Author: ae
Date: Thu Mar 26 18:51:00 2015
New Revision: 280707
URL: https://svnweb.freebsd.org/changeset/base/280707
Log:
MFC r280236:
To avoid a possible race, release the reference to ifa after return
from nd6_dad_na_input().
Modified:
stable/9/sys/netinet6/nd6_nbr.c
Directory Properties:
stable/9/sys/ (props changed)
Modified: stable/9/sys/netinet6/nd6_nbr.c
==============================================================================
--- stable/9/sys/netinet6/nd6_nbr.c Thu Mar 26 18:45:51 2015
(r280706)
+++ stable/9/sys/netinet6/nd6_nbr.c Thu Mar 26 18:51:00 2015
(r280707)
@@ -696,8 +696,8 @@ 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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