From owner-dev-commits-src-branches@freebsd.org Tue Jun 8 10:24:27 2021 Return-Path: Delivered-To: dev-commits-src-branches@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 9F7AE65D177; Tue, 8 Jun 2021 10:24:27 +0000 (UTC) (envelope-from git@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 "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4FzmZ33t20z3tGW; Tue, 8 Jun 2021 10:24:27 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (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 did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 6DA3E27497; Tue, 8 Jun 2021 10:24:27 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 158AORtD021422; Tue, 8 Jun 2021 10:24:27 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 158AOR1C021421; Tue, 8 Jun 2021 10:24:27 GMT (envelope-from git) Date: Tue, 8 Jun 2021 10:24:27 GMT Message-Id: <202106081024.158AOR1C021421@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Lutz Donnerhacke Subject: git: 39917ef2a85f - stable/12 - ng_parse: IP address parsing in netgraph eating too many characters MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: donner X-Git-Repository: src X-Git-Refname: refs/heads/stable/12 X-Git-Reftype: branch X-Git-Commit: 39917ef2a85fa92a641bd6be346068f6097c8e98 Auto-Submitted: auto-generated X-BeenThere: dev-commits-src-branches@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commits to the stable branches of the FreeBSD src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 08 Jun 2021 10:24:27 -0000 The branch stable/12 has been updated by donner: URL: https://cgit.FreeBSD.org/src/commit/?id=39917ef2a85fa92a641bd6be346068f6097c8e98 commit 39917ef2a85fa92a641bd6be346068f6097c8e98 Author: Markus Stoff AuthorDate: 2021-05-18 20:35:33 +0000 Commit: Lutz Donnerhacke CommitDate: 2021-06-08 10:23:49 +0000 ng_parse: IP address parsing in netgraph eating too many characters Once the final component of the IP address has been parsed, the offset on the input must not be advanced, as this would remove an unparsed character from the input. Submitted by: Markus Stoff Reviewed by: donner Differential Revision: https://reviews.freebsd.org/D26489 (cherry picked from commit 63b6a08ce2467b8e230e7a4ecb3e1ddf1b48851c) --- sys/netgraph/ng_parse.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/sys/netgraph/ng_parse.c b/sys/netgraph/ng_parse.c index b08cecd102e9..7297756c796d 100644 --- a/sys/netgraph/ng_parse.c +++ b/sys/netgraph/ng_parse.c @@ -961,9 +961,11 @@ ng_ipaddr_parse(const struct ng_parse_type *type, if ((error = ng_int8_parse(&ng_parse_int8_type, s, off, start, buf + i, buflen)) != 0) return (error); - if (i < 3 && s[*off] != '.') - return (EINVAL); - (*off)++; + if (i < 3) { + if (s[*off] != '.') + return (EINVAL); + (*off)++; + } } *buflen = 4; return (0);