Date: Tue, 5 Jun 2012 13:27:37 +0000 (UTC) From: "Bjoern A. Zeeb" <bz@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r236615 - head/sys/netinet6 Message-ID: <201206051327.q55DRbut022183@svn.freebsd.org>
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Author: bz Date: Tue Jun 5 13:27:37 2012 New Revision: 236615 URL: http://svn.freebsd.org/changeset/base/236615 Log: Plug two interface address refcount leaks in early error return cases in the ioctl path. Reported by: rpaulo Reviewed by: emax MFC after: 3 days Modified: head/sys/netinet6/in6.c Modified: head/sys/netinet6/in6.c ============================================================================== --- head/sys/netinet6/in6.c Tue Jun 5 12:34:08 2012 (r236614) +++ head/sys/netinet6/in6.c Tue Jun 5 13:27:37 2012 (r236615) @@ -1667,14 +1667,19 @@ in6_lifaddr_ioctl(struct socket *so, u_l hostid = IFA_IN6(ifa); /* prefixlen must be <= 64. */ - if (64 < iflr->prefixlen) + if (64 < iflr->prefixlen) { + if (ifa != NULL) + ifa_free(ifa); return EINVAL; + } prefixlen = iflr->prefixlen; /* hostid part must be zero. */ sin6 = (struct sockaddr_in6 *)&iflr->addr; if (sin6->sin6_addr.s6_addr32[2] != 0 || sin6->sin6_addr.s6_addr32[3] != 0) { + if (ifa != NULL) + ifa_free(ifa); return EINVAL; } } else
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