From owner-freebsd-emulation@freebsd.org Thu Feb 21 02:59:00 2019 Return-Path: Delivered-To: freebsd-emulation@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id D95CC14EBC1D for ; Thu, 21 Feb 2019 02:58:59 +0000 (UTC) (envelope-from Weike.Chen@dell.com) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id 0E40886A85 for ; Thu, 21 Feb 2019 02:58:59 +0000 (UTC) (envelope-from Weike.Chen@dell.com) Received: by mailman.ysv.freebsd.org (Postfix) id BBDA914EBC1B; Thu, 21 Feb 2019 02:58:58 +0000 (UTC) Delivered-To: emulation@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 946E914EBC19 for ; Thu, 21 Feb 2019 02:58:58 +0000 (UTC) (envelope-from Weike.Chen@dell.com) Received: from esa4.dell-outbound.iphmx.com (esa4.dell-outbound.iphmx.com [68.232.149.214]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "*.dell-outbound.iphmx.com", Issuer "Go Daddy Secure Certificate Authority - G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 0044E86A77 for ; Thu, 21 Feb 2019 02:58:46 +0000 (UTC) (envelope-from Weike.Chen@dell.com) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=dell.com; i=@dell.com; q=dns/txt; s=smtpout; t=1550717927; x=1582253927; h=from:to:subject:date:message-id: content-transfer-encoding:mime-version; bh=lt8eNdGNxGd1E+mSxsqfj16zBHubX3Lz+nr8gl8bCT0=; b=smHLyZ0qIbSpl/K9gxi1J54AbR74Wq5YaeO85hsQIG4IIOHR692jR5ib WIydvwgoyVvpfQInGSDToIZVmcglx0KXLyrjWgRZZ3CTWnTIw5bLRrR+P mjPZZbAVo1ngCpiVACNhHJ0AzVWFeoQJx/XqOUjoQDEDvYeRMnc6z4tSH w=; X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: =?us-ascii?q?A2E7AACiEm5chieV50NkHQEBBQEHBQG?= =?us-ascii?q?BUwYBCwGDbScKjHaLCZorgXsLAQGIYyI2Bw0BAwEBAgEBAgEBAhABAQEKCQs?= =?us-ascii?q?IKS+COiKDCCgxHAQBPiZCAQQTCBqCfoFzoVA9Am2BAYkHAQEBgh6KMAWMP4I?= =?us-ascii?q?Wg3UBAYV6hRMCo04HAoF3kFwhkwecSwIEAgQFAhSBTQGCCHCDPIFzAUKOJ0A?= =?us-ascii?q?BMY5sgR8BAQ?= X-IPAS-Result: =?us-ascii?q?A2E7AACiEm5chieV50NkHQEBBQEHBQGBUwYBCwGDbScKj?= =?us-ascii?q?HaLCZorgXsLAQGIYyI2Bw0BAwEBAgEBAgEBAhABAQEKCQsIKS+COiKDCCgxH?= =?us-ascii?q?AQBPiZCAQQTCBqCfoFzoVA9Am2BAYkHAQEBgh6KMAWMP4IWg3UBAYV6hRMCo?= =?us-ascii?q?04HAoF3kFwhkwecSwIEAgQFAhSBTQGCCHCDPIFzAUKOJ0ABMY5sgR8BAQ?= Received: from mx0a-00154901.pphosted.com ([67.231.149.39]) by esa4.dell-outbound.iphmx.com with ESMTP/TLS/AES256-SHA256; 20 Feb 2019 20:58:24 -0600 Received: from pps.filterd (m0133268.ppops.net [127.0.0.1]) by mx0a-00154901.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x1L2w0qd021706 for ; Wed, 20 Feb 2019 21:58:24 -0500 Received: from esa3.dell-outbound2.iphmx.com (esa3.dell-outbound2.iphmx.com [68.232.154.63]) by mx0a-00154901.pphosted.com with ESMTP id 2qpdmup73c-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL) for ; Wed, 20 Feb 2019 21:58:24 -0500 From: Received: from ausc60pc101.us.dell.com ([143.166.85.206]) by esa3.dell-outbound2.iphmx.com with ESMTP/TLS/DHE-RSA-AES256-SHA256; 21 Feb 2019 08:58:11 +0600 X-LoopCount0: from 10.166.132.195 X-IronPort-AV: E=Sophos;i="5.58,393,1544508000"; d="scan'208";a="1364397880" To: Subject: Potential issues for linux socket syscall Thread-Topic: Potential issues for linux socket syscall Thread-Index: AdTJkRnjdwi27OiDRimGEvJTL1Wi7Q== Date: Thu, 21 Feb 2019 02:57:23 +0000 Message-ID: Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.93.131.111] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-02-21_03:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=623 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1902210021 X-Rspamd-Queue-Id: 0044E86A77 X-Spamd-Bar: ------- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=dell.com header.s=smtpout header.b=smHLyZ0q; dmarc=pass (policy=none) header.from=Dell.com; spf=pass (mx1.freebsd.org: domain of Weike.Chen@dell.com designates 68.232.149.214 as permitted sender) smtp.mailfrom=Weike.Chen@dell.com X-Spamd-Result: default: False [-7.92 / 15.00]; HAS_XOIP(0.00)[]; R_SPF_ALLOW(-0.20)[+a:mx2.dell-outbound.iphmx.com]; TO_DN_NONE(0.00)[]; DKIM_TRACE(0.00)[dell.com:+]; DMARC_POLICY_ALLOW(-0.50)[Dell.com,none]; MX_GOOD(-0.01)[mx1.dellcorporate.iphmx.com, mx2.dellcorporate.iphmx.com, mx1.dellcorporate.iphmx.com, mx2.dellcorporate.iphmx.com, mx1.dellcorporate.iphmx.com, mx2.dellcorporate.iphmx.com, mx1.dellcorporate.iphmx.com, mx2.dellcorporate.iphmx.com, mx1.dellcorporate.iphmx.com, mx2.dellcorporate.iphmx.com, mx1.dellcorporate.iphmx.com, mx2.dellcorporate.iphmx.com, mx1.dellcorporate.iphmx.com, mx2.dellcorporate.iphmx.com, mx1.dellcorporate.iphmx.com, mx2.dellcorporate.iphmx.com, mx1.dellcorporate.iphmx.com, mx2.dellcorporate.iphmx.com, mx1.dellcorporate.iphmx.com, mx2.dellcorporate.iphmx.com, mx1.dellcorporate.iphmx.com, mx2.dellcorporate.iphmx.com, mx1.dellcorporate.iphmx.com, mx2.dellcorporate.iphmx.com, mx1.dellcorporate.iphmx.com, mx2.dellcorporate.iphmx.com, mx1.dellcorporate.iphmx.com, mx2.dellcorporate.iphmx.com, mx1.dellcorporate.iphmx.com, mx2.dellcorporate.iphmx.com, mx1.dellcorporate.iphmx.com, mx2.dellcorporate.iphmx.com, mx1.dellcorporate.iphmx.com, mx2.dellcorporate.iphmx.com, mx1.dellcorporate.iphmx.com, m x2.dellcorporate.iphmx.com,mx1.dellcorporate.iphmx.com,mx2.dellcorporate.iphmx.com,mx1.dellcorporate.iphmx.com,mx2.dellcorporate.iphmx.com,mx1.dellcorporate.iphmx.com,mx2.dellcorporate.iphmx.com,mx1.dellcorporate.iphmx.com,mx2.dellcorporate.iphmx.com,mx1.dellcorporate.iphmx.com,mx2.dellcorporate.iphmx.com,mx1.dellcorporate.iphmx.com,mx2.dellcorporate.iphmx.com,mx1.dellcorporate.iphmx.com,mx2.dellcorporate.iphmx.com,mx1.dellcorporate.iphmx.com,mx2.dellcorporate.iphmx.com,mx1.dellcorporate.iphmx.com,mx2.dellcorporate.iphmx.com]; NEURAL_HAM_SHORT(-0.81)[-0.811,0]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:16417, ipnet:68.232.148.0/23, country:US]; IP_SCORE(-1.00)[ipnet: 68.232.148.0/23(-3.27), asn: 16417(-1.66), country: US(-0.07)]; RCVD_IN_DNSWL_LOW(-0.10)[214.149.232.68.list.dnswl.org : 127.0.3.1]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[dell.com:s=smtpout]; RCVD_COUNT_FIVE(0.00)[5]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[emulation@freebsd.org]; RCPT_COUNT_ONE(0.00)[1]; FROM_NO_DN(0.00)[]; WHITELIST_SPF_DKIM(-3.00)[dell.com:d:+,dell.com:s:+] X-BeenThere: freebsd-emulation@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development of Emulators of other operating systems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 21 Feb 2019 02:59:00 -0000 Hi Linux emulation experts, I find a potential issue on FreeBSD 12 official release for Linux emulation= syscall. The function 'linux_getsockname' in 'linux_socket.c' calls 'bsd_to_linux_so= ckaddr', and it calls 'bsd_to_linux_domain' to convert 'sa_family' from BSD= domain to Linux domain. But after calling 'bsd_to_linux_sockaddr', 'linux_sa_put' is called, and i= t calls 'bsd_to_linux_domain' to convert 'sa_family' from BSD domain to Lin= ux domain again. But the 'sa_family' has already been converted. Since the value of AF_INTE6 and LINUX_AF_INET6 is different, and converting= twice will cause issue.=20 Regards, Alvin Chen Dell | Cloud Client Computing office +86-10-82862506, fax +86-10-82861554, Dell Lync 8672506 weike_chen@dell.com