Date: Tue, 21 Oct 2008 09:45:02 +0000 (UTC) From: "Bjoern A. Zeeb" <bz@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-7@freebsd.org Subject: svn commit: r184117 - in stable/7/sys: . netinet6 Message-ID: <200810210945.m9L9j2qG094714@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: bz Date: Tue Oct 21 09:45:02 2008 New Revision: 184117 URL: http://svn.freebsd.org/changeset/base/184117 Log: MFC: r183923 Check that the mbuf len is positive (like we do in the v4 case) to avoid possible panics. PR: kern/119123 Approved by: re (kib) Modified: stable/7/sys/ (props changed) stable/7/sys/netinet6/ip6_output.c Modified: stable/7/sys/netinet6/ip6_output.c ============================================================================== --- stable/7/sys/netinet6/ip6_output.c Tue Oct 21 09:30:42 2008 (r184116) +++ stable/7/sys/netinet6/ip6_output.c Tue Oct 21 09:45:02 2008 (r184117) @@ -2814,7 +2814,7 @@ ip6_setpktopts(struct mbuf *control, str if (control->m_next) return (EINVAL); - for (; control->m_len; control->m_data += CMSG_ALIGN(cm->cmsg_len), + for (; control->m_len > 0; control->m_data += CMSG_ALIGN(cm->cmsg_len), control->m_len -= CMSG_ALIGN(cm->cmsg_len)) { int error;
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200810210945.m9L9j2qG094714>