Module Name: src
Committed By: msaitoh
Date: Wed Jun 18 09:34:27 UTC 2014
Modified Files:
src/sys/dist/ipf/netinet [netbsd-6-1]: ip_fil_netbsd.c
src/sys/net [netbsd-6-1]: if_ethersubr.c if_loop.c if_vlan.c
src/sys/netinet [netbsd-6-1]: if_arp.c ip_carp.c
src/sys/netinet6 [netbsd-6-1]: ip6_flow.c nd6.c
src/sys/rump/librump/rumpkern [netbsd-6-1]: klock.c
Log Message:
Pull up following revision(s) (requested by bouyer in ticket #1067):
sys/dist/ipf/netinet/ip_fil_netbsd.c 1.9 via patch
sys/net/if_ethersubr.c 1.197 via patch
sys/net/if_loop.c 1.77 via patch
sys/net/if_vlan.c 1.70 via patch
sys/netinet/if_arp.c 1.158
sys/netinet/ip_carp.c 1.54 via patch
sys/netinet6/ip6_flow.c 1.23 via patch
sys/netinet6/nd6.c 1.150 via patch
sys/rump/librump/rumpkern/klock.c 1.4
Make sure *(if_output)() is called with KERNEL_LOCK held to avoid mbuf leak.
See http://mail-index.netbsd.org/tech-net/2014/04/09/msg004511.html
for details. For netinet6, the problem report, fix and test were done
by njoly@ on current-users@
To generate a diff of this commit:
cvs rdiff -u -r1.61.2.1 -r1.61.2.1.2.1 \
src/sys/dist/ipf/netinet/ip_fil_netbsd.c
cvs rdiff -u -r1.188.8.3 -r1.188.8.3.2.1 src/sys/net/if_ethersubr.c
cvs rdiff -u -r1.75 -r1.75.18.1 src/sys/net/if_loop.c
cvs rdiff -u -r1.69 -r1.69.22.1 src/sys/net/if_vlan.c
cvs rdiff -u -r1.154 -r1.154.16.1 src/sys/netinet/if_arp.c
cvs rdiff -u -r1.47.4.1 -r1.47.4.1.6.1 src/sys/netinet/ip_carp.c
cvs rdiff -u -r1.19.2.1 -r1.19.2.1.2.1 src/sys/netinet6/ip6_flow.c
cvs rdiff -u -r1.141.8.2 -r1.141.8.3 src/sys/netinet6/nd6.c
cvs rdiff -u -r1.3 -r1.3.20.1 src/sys/rump/librump/rumpkern/klock.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dist/ipf/netinet/ip_fil_netbsd.c
diff -u src/sys/dist/ipf/netinet/ip_fil_netbsd.c:1.61.2.1 src/sys/dist/ipf/netinet/ip_fil_netbsd.c:1.61.2.1.2.1
--- src/sys/dist/ipf/netinet/ip_fil_netbsd.c:1.61.2.1 Fri Feb 8 19:54:45 2013
+++ src/sys/dist/ipf/netinet/ip_fil_netbsd.c Wed Jun 18 09:34:26 2014
@@ -1,4 +1,4 @@
-/* $NetBSD: ip_fil_netbsd.c,v 1.61.2.1 2013/02/08 19:54:45 riz Exp $ */
+/* $NetBSD: ip_fil_netbsd.c,v 1.61.2.1.2.1 2014/06/18 09:34:26 msaitoh Exp $ */
/*
* Copyright (C) 1993-2003 by Darren Reed.
@@ -8,7 +8,7 @@
#if !defined(lint)
#if defined(__NetBSD__)
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ip_fil_netbsd.c,v 1.61.2.1 2013/02/08 19:54:45 riz Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ip_fil_netbsd.c,v 1.61.2.1.2.1 2014/06/18 09:34:26 msaitoh Exp $");
#else
static const char sccsid[] = "@(#)ip_fil.c 2.41 6/5/96 (C) 1993-2000 Darren Reed";
static const char rcsid[] = "@(#)Id: ip_fil_netbsd.c,v 2.55.2.67 2009/12/19 05:41:08 darrenr Exp";
@@ -1377,11 +1377,13 @@ fr_fastroute(mb_t *m0, mb_t **mpp, fr_in
if (!ip->ip_sum)
ip->ip_sum = in_cksum(m, hlen);
# endif /* M_CSUM_IPv4 */
+ KERNEL_LOCK(1, NULL);
# if __NetBSD_Version__ >= 499001100
error = (*ifp->if_output)(ifp, m, dst, rt);
# else
error = (*ifp->if_output)(ifp, m, (struct sockaddr *)dst, rt);
# endif
+ KERNEL_UNLOCK_ONE(NULL);
if (i) {
ip->ip_len = ntohs(ip->ip_len);
ip->ip_off = ntohs(ip->ip_off);
@@ -1471,6 +1473,7 @@ sendorfree:
for (m = m0; m; m = m0) {
m0 = m->m_act;
m->m_act = 0;
+ KERNEL_LOCK(1, NULL);
# if __NetBSD_Version__ >= 499001100
if (error == 0)
error = (*ifp->if_output)(ifp, m, dst, rt);
@@ -1483,6 +1486,7 @@ sendorfree:
else
FREE_MB_T(m);
# endif
+ KERNEL_UNLOCK_ONE(NULL);
}
}
done:
Index: src/sys/net/if_ethersubr.c
diff -u src/sys/net/if_ethersubr.c:1.188.8.3 src/sys/net/if_ethersubr.c:1.188.8.3.2.1
--- src/sys/net/if_ethersubr.c:1.188.8.3 Wed Oct 31 16:07:46 2012
+++ src/sys/net/if_ethersubr.c Wed Jun 18 09:34:27 2014
@@ -1,4 +1,4 @@
-/* $NetBSD: if_ethersubr.c,v 1.188.8.3 2012/10/31 16:07:46 riz Exp $ */
+/* $NetBSD: if_ethersubr.c,v 1.188.8.3.2.1 2014/06/18 09:34:27 msaitoh Exp $ */
/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -61,7 +61,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_ethersubr.c,v 1.188.8.3 2012/10/31 16:07:46 riz Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_ethersubr.c,v 1.188.8.3.2.1 2014/06/18 09:34:27 msaitoh Exp $");
#include "opt_inet.h"
#include "opt_atalk.h"
@@ -222,6 +222,8 @@ ether_output(struct ifnet * const ifp0,
struct at_ifaddr *aa;
#endif /* NETATALK */
+ KASSERT(KERNEL_LOCKED_P());
+
#ifdef MBUFTRACE
m_claimm(m, ifp->if_mowner);
#endif
Index: src/sys/net/if_loop.c
diff -u src/sys/net/if_loop.c:1.75 src/sys/net/if_loop.c:1.75.18.1
--- src/sys/net/if_loop.c:1.75 Mon Jun 20 09:43:27 2011
+++ src/sys/net/if_loop.c Wed Jun 18 09:34:27 2014
@@ -1,4 +1,4 @@
-/* $NetBSD: if_loop.c,v 1.75 2011/06/20 09:43:27 kefren Exp $ */
+/* $NetBSD: if_loop.c,v 1.75.18.1 2014/06/18 09:34:27 msaitoh Exp $ */
/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -65,7 +65,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_loop.c,v 1.75 2011/06/20 09:43:27 kefren Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_loop.c,v 1.75.18.1 2014/06/18 09:34:27 msaitoh Exp $");
#include "opt_inet.h"
#include "opt_atalk.h"
@@ -222,6 +222,8 @@ looutput(struct ifnet *ifp, struct mbuf
int csum_flags;
MCLAIM(m, ifp->if_mowner);
+ KASSERT(KERNEL_LOCKED_P());
+
if ((m->m_flags & M_PKTHDR) == 0)
panic("looutput: no header mbuf");
if (ifp->if_flags & IFF_LOOPBACK)
Index: src/sys/net/if_vlan.c
diff -u src/sys/net/if_vlan.c:1.69 src/sys/net/if_vlan.c:1.69.22.1
--- src/sys/net/if_vlan.c:1.69 Wed Oct 19 22:07:09 2011
+++ src/sys/net/if_vlan.c Wed Jun 18 09:34:27 2014
@@ -1,4 +1,4 @@
-/* $NetBSD: if_vlan.c,v 1.69 2011/10/19 22:07:09 dyoung Exp $ */
+/* $NetBSD: if_vlan.c,v 1.69.22.1 2014/06/18 09:34:27 msaitoh Exp $ */
/*-
* Copyright (c) 2000, 2001 The NetBSD Foundation, Inc.
@@ -78,7 +78,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_vlan.c,v 1.69 2011/10/19 22:07:09 dyoung Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_vlan.c,v 1.69.22.1 2014/06/18 09:34:27 msaitoh Exp $");
#include "opt_inet.h"
@@ -681,6 +681,8 @@ vlan_start(struct ifnet *ifp)
int error;
ALTQ_DECL(struct altq_pktattr pktattr;)
+ KASSERT(KERNEL_LOCKED_P());
+
ifp->if_flags |= IFF_OACTIVE;
for (;;) {
Index: src/sys/netinet/if_arp.c
diff -u src/sys/netinet/if_arp.c:1.154 src/sys/netinet/if_arp.c:1.154.16.1
--- src/sys/netinet/if_arp.c:1.154 Mon Jan 2 22:17:11 2012
+++ src/sys/netinet/if_arp.c Wed Jun 18 09:34:27 2014
@@ -1,4 +1,4 @@
-/* $NetBSD: if_arp.c,v 1.154 2012/01/02 22:17:11 liamjfoy Exp $ */
+/* $NetBSD: if_arp.c,v 1.154.16.1 2014/06/18 09:34:27 msaitoh Exp $ */
/*-
* Copyright (c) 1998, 2000, 2008 The NetBSD Foundation, Inc.
@@ -68,7 +68,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_arp.c,v 1.154 2012/01/02 22:17:11 liamjfoy Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_arp.c,v 1.154.16.1 2014/06/18 09:34:27 msaitoh Exp $");
#include "opt_ddb.h"
#include "opt_inet.h"
@@ -1480,8 +1480,10 @@ revarprequest(struct ifnet *ifp)
sa.sa_family = AF_ARP;
sa.sa_len = 2;
m->m_flags |= M_BCAST;
- (*ifp->if_output)(ifp, m, &sa, NULL);
+ KERNEL_LOCK(1, NULL);
+ (*ifp->if_output)(ifp, m, &sa, NULL);
+ KERNEL_UNLOCK_ONE(NULL);
}
/*
Index: src/sys/netinet/ip_carp.c
diff -u src/sys/netinet/ip_carp.c:1.47.4.1 src/sys/netinet/ip_carp.c:1.47.4.1.6.1
--- src/sys/netinet/ip_carp.c:1.47.4.1 Mon Apr 2 18:25:35 2012
+++ src/sys/netinet/ip_carp.c Wed Jun 18 09:34:27 2014
@@ -1,4 +1,4 @@
-/* $NetBSD: ip_carp.c,v 1.47.4.1 2012/04/02 18:25:35 riz Exp $ */
+/* $NetBSD: ip_carp.c,v 1.47.4.1.6.1 2014/06/18 09:34:27 msaitoh Exp $ */
/* $OpenBSD: ip_carp.c,v 1.113 2005/11/04 08:11:54 mcbride Exp $ */
/*
@@ -30,7 +30,7 @@
#include "opt_inet.h"
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ip_carp.c,v 1.47.4.1 2012/04/02 18:25:35 riz Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ip_carp.c,v 1.47.4.1.6.1 2014/06/18 09:34:27 msaitoh Exp $");
/*
* TODO:
@@ -347,6 +347,7 @@ carp_setroute(struct carp_softc *sc, int
struct ifaddr *ifa;
int s;
+ KERNEL_LOCK(1, NULL);
s = splsoftnet();
IFADDR_FOREACH(ifa, &sc->sc_if) {
switch (ifa->ifa_addr->sa_family) {
@@ -444,6 +445,7 @@ carp_setroute(struct carp_softc *sc, int
}
}
splx(s);
+ KERNEL_UNLOCK_ONE(NULL);
}
/*
@@ -844,6 +846,7 @@ carpdetach(struct carp_softc *sc)
carp_setrun(sc, 0);
carp_multicast_cleanup(sc);
+ KERNEL_LOCK(1, NULL);
s = splnet();
if (sc->sc_carpdev != NULL) {
/* XXX linkstatehook removal */
@@ -857,6 +860,7 @@ carpdetach(struct carp_softc *sc)
}
sc->sc_carpdev = NULL;
splx(s);
+ KERNEL_UNLOCK_ONE(NULL);
}
/* Detach an interface from the carp. */
@@ -923,6 +927,7 @@ carp_send_ad(void *v)
struct ifaddr *ifa;
struct sockaddr sa;
+ KERNEL_LOCK(1, NULL);
s = splsoftnet();
advbase = advskew = 0; /* Sssssh compiler */
@@ -1123,6 +1128,7 @@ carp_send_ad(void *v)
retry_later:
splx(s);
+ KERNEL_UNLOCK_ONE(NULL);
if (advbase != 255 || advskew != 255)
callout_schedule(&sc->sc_ad_tmo, tvtohz(&tv));
}
@@ -1137,8 +1143,10 @@ carp_send_arp(struct carp_softc *sc)
{
struct ifaddr *ifa;
struct in_addr *in;
- int s = splsoftnet();
+ int s;
+ KERNEL_LOCK(1, NULL);
+ s = splsoftnet();
IFADDR_FOREACH(ifa, &sc->sc_if) {
if (ifa->ifa_addr->sa_family != AF_INET)
@@ -1148,6 +1156,7 @@ carp_send_arp(struct carp_softc *sc)
arprequest(sc->sc_carpdev, in, in, CLLADDR(sc->sc_if.if_sadl));
}
splx(s);
+ KERNEL_UNLOCK_ONE(NULL);
}
#ifdef INET6
@@ -1157,7 +1166,10 @@ carp_send_na(struct carp_softc *sc)
struct ifaddr *ifa;
struct in6_addr *in6;
static struct in6_addr mcast = IN6ADDR_LINKLOCAL_ALLNODES_INIT;
- int s = splsoftnet();
+ int s;
+
+ KERNEL_LOCK(1, NULL);
+ s = splsoftnet();
IFADDR_FOREACH(ifa, &sc->sc_if) {
@@ -1169,6 +1181,7 @@ carp_send_na(struct carp_softc *sc)
ND_NA_FLAG_OVERRIDE, 1, NULL);
}
splx(s);
+ KERNEL_UNLOCK_ONE(NULL);
}
#endif /* INET6 */
@@ -1573,10 +1586,12 @@ carp_set_ifp(struct carp_softc *sc, stru
if (sc->sc_naddrs || sc->sc_naddrs6)
sc->sc_if.if_flags |= IFF_UP;
carp_set_enaddr(sc);
+ KERNEL_LOCK(1, NULL);
s = splnet();
/* XXX linkstatehooks establish */
carp_carpdev_state(ifp);
splx(s);
+ KERNEL_UNLOCK_ONE(NULL);
} else {
carpdetach(sc);
sc->sc_if.if_flags &= ~(IFF_UP|IFF_RUNNING);
@@ -2035,6 +2050,7 @@ carp_output(struct ifnet *ifp, struct mb
struct rtentry *rt)
{
struct carp_softc *sc = ((struct carp_softc *)ifp->if_softc);
+ KASSERT(KERNEL_LOCKED_P());
if (sc->sc_carpdev != NULL && sc->sc_state == MASTER) {
return (sc->sc_carpdev->if_output(ifp, m, sa, rt));
Index: src/sys/netinet6/ip6_flow.c
diff -u src/sys/netinet6/ip6_flow.c:1.19.2.1 src/sys/netinet6/ip6_flow.c:1.19.2.1.2.1
--- src/sys/netinet6/ip6_flow.c:1.19.2.1 Wed Oct 31 16:07:46 2012
+++ src/sys/netinet6/ip6_flow.c Wed Jun 18 09:34:27 2014
@@ -1,4 +1,4 @@
-/* $NetBSD: ip6_flow.c,v 1.19.2.1 2012/10/31 16:07:46 riz Exp $ */
+/* $NetBSD: ip6_flow.c,v 1.19.2.1.2.1 2014/06/18 09:34:27 msaitoh Exp $ */
/*-
* Copyright (c) 2007 The NetBSD Foundation, Inc.
@@ -38,7 +38,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ip6_flow.c,v 1.19.2.1 2012/10/31 16:07:46 riz Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ip6_flow.c,v 1.19.2.1.2.1 2014/06/18 09:34:27 msaitoh Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -303,13 +303,14 @@ ip6flow_fastforward(struct mbuf **mp)
ip6f->ip6f_uses++;
+ KERNEL_LOCK(1, NULL);
/* Send on its way - straight to the interface output routine. */
if ((error = (*rt->rt_ifp->if_output)(rt->rt_ifp, m, dst, rt)) != 0) {
ip6f->ip6f_dropped++;
} else {
ip6f->ip6f_forwarded++;
}
-
+ KERNEL_UNLOCK_ONE(NULL);
return 1;
}
Index: src/sys/netinet6/nd6.c
diff -u src/sys/netinet6/nd6.c:1.141.8.2 src/sys/netinet6/nd6.c:1.141.8.3
--- src/sys/netinet6/nd6.c:1.141.8.2 Tue Dec 17 20:47:49 2013
+++ src/sys/netinet6/nd6.c Wed Jun 18 09:34:27 2014
@@ -1,4 +1,4 @@
-/* $NetBSD: nd6.c,v 1.141.8.2 2013/12/17 20:47:49 bouyer Exp $ */
+/* $NetBSD: nd6.c,v 1.141.8.3 2014/06/18 09:34:27 msaitoh Exp $ */
/* $KAME: nd6.c,v 1.279 2002/06/08 11:16:51 itojun Exp $ */
/*
@@ -31,7 +31,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: nd6.c,v 1.141.8.2 2013/12/17 20:47:49 bouyer Exp $");
+__KERNEL_RCSID(0, "$NetBSD: nd6.c,v 1.141.8.3 2014/06/18 09:34:27 msaitoh Exp $");
#include "opt_ipsec.h"
@@ -2177,9 +2177,13 @@ nd6_output(struct ifnet *ifp, struct ifn
/* clean ipsec history once it goes out of the node */
ipsec_delaux(m);
#endif
+ KERNEL_LOCK(1, NULL);
if ((ifp->if_flags & IFF_LOOPBACK) != 0)
- return (*ifp->if_output)(origifp, m, sin6tocsa(dst), rt);
- return (*ifp->if_output)(ifp, m, sin6tocsa(dst), rt);
+ error = (*ifp->if_output)(origifp, m, sin6tocsa(dst), rt);
+ else
+ error = (*ifp->if_output)(ifp, m, sin6tocsa(dst), rt);
+ KERNEL_UNLOCK_ONE(NULL);
+ return error;
bad:
if (m != NULL)
Index: src/sys/rump/librump/rumpkern/klock.c
diff -u src/sys/rump/librump/rumpkern/klock.c:1.3 src/sys/rump/librump/rumpkern/klock.c:1.3.20.1
--- src/sys/rump/librump/rumpkern/klock.c:1.3 Wed Dec 1 14:59:38 2010
+++ src/sys/rump/librump/rumpkern/klock.c Wed Jun 18 09:34:27 2014
@@ -1,4 +1,4 @@
-/* $NetBSD: klock.c,v 1.3 2010/12/01 14:59:38 pooka Exp $ */
+/* $NetBSD: klock.c,v 1.3.20.1 2014/06/18 09:34:27 msaitoh Exp $ */
/*
* Copyright (c) 2007-2010 Antti Kantee. All Rights Reserved.
@@ -29,7 +29,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: klock.c,v 1.3 2010/12/01 14:59:38 pooka Exp $");
+__KERNEL_RCSID(0, "$NetBSD: klock.c,v 1.3.20.1 2014/06/18 09:34:27 msaitoh Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -117,6 +117,13 @@ _kernel_unlock(int nlocks, int *countp)
}
}
+bool
+_kernel_locked_p(void)
+{
+
+ return giantowner == curlwp;
+}
+
void
rump_user_unschedule(int nlocks, int *countp, void *interlock)
{
