Date: Sat, 7 Aug 2021 13:13:41 GMT From: Michael Tuexen <tuexen@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 112899c6afc5 - main - sctp: improve input validation of mapped addresses in sctp_connectx() MFC after: 3 days Message-ID: <202108071313.177DDf8O069975@gitrepo.freebsd.org>
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The branch main has been updated by tuexen: URL: https://cgit.FreeBSD.org/src/commit/?id=112899c6afc5d174445b6ab4738b8eb4de19d835 commit 112899c6afc5d174445b6ab4738b8eb4de19d835 Author: Michael Tuexen <tuexen@FreeBSD.org> AuthorDate: 2021-08-07 13:12:09 +0000 Commit: Michael Tuexen <tuexen@FreeBSD.org> CommitDate: 2021-08-07 13:12:09 +0000 sctp: improve input validation of mapped addresses in sctp_connectx() MFC after: 3 days --- sys/netinet/sctputil.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/sys/netinet/sctputil.c b/sys/netinet/sctputil.c index ad4409f666df..f331fb70ded5 100644 --- a/sys/netinet/sctputil.c +++ b/sys/netinet/sctputil.c @@ -6716,15 +6716,15 @@ sctp_connectx_helper_find(struct sctp_inpcb *inp, struct sockaddr *addr, { struct sockaddr_in6 *sin6; + incr = (unsigned int)sizeof(struct sockaddr_in6); + if (sa->sa_len != incr) { + return (EINVAL); + } sin6 = (struct sockaddr_in6 *)sa; if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { /* Must be non-mapped for connectx */ return (EINVAL); } - incr = (unsigned int)sizeof(struct sockaddr_in6); - if (sa->sa_len != incr) { - return (EINVAL); - } (*num_v6) += 1; break; }
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