(msg)); iov.iov_base = icresp; iov.iov_len = sizeof(*icresp); + if (queue->ctrl->ctrl.opts->tls) { + msg.msg_control = cbuf; + msg.msg_controllen = sizeof(cbuf); + } ret = kernel_recvmsg(queue->sock, &msg, &iov, 1, iov.iov_len, msg.msg_flags); if (ret < 0) goto free_icresp; - + if (queue->ctrl->ctrl.opts->tls) { + ctype = tls_get_record_type(queue->sock->sk, + (struct cmsghdr *)cbuf); + if (ctype != TLS_RECORD_TYPE_DATA) { + pr_err("queue %d: unhandled TLS record %d\n", + nvme_tcp_queue_id(queue), ctype); + return -ENOTCONN; + } + } ret = -EINVAL; if (icresp->hdr.type != nvme_tcp_icresp) { pr_err("queue %d: bad type returned %d\n", -- 2.35.3