From owner-svn-src-all@freebsd.org Sat Nov 7 21:17:50 2020 Return-Path: Delivered-To: svn-src-all@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 1ABC62D1E4C; Sat, 7 Nov 2020 21:17:50 +0000 (UTC) (envelope-from tuexen@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 4CT98F72g3z3pQn; Sat, 7 Nov 2020 21:17:49 +0000 (UTC) (envelope-from tuexen@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 E003514EED; Sat, 7 Nov 2020 21:17:49 +0000 (UTC) (envelope-from tuexen@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 0A7LHnPh054448; Sat, 7 Nov 2020 21:17:49 GMT (envelope-from tuexen@FreeBSD.org) Received: (from tuexen@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 0A7LHnKR054447; Sat, 7 Nov 2020 21:17:49 GMT (envelope-from tuexen@FreeBSD.org) Message-Id: <202011072117.0A7LHnKR054447@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: tuexen set sender to tuexen@FreeBSD.org using -f From: Michael Tuexen Date: Sat, 7 Nov 2020 21:17:49 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r367464 - head/sys/kern X-SVN-Group: head X-SVN-Commit-Author: tuexen X-SVN-Commit-Paths: head/sys/kern X-SVN-Commit-Revision: 367464 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 07 Nov 2020 21:17:50 -0000 Author: tuexen Date: Sat Nov 7 21:17:49 2020 New Revision: 367464 URL: https://svnweb.freebsd.org/changeset/base/367464 Log: The ioctl() calls using FIONREAD, FIONWRITE, FIONSPACE, and SIOCATMARK access the socket send or receive buffer. This is not possible for listening sockets since r319722. Because send()/recv() calls fail on listening sockets, fail also ioctl() indicating EINVAL. PR: 250366 Reported by: Yong-Hao Zou Reviewed by: glebius, rscheff MFC after: 1 week Sponsored by: Netflix, Inc. Differential Revision: https://reviews.freebsd.org/D26897 Modified: head/sys/kern/sys_socket.c Modified: head/sys/kern/sys_socket.c ============================================================================== --- head/sys/kern/sys_socket.c Sat Nov 7 19:57:19 2020 (r367463) +++ head/sys/kern/sys_socket.c Sat Nov 7 21:17:49 2020 (r367464) @@ -207,21 +207,34 @@ soo_ioctl(struct file *fp, u_long cmd, void *data, str case FIONREAD: /* Unlocked read. */ - *(int *)data = sbavail(&so->so_rcv); + if (SOLISTENING(so)) { + error = EINVAL; + } else { + *(int *)data = sbavail(&so->so_rcv); + } break; case FIONWRITE: /* Unlocked read. */ - *(int *)data = sbavail(&so->so_snd); + if (SOLISTENING(so)) { + error = EINVAL; + } else { + *(int *)data = sbavail(&so->so_snd); + } break; case FIONSPACE: /* Unlocked read. */ - if ((so->so_snd.sb_hiwat < sbused(&so->so_snd)) || - (so->so_snd.sb_mbmax < so->so_snd.sb_mbcnt)) - *(int *)data = 0; - else - *(int *)data = sbspace(&so->so_snd); + if (SOLISTENING(so)) { + error = EINVAL; + } else { + if ((so->so_snd.sb_hiwat < sbused(&so->so_snd)) || + (so->so_snd.sb_mbmax < so->so_snd.sb_mbcnt)) { + *(int *)data = 0; + } else { + *(int *)data = sbspace(&so->so_snd); + } + } break; case FIOSETOWN: @@ -242,7 +255,11 @@ soo_ioctl(struct file *fp, u_long cmd, void *data, str case SIOCATMARK: /* Unlocked read. */ - *(int *)data = (so->so_rcv.sb_state & SBS_RCVATMARK) != 0; + if (SOLISTENING(so)) { + error = EINVAL; + } else { + *(int *)data = (so->so_rcv.sb_state & SBS_RCVATMARK) != 0; + } break; default: /*