From owner-svn-src-stable-12@freebsd.org Mon Aug 24 15:54:58 2020 Return-Path: Delivered-To: svn-src-stable-12@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id F312C3C5982; Mon, 24 Aug 2020 15:54:58 +0000 (UTC) (envelope-from trasz@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4BZxXL5yNcz3Xyk; Mon, 24 Aug 2020 15:54:58 +0000 (UTC) (envelope-from trasz@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id B114D1B10D; Mon, 24 Aug 2020 15:54:58 +0000 (UTC) (envelope-from trasz@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 07OFsw7r055159; Mon, 24 Aug 2020 15:54:58 GMT (envelope-from trasz@FreeBSD.org) Received: (from trasz@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 07OFswwa055158; Mon, 24 Aug 2020 15:54:58 GMT (envelope-from trasz@FreeBSD.org) Message-Id: <202008241554.07OFswwa055158@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: trasz set sender to trasz@FreeBSD.org using -f From: Edward Tomasz Napierala Date: Mon, 24 Aug 2020 15:54:58 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r364698 - stable/12/sys/compat/linux X-SVN-Group: stable-12 X-SVN-Commit-Author: trasz X-SVN-Commit-Paths: stable/12/sys/compat/linux X-SVN-Commit-Revision: 364698 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable-12@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: SVN commit messages for only the 12-stable src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 24 Aug 2020 15:54:59 -0000 Author: trasz Date: Mon Aug 24 15:54:58 2020 New Revision: 364698 URL: https://svnweb.freebsd.org/changeset/base/364698 Log: MFC r348058 by dchagin: Do not leak sa in linux_recvmsg() call if kern_recvit() fails. Modified: stable/12/sys/compat/linux/linux_socket.c Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/compat/linux/linux_socket.c ============================================================================== --- stable/12/sys/compat/linux/linux_socket.c Mon Aug 24 15:53:52 2020 (r364697) +++ stable/12/sys/compat/linux/linux_socket.c Mon Aug 24 15:54:58 2020 (r364698) @@ -1162,7 +1162,8 @@ linux_recvmsg_common(struct thread *td, l_int s, struc if (msg->msg_name) { sa = malloc(msg->msg_namelen, M_SONAME, M_WAITOK); msg->msg_name = sa; - } + } else + sa = NULL; uiov = msg->msg_iov; msg->msg_iov = iov; @@ -1179,7 +1180,6 @@ linux_recvmsg_common(struct thread *td, l_int s, struc error = copyout(lsa, PTRIN(msg->msg_name), msg->msg_namelen); free(lsa, M_SONAME); - free(sa, M_SONAME); if (error != 0) goto bad; } @@ -1299,6 +1299,7 @@ bad: } free(iov, M_IOV); free(linux_cmsg, M_LINUX); + free(sa, M_SONAME); return (error); }