Author: oleg
Date: Sun Apr 21 21:28:38 2013
New Revision: 249742
URL: http://svnweb.freebsd.org/changeset/base/249742
Log:
Plug static llentry leak (ipv4 & ipv6 were affected).
PR: kern/172985
MFC after: 1 month
Modified:
head/sys/netinet/in.c
head/sys/netinet6/in6.c
Modified: head/sys/netinet/in.c
==============================================================================
--- head/sys/netinet/in.c Sun Apr 21 20:51:53 2013 (r249741)
+++ head/sys/netinet/in.c Sun Apr 21 21:28:38 2013 (r249742)
@@ -1467,10 +1467,14 @@ in_lltable_lookup(struct lltable *llt, u
LLE_WLOCK(lle);
lle->la_flags |= LLE_DELETED;
EVENTHANDLER_INVOKE(lle_event, lle, LLENTRY_DELETED);
- LLE_WUNLOCK(lle);
#ifdef DIAGNOSTIC
- log(LOG_INFO, "ifaddr cache = %p is deleted\n", lle);
+ log(LOG_INFO, "ifaddr cache = %p is deleted\n", lle);
#endif
+ if ((lle->la_flags &
+ (LLE_STATIC | LLE_IFADDR)) == LLE_STATIC)
+ llentry_free(lle);
+ else
+ LLE_WUNLOCK(lle);
}
lle = (void *)-1;
Modified: head/sys/netinet6/in6.c
==============================================================================
--- head/sys/netinet6/in6.c Sun Apr 21 20:51:53 2013 (r249741)
+++ head/sys/netinet6/in6.c Sun Apr 21 21:28:38 2013 (r249742)
@@ -195,10 +195,10 @@ in6_ifremloop(struct ifaddr *ifa)
ia = ifa2ia6(ifa);
ifp = ifa->ifa_ifp;
- IF_AFDATA_LOCK(ifp);
- lla_lookup(LLTABLE6(ifp), (LLE_DELETE | LLE_IFADDR),
- (struct sockaddr *)&ia->ia_addr);
- IF_AFDATA_UNLOCK(ifp);
+ memcpy(&addr, &ia->ia_addr, sizeof(ia->ia_addr));
+ memcpy(&mask, &ia->ia_prefixmask, sizeof(ia->ia_prefixmask));
+ lltable_prefix_free(AF_INET6, (struct sockaddr *)&addr,
+ (struct sockaddr *)&mask, LLE_STATIC);
/*
* initialize for rtmsg generation
@@ -210,8 +210,6 @@ in6_ifremloop(struct ifaddr *ifa)
gateway.sdl_alen = ifp->if_addrlen;
bzero(&rt0, sizeof(rt0));
rt0.rt_gateway = (struct sockaddr *)&gateway;
- memcpy(&mask, &ia->ia_prefixmask, sizeof(ia->ia_prefixmask));
- memcpy(&addr, &ia->ia_addr, sizeof(ia->ia_addr));
rt_mask(&rt0) = (struct sockaddr *)&mask;
rt_key(&rt0) = (struct sockaddr *)&addr;
rt0.rt_flags = RTF_HOST | RTF_STATIC;
@@ -2604,10 +2602,14 @@ in6_lltable_lookup(struct lltable *llt,
if (!(lle->la_flags & LLE_IFADDR) || (flags & LLE_IFADDR)) {
LLE_WLOCK(lle);
lle->la_flags |= LLE_DELETED;
- LLE_WUNLOCK(lle);
#ifdef DIAGNOSTIC
- log(LOG_INFO, "ifaddr cache = %p is deleted\n", lle);
+ log(LOG_INFO, "ifaddr cache = %p is deleted\n", lle);
#endif
+ if ((lle->la_flags &
+ (LLE_STATIC | LLE_IFADDR)) == LLE_STATIC)
+ llentry_free(lle);
+ else
+ LLE_WUNLOCK(lle);
}
lle = (void *)-1;
}
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