Date: Thu, 19 Mar 2015 00:04:26 +0000 (UTC) From: "Andrey V. Elsukov" <ae@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r280236 - head/sys/netinet6 Message-ID: <201503190004.t2J04QhF075994@svn.freebsd.org>
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Author: ae Date: Thu Mar 19 00:04:25 2015 New Revision: 280236 URL: https://svnweb.freebsd.org/changeset/base/280236 Log: To avoid a possible race, release the reference to ifa after return from nd6_dad_na_input(). Submitted by: Alexandre Martins MFC after: 1 week Modified: head/sys/netinet6/nd6_nbr.c Modified: head/sys/netinet6/nd6_nbr.c ============================================================================== --- head/sys/netinet6/nd6_nbr.c Wed Mar 18 23:47:30 2015 (r280235) +++ head/sys/netinet6/nd6_nbr.c Thu Mar 19 00:04:25 2015 (r280236) @@ -747,8 +747,8 @@ nd6_na_input(struct mbuf *m, int off, in */ if (ifa && (((struct in6_ifaddr *)ifa)->ia6_flags & IN6_IFF_TENTATIVE)) { - ifa_free(ifa); nd6_dad_na_input(ifa); + ifa_free(ifa); goto freeit; }
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