From patchwork Thu Mar 30 07:05:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arseniy Krasnov X-Patchwork-Id: 13193478 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7ECACC77B61 for ; Thu, 30 Mar 2023 07:09:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230337AbjC3HJO (ORCPT ); Thu, 30 Mar 2023 03:09:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36904 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229640AbjC3HJM (ORCPT ); Thu, 30 Mar 2023 03:09:12 -0400 Received: from mx.sberdevices.ru (mx.sberdevices.ru [45.89.227.171]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A8F652683; Thu, 30 Mar 2023 00:09:10 -0700 (PDT) Received: from s-lin-edge02.sberdevices.ru (localhost [127.0.0.1]) by mx.sberdevices.ru (Postfix) with ESMTP id 01D9E5FD25; Thu, 30 Mar 2023 10:09:09 +0300 (MSK) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sberdevices.ru; s=mail; t=1680160149; bh=wK7GCYWOw+lG9q/p1ToXem8gzHNx+PH+yGZk1ens7jQ=; h=Message-ID:Date:MIME-Version:To:From:Subject:Content-Type; b=VVKgPd2AY8ifTLVP7yz7hKZ9V2P668QZRPGkv+dHfSh2CJr+Tccr+gwCfa5Bd+vVH 1GD73UM4EEZvfRdubWXVW6hMWV2dXWijONQCqgb18STJ245RG3gKu0UPuyN2u6mJyr FbJ1itQszu2ZChMnNq0UfLA1nlx2BtTgSWvFB9m4cY8HoqFF2Yc0kM/3x3tTBJ3YF0 8XO5/Tq8a+bYvGhGX6HcfaqSLCtgC/lKFvQizMZHVVdLgHflAAiVdL9Wemj68swZA4 3PcsAlyoH2o2OlwGEKCZQcesrE3TPxHR8lCEPih/4aNBlhCLsFJeIdvu3dheIxaq7h +J3K0uLxfS2CA== Received: from S-MS-EXCH01.sberdevices.ru (S-MS-EXCH01.sberdevices.ru [172.16.1.4]) by mx.sberdevices.ru (Postfix) with ESMTP; Thu, 30 Mar 2023 10:09:08 +0300 (MSK) Message-ID: Date: Thu, 30 Mar 2023 10:05:45 +0300 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.7.1 Content-Language: en-US In-Reply-To: <60abc0da-0412-6e25-eeb0-8e32e3ec21e7@sberdevices.ru> To: Stefan Hajnoczi , Stefano Garzarella , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Bobby Eshleman , Bryan Tan , Vishnu Dasa CC: , , , , , , , From: Arseniy Krasnov Subject: [RFC PATCH v2 1/3] vsock: return errors other than -ENOMEM to socket X-Originating-IP: [172.16.1.6] X-ClientProxiedBy: S-MS-EXCH01.sberdevices.ru (172.16.1.4) To S-MS-EXCH01.sberdevices.ru (172.16.1.4) X-KSMG-Rule-ID: 4 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Status: not scanned, disabled by settings X-KSMG-AntiSpam-Interceptor-Info: not scanned X-KSMG-AntiPhishing: not scanned, disabled by settings X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 1.1.2.30, bases: 2023/03/30 01:24:00 #21043458 X-KSMG-AntiVirus-Status: Clean, skipped Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org This removes behaviour, where error code returned from any transport was always switched to ENOMEM. This works in the same way as: commit c43170b7e157 ("vsock: return errors other than -ENOMEM to socket"), but for receive calls. Signed-off-by: Arseniy Krasnov --- net/vmw_vsock/af_vsock.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c index 5f2dda35c980..413407bb646c 100644 --- a/net/vmw_vsock/af_vsock.c +++ b/net/vmw_vsock/af_vsock.c @@ -2043,7 +2043,7 @@ static int __vsock_stream_recvmsg(struct sock *sk, struct msghdr *msg, read = transport->stream_dequeue(vsk, msg, len - copied, flags); if (read < 0) { - err = -ENOMEM; + err = read; break; } @@ -2094,7 +2094,7 @@ static int __vsock_seqpacket_recvmsg(struct sock *sk, struct msghdr *msg, msg_len = transport->seqpacket_dequeue(vsk, msg, flags); if (msg_len < 0) { - err = -ENOMEM; + err = msg_len; goto out; } From patchwork Thu Mar 30 07:07:36 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arseniy Krasnov X-Patchwork-Id: 13193479 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EE695C77B61 for ; Thu, 30 Mar 2023 07:11:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230176AbjC3HLQ (ORCPT ); Thu, 30 Mar 2023 03:11:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39454 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229778AbjC3HLO (ORCPT ); Thu, 30 Mar 2023 03:11:14 -0400 Received: from mx.sberdevices.ru (mx.sberdevices.ru [45.89.227.171]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D1B972683; Thu, 30 Mar 2023 00:11:01 -0700 (PDT) Received: from s-lin-edge02.sberdevices.ru (localhost [127.0.0.1]) by mx.sberdevices.ru (Postfix) with ESMTP id 2F7EE5FD25; Thu, 30 Mar 2023 10:11:00 +0300 (MSK) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sberdevices.ru; s=mail; t=1680160260; bh=ggY0SHBEDfjLnsfC/RTR6iP6BEUZWncCZMwnfImDKoE=; h=Message-ID:Date:MIME-Version:To:From:Subject:Content-Type; b=oCPL5TtBEAP6W+v408n4Oq4bR+oEtlA6TQwuISu8BhUWeJ6vYR7TImdW1kVlgZs90 duxxYE/X8+6SNYv6N9KpE6FI8GC9n2O/SWi6Ut7VrTOXaGQJYz1+dGZe457in0uZGl y5YIbaOVdN2mC6LDK7Go27pygHxYUh9GFtoyDdTEnv1j7GfrSTYZthmfcIHj4+oYDp 8+Nc/cfKRp3GDDT6aeZzC8HZweFypZwI1O5vV3TZkCceuSj1YQjlDwNlPTV8dCGr+v Ume3wrtNEBiwc2vSiSJl8z2c0aCB7W7pvCVf5pTSGNCD7iitvuwUqLBsC5yjDvQssJ J4AQmuDNWsjnQ== Received: from S-MS-EXCH01.sberdevices.ru (S-MS-EXCH01.sberdevices.ru [172.16.1.4]) by mx.sberdevices.ru (Postfix) with ESMTP; Thu, 30 Mar 2023 10:11:00 +0300 (MSK) Message-ID: <94d33849-d3c1-7468-72df-f87f897bafd2@sberdevices.ru> Date: Thu, 30 Mar 2023 10:07:36 +0300 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.7.1 Content-Language: en-US In-Reply-To: <60abc0da-0412-6e25-eeb0-8e32e3ec21e7@sberdevices.ru> To: Stefan Hajnoczi , Stefano Garzarella , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Bobby Eshleman , Bryan Tan , Vishnu Dasa CC: , , , , , , , From: Arseniy Krasnov Subject: [RFC PATCH v2 2/3] vsock/vmci: convert VMCI error code to -ENOMEM X-Originating-IP: [172.16.1.6] X-ClientProxiedBy: S-MS-EXCH01.sberdevices.ru (172.16.1.4) To S-MS-EXCH01.sberdevices.ru (172.16.1.4) X-KSMG-Rule-ID: 4 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Status: not scanned, disabled by settings X-KSMG-AntiSpam-Interceptor-Info: not scanned X-KSMG-AntiPhishing: not scanned, disabled by settings X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 1.1.2.30, bases: 2023/03/30 01:24:00 #21043458 X-KSMG-AntiVirus-Status: Clean, skipped Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org This adds conversion of VMCI specific error code to general -ENOMEM. It is needed, because af_vsock.c passes error value returned from transport to the user. Signed-off-by: Arseniy Krasnov --- net/vmw_vsock/vmci_transport.c | 19 ++++++++++++++++--- 1 file changed, 16 insertions(+), 3 deletions(-) diff --git a/net/vmw_vsock/vmci_transport.c b/net/vmw_vsock/vmci_transport.c index 36eb16a40745..45de3e75597f 100644 --- a/net/vmw_vsock/vmci_transport.c +++ b/net/vmw_vsock/vmci_transport.c @@ -1831,10 +1831,17 @@ static ssize_t vmci_transport_stream_dequeue( size_t len, int flags) { + int err; + if (flags & MSG_PEEK) - return vmci_qpair_peekv(vmci_trans(vsk)->qpair, msg, len, 0); + err = vmci_qpair_peekv(vmci_trans(vsk)->qpair, msg, len, 0); else - return vmci_qpair_dequev(vmci_trans(vsk)->qpair, msg, len, 0); + err = vmci_qpair_dequev(vmci_trans(vsk)->qpair, msg, len, 0); + + if (err < 0) + err = -ENOMEM; + + return err; } static ssize_t vmci_transport_stream_enqueue( @@ -1842,7 +1849,13 @@ static ssize_t vmci_transport_stream_enqueue( struct msghdr *msg, size_t len) { - return vmci_qpair_enquev(vmci_trans(vsk)->qpair, msg, len, 0); + int err; + + err = vmci_qpair_enquev(vmci_trans(vsk)->qpair, msg, len, 0); + if (err < 0) + err = -ENOMEM; + + return err; } static s64 vmci_transport_stream_has_data(struct vsock_sock *vsk) From patchwork Thu Mar 30 07:08:55 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arseniy Krasnov X-Patchwork-Id: 13193480 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 618A4C77B61 for ; Thu, 30 Mar 2023 07:12:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230455AbjC3HMd (ORCPT ); Thu, 30 Mar 2023 03:12:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42104 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230104AbjC3HMb (ORCPT ); Thu, 30 Mar 2023 03:12:31 -0400 Received: from mx.sberdevices.ru (mx.sberdevices.ru [45.89.227.171]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 39E4C2686; Thu, 30 Mar 2023 00:12:26 -0700 (PDT) Received: from s-lin-edge02.sberdevices.ru (localhost [127.0.0.1]) by mx.sberdevices.ru (Postfix) with ESMTP id 9068F5FD25; Thu, 30 Mar 2023 10:12:24 +0300 (MSK) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sberdevices.ru; s=mail; t=1680160344; bh=Q1dSLV0WkKrQTTWvKTXPk9LEK5CXRc1NRkFMGJRvt8g=; h=Message-ID:Date:MIME-Version:To:From:Subject:Content-Type; b=Z7s+Tc7fwTVfIdjgrreVorfBYwh8bKlswKxF76azvuzxau0r07Vyoa7hAXC4c0qRa 3fq1fw1Y1LV3y2MBZcXCzC2YxQJ0Tf3UxvfHffmKVV0rWYqyYzvLPG9QvNTxvLrUQf WTrNXnqtXm3FbUbgsOQaN1szRG0WaMf640RbKSGrm/MClOV6Fgb8nPHK2jsSsnU5fq 4FvkJ6CbKLTD77nBfz50JJbXWarp2UtNH9AbpDBKwIC/ZlJJO8jtDkZdifi9CCxCh/ E5v2+5O5E5lTj/8kd9mDPCa7xJiUccludrufUa6lhEUw3ddMCv+fmd9cDwxxVoTT7k 9p0PY9sHZ4Bag== Received: from S-MS-EXCH01.sberdevices.ru (S-MS-EXCH01.sberdevices.ru [172.16.1.4]) by mx.sberdevices.ru (Postfix) with ESMTP; Thu, 30 Mar 2023 10:12:23 +0300 (MSK) Message-ID: <0441efbd-2138-23c8-bda1-e3e0f53c5415@sberdevices.ru> Date: Thu, 30 Mar 2023 10:08:55 +0300 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.7.1 Content-Language: en-US In-Reply-To: <60abc0da-0412-6e25-eeb0-8e32e3ec21e7@sberdevices.ru> To: Stefan Hajnoczi , Stefano Garzarella , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Bobby Eshleman , Bryan Tan , Vishnu Dasa CC: , , , , , , , From: Arseniy Krasnov Subject: [RFC PATCH v2 3/3] vsock/test: update expected return values X-Originating-IP: [172.16.1.6] X-ClientProxiedBy: S-MS-EXCH01.sberdevices.ru (172.16.1.4) To S-MS-EXCH01.sberdevices.ru (172.16.1.4) X-KSMG-Rule-ID: 4 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Status: not scanned, disabled by settings X-KSMG-AntiSpam-Interceptor-Info: not scanned X-KSMG-AntiPhishing: not scanned, disabled by settings X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 1.1.2.30, bases: 2023/03/30 01:24:00 #21043458 X-KSMG-AntiVirus-Status: Clean, skipped Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org This updates expected return values for invalid buffer test. Now such values are returned from transport, not from af_vsock.c. Signed-off-by: Arseniy Krasnov Reviewed-by: Stefano Garzarella --- tools/testing/vsock/vsock_test.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/testing/vsock/vsock_test.c b/tools/testing/vsock/vsock_test.c index 3de10dbb50f5..a91d0ef963be 100644 --- a/tools/testing/vsock/vsock_test.c +++ b/tools/testing/vsock/vsock_test.c @@ -723,7 +723,7 @@ static void test_seqpacket_invalid_rec_buffer_server(const struct test_opts *opt exit(EXIT_FAILURE); } - if (errno != ENOMEM) { + if (errno != EFAULT) { perror("unexpected errno of 'broken_buf'"); exit(EXIT_FAILURE); } @@ -887,7 +887,7 @@ static void test_inv_buf_client(const struct test_opts *opts, bool stream) exit(EXIT_FAILURE); } - if (errno != ENOMEM) { + if (errno != EFAULT) { fprintf(stderr, "unexpected recv(2) errno %d\n", errno); exit(EXIT_FAILURE); }