Released today so I haven't been able to give it much testing yet...
Index: doc/Changelog
===================================================================
RCS file: /cvs/src/usr.sbin/unbound/doc/Changelog,v
retrieving revision 1.45
diff -u -p -r1.45 Changelog
--- doc/Changelog 29 Aug 2022 16:05:00 -0000 1.45
+++ doc/Changelog 21 Sep 2022 12:41:57 -0000
@@ -1,5 +1,5 @@
-7 February 2022: Wouter
- - Fix that TCP interface does not use TLS when TLS is also configured.
+21 September 2022: Wouter
+ - Patch for CVE-2022-3204 Non-Responsive Delegation Attack.
1 August 2022: Wouter
- Fix the novel ghost domain issues CVE-2022-30698 and CVE-2022-30699.
Index: config.guess
===================================================================
RCS file: /cvs/src/usr.sbin/unbound/config.guess,v
retrieving revision 1.12
diff -u -p -r1.12 config.guess
--- config.guess 7 Jun 2022 15:42:53 -0000 1.12
+++ config.guess 21 Sep 2022 12:41:57 -0000
@@ -4,7 +4,7 @@
# shellcheck disable=SC2006,SC2268 # see below for rationale
-timestamp='2022-05-25'
+timestamp='2022-08-01'
# This file is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
@@ -1036,7 +1036,7 @@ EOF
k1om:Linux:*:*)
GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
;;
- loongarch32:Linux:*:* | loongarch64:Linux:*:* | loongarchx32:Linux:*:*)
+ loongarch32:Linux:*:* | loongarch64:Linux:*:*)
GUESS=$UNAME_MACHINE-unknown-linux-$LIBC
;;
m32r*:Linux:*:*)
Index: config.sub
===================================================================
RCS file: /cvs/src/usr.sbin/unbound/config.sub,v
retrieving revision 1.11
diff -u -p -r1.11 config.sub
--- config.sub 23 Feb 2022 12:04:05 -0000 1.11
+++ config.sub 21 Sep 2022 12:41:57 -0000
@@ -4,7 +4,7 @@
# shellcheck disable=SC2006,SC2268 # see below for rationale
-timestamp='2022-01-03'
+timestamp='2022-08-01'
# This file is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
@@ -1207,7 +1207,7 @@ case $cpu-$vendor in
| k1om \
| le32 | le64 \
| lm32 \
- | loongarch32 | loongarch64 | loongarchx32 \
+ | loongarch32 | loongarch64 \
| m32c | m32r | m32rle \
| m5200 | m68000 | m680[012346]0 | m68360 | m683?2 |
m68k \
| m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x \
Index: configure
===================================================================
RCS file: /cvs/src/usr.sbin/unbound/configure,v
retrieving revision 1.47
diff -u -p -r1.47 configure
--- configure 29 Aug 2022 16:04:59 -0000 1.47
+++ configure 21 Sep 2022 12:41:57 -0000
@@ -1,6 +1,6 @@
#! /bin/sh
# Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.71 for unbound 1.16.2.
+# Generated by GNU Autoconf 2.71 for unbound 1.16.3.
#
# Report bugs to <[email protected] or
https://github.com/NLnetLabs/unbound/issues>.
#
@@ -622,8 +622,8 @@ MAKEFLAGS=
# Identity of this package.
PACKAGE_NAME='unbound'
PACKAGE_TARNAME='unbound'
-PACKAGE_VERSION='1.16.2'
-PACKAGE_STRING='unbound 1.16.2'
+PACKAGE_VERSION='1.16.3'
+PACKAGE_STRING='unbound 1.16.3'
PACKAGE_BUGREPORT='[email protected] or
https://github.com/NLnetLabs/unbound/issues'
PACKAGE_URL=''
@@ -1503,7 +1503,7 @@ if test "$ac_init_help" = "long"; then
# Omit some internal or obsolete options to make the list less imposing.
# This message is too long to be a string in the A/UX 3.1 sh.
cat <<_ACEOF
-\`configure' configures unbound 1.16.2 to adapt to many kinds of systems.
+\`configure' configures unbound 1.16.3 to adapt to many kinds of systems.
Usage: $0 [OPTION]... [VAR=VALUE]...
@@ -1569,7 +1569,7 @@ fi
if test -n "$ac_init_help"; then
case $ac_init_help in
- short | recursive ) echo "Configuration of unbound 1.16.2:";;
+ short | recursive ) echo "Configuration of unbound 1.16.3:";;
esac
cat <<\_ACEOF
@@ -1812,7 +1812,7 @@ fi
test -n "$ac_init_help" && exit $ac_status
if $ac_init_version; then
cat <<\_ACEOF
-unbound configure 1.16.2
+unbound configure 1.16.3
generated by GNU Autoconf 2.71
Copyright (C) 2021 Free Software Foundation, Inc.
@@ -2469,7 +2469,7 @@ cat >config.log <<_ACEOF
This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.
-It was created by unbound $as_me 1.16.2, which was
+It was created by unbound $as_me 1.16.3, which was
generated by GNU Autoconf 2.71. Invocation command line was
$ $0$ac_configure_args_raw
@@ -3233,11 +3233,11 @@ UNBOUND_VERSION_MAJOR=1
UNBOUND_VERSION_MINOR=16
-UNBOUND_VERSION_MICRO=2
+UNBOUND_VERSION_MICRO=3
LIBUNBOUND_CURRENT=9
-LIBUNBOUND_REVISION=18
+LIBUNBOUND_REVISION=19
LIBUNBOUND_AGE=1
# 1.0.0 had 0:12:0
# 1.0.1 had 0:13:0
@@ -3323,6 +3323,7 @@ LIBUNBOUND_AGE=1
# 1.16.0 had 9:16:1
# 1.16.1 had 9:17:1
# 1.16.2 had 9:18:1
+# 1.16.3 had 9:19:1
# Current -- the number of the binary API that we're implementing
# Revision -- which iteration of the implementation of the binary
@@ -23778,7 +23779,7 @@ printf "%s\n" "#define MAXSYSLOGMSGLEN 1
-version=1.16.2
+version=1.16.3
date=`date +'%b %e, %Y'`
@@ -24290,7 +24291,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_wri
# report actual input values of CONFIG_FILES etc. instead of their
# values after options handling.
ac_log="
-This file was extended by unbound $as_me 1.16.2, which was
+This file was extended by unbound $as_me 1.16.3, which was
generated by GNU Autoconf 2.71. Invocation command line was
CONFIG_FILES = $CONFIG_FILES
@@ -24358,7 +24359,7 @@ ac_cs_config_escaped=`printf "%s\n" "$ac
cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
ac_cs_config='$ac_cs_config_escaped'
ac_cs_version="\\
-unbound config.status 1.16.2
+unbound config.status 1.16.3
configured by $0, generated by GNU Autoconf 2.71,
with options \\"\$ac_cs_config\\"
Index: configure.ac
===================================================================
RCS file: /cvs/src/usr.sbin/unbound/configure.ac,v
retrieving revision 1.47
diff -u -p -r1.47 configure.ac
--- configure.ac 29 Aug 2022 16:04:59 -0000 1.47
+++ configure.ac 21 Sep 2022 12:41:57 -0000
@@ -11,14 +11,14 @@ sinclude(dnscrypt/dnscrypt.m4)
# must be numbers. ac_defun because of later processing
m4_define([VERSION_MAJOR],[1])
m4_define([VERSION_MINOR],[16])
-m4_define([VERSION_MICRO],[2])
+m4_define([VERSION_MICRO],[3])
AC_INIT([unbound],m4_defn([VERSION_MAJOR]).m4_defn([VERSION_MINOR]).m4_defn([VERSION_MICRO]),[[email protected]
or https://github.com/NLnetLabs/unbound/issues],[unbound])
AC_SUBST(UNBOUND_VERSION_MAJOR, [VERSION_MAJOR])
AC_SUBST(UNBOUND_VERSION_MINOR, [VERSION_MINOR])
AC_SUBST(UNBOUND_VERSION_MICRO, [VERSION_MICRO])
LIBUNBOUND_CURRENT=9
-LIBUNBOUND_REVISION=18
+LIBUNBOUND_REVISION=19
LIBUNBOUND_AGE=1
# 1.0.0 had 0:12:0
# 1.0.1 had 0:13:0
@@ -104,6 +104,7 @@ LIBUNBOUND_AGE=1
# 1.16.0 had 9:16:1
# 1.16.1 had 9:17:1
# 1.16.2 had 9:18:1
+# 1.16.3 had 9:19:1
# Current -- the number of the binary API that we're implementing
# Revision -- which iteration of the implementation of the binary
Index: doc/README
===================================================================
RCS file: /cvs/src/usr.sbin/unbound/doc/README,v
retrieving revision 1.32
diff -u -p -r1.32 README
--- doc/README 29 Aug 2022 16:05:00 -0000 1.32
+++ doc/README 21 Sep 2022 12:41:57 -0000
@@ -1,4 +1,4 @@
-README for Unbound 1.16.2
+README for Unbound 1.16.3
Copyright 2007 NLnet Labs
http://unbound.net
Index: doc/example.conf.in
===================================================================
RCS file: /cvs/src/usr.sbin/unbound/doc/example.conf.in,v
retrieving revision 1.37
diff -u -p -r1.37 example.conf.in
--- doc/example.conf.in 29 Aug 2022 16:05:00 -0000 1.37
+++ doc/example.conf.in 21 Sep 2022 12:41:57 -0000
@@ -1,7 +1,7 @@
#
# Example configuration file.
#
-# See unbound.conf(5) man page, version 1.16.2.
+# See unbound.conf(5) man page, version 1.16.3.
#
# this is a comment.
Index: doc/libunbound.3.in
===================================================================
RCS file: /cvs/src/usr.sbin/unbound/doc/libunbound.3.in,v
retrieving revision 1.35
diff -u -p -r1.35 libunbound.3.in
--- doc/libunbound.3.in 29 Aug 2022 16:05:00 -0000 1.35
+++ doc/libunbound.3.in 21 Sep 2022 12:41:57 -0000
@@ -1,4 +1,4 @@
-.TH "libunbound" "3" "Aug 1, 2022" "NLnet Labs" "unbound 1.16.2"
+.TH "libunbound" "3" "Sep 21, 2022" "NLnet Labs" "unbound 1.16.3"
.\"
.\" libunbound.3 -- unbound library functions manual
.\"
@@ -44,7 +44,7 @@
.B ub_ctx_zone_remove,
.B ub_ctx_data_add,
.B ub_ctx_data_remove
-\- Unbound DNS validating resolver 1.16.2 functions.
+\- Unbound DNS validating resolver 1.16.3 functions.
.SH "SYNOPSIS"
.B #include <unbound.h>
.LP
Index: doc/unbound-anchor.8.in
===================================================================
RCS file: /cvs/src/usr.sbin/unbound/doc/unbound-anchor.8.in,v
retrieving revision 1.34
diff -u -p -r1.34 unbound-anchor.8.in
--- doc/unbound-anchor.8.in 29 Aug 2022 16:05:00 -0000 1.34
+++ doc/unbound-anchor.8.in 21 Sep 2022 12:41:57 -0000
@@ -1,4 +1,4 @@
-.TH "unbound-anchor" "8" "Aug 1, 2022" "NLnet Labs" "unbound 1.16.2"
+.TH "unbound-anchor" "8" "Sep 21, 2022" "NLnet Labs" "unbound 1.16.3"
.\"
.\" unbound-anchor.8 -- unbound anchor maintenance utility manual
.\"
Index: doc/unbound-checkconf.8.in
===================================================================
RCS file: /cvs/src/usr.sbin/unbound/doc/unbound-checkconf.8.in,v
retrieving revision 1.34
diff -u -p -r1.34 unbound-checkconf.8.in
--- doc/unbound-checkconf.8.in 29 Aug 2022 16:05:00 -0000 1.34
+++ doc/unbound-checkconf.8.in 21 Sep 2022 12:41:57 -0000
@@ -1,4 +1,4 @@
-.TH "unbound-checkconf" "8" "Aug 1, 2022" "NLnet Labs" "unbound 1.16.2"
+.TH "unbound-checkconf" "8" "Sep 21, 2022" "NLnet Labs" "unbound 1.16.3"
.\"
.\" unbound-checkconf.8 -- unbound configuration checker manual
.\"
Index: doc/unbound-control.8.in
===================================================================
RCS file: /cvs/src/usr.sbin/unbound/doc/unbound-control.8.in,v
retrieving revision 1.36
diff -u -p -r1.36 unbound-control.8.in
--- doc/unbound-control.8.in 29 Aug 2022 16:05:00 -0000 1.36
+++ doc/unbound-control.8.in 21 Sep 2022 12:41:57 -0000
@@ -1,4 +1,4 @@
-.TH "unbound-control" "8" "Aug 1, 2022" "NLnet Labs" "unbound 1.16.2"
+.TH "unbound-control" "8" "Sep 21, 2022" "NLnet Labs" "unbound 1.16.3"
.\"
.\" unbound-control.8 -- unbound remote control manual
.\"
Index: doc/unbound-host.1.in
===================================================================
RCS file: /cvs/src/usr.sbin/unbound/doc/unbound-host.1.in,v
retrieving revision 1.36
diff -u -p -r1.36 unbound-host.1.in
--- doc/unbound-host.1.in 29 Aug 2022 16:05:00 -0000 1.36
+++ doc/unbound-host.1.in 21 Sep 2022 12:41:57 -0000
@@ -1,4 +1,4 @@
-.TH "unbound\-host" "1" "Aug 1, 2022" "NLnet Labs" "unbound 1.16.2"
+.TH "unbound\-host" "1" "Sep 21, 2022" "NLnet Labs" "unbound 1.16.3"
.\"
.\" unbound-host.1 -- unbound DNS lookup utility
.\"
Index: doc/unbound.8.in
===================================================================
RCS file: /cvs/src/usr.sbin/unbound/doc/unbound.8.in,v
retrieving revision 1.37
diff -u -p -r1.37 unbound.8.in
--- doc/unbound.8.in 29 Aug 2022 16:05:00 -0000 1.37
+++ doc/unbound.8.in 21 Sep 2022 12:41:57 -0000
@@ -1,4 +1,4 @@
-.TH "unbound" "8" "Aug 1, 2022" "NLnet Labs" "unbound 1.16.2"
+.TH "unbound" "8" "Sep 21, 2022" "NLnet Labs" "unbound 1.16.3"
.\"
.\" unbound.8 -- unbound manual
.\"
@@ -9,7 +9,7 @@
.\"
.SH "NAME"
.B unbound
-\- Unbound DNS validating resolver 1.16.2.
+\- Unbound DNS validating resolver 1.16.3.
.SH "SYNOPSIS"
.B unbound
.RB [ \-h ]
Index: doc/unbound.conf.5.in
===================================================================
RCS file: /cvs/src/usr.sbin/unbound/doc/unbound.conf.5.in,v
retrieving revision 1.41
diff -u -p -r1.41 unbound.conf.5.in
--- doc/unbound.conf.5.in 29 Aug 2022 16:05:00 -0000 1.41
+++ doc/unbound.conf.5.in 21 Sep 2022 12:41:57 -0000
@@ -1,4 +1,4 @@
-.TH "unbound.conf" "5" "Aug 1, 2022" "NLnet Labs" "unbound 1.16.2"
+.TH "unbound.conf" "5" "Sep 21, 2022" "NLnet Labs" "unbound 1.16.3"
.\"
.\" unbound.conf.5 -- unbound.conf manual
.\"
Index: iterator/iter_delegpt.c
===================================================================
RCS file: /cvs/src/usr.sbin/unbound/iterator/iter_delegpt.c,v
retrieving revision 1.6
diff -u -p -r1.6 iter_delegpt.c
--- iterator/iter_delegpt.c 29 Aug 2022 16:05:00 -0000 1.6
+++ iterator/iter_delegpt.c 21 Sep 2022 12:41:57 -0000
@@ -78,6 +78,7 @@ struct delegpt* delegpt_copy(struct dele
if(!delegpt_add_ns(copy, region, ns->name, ns->lame,
ns->tls_auth_name, ns->port))
return NULL;
+ copy->nslist->cache_lookup_count = ns->cache_lookup_count;
copy->nslist->resolved = ns->resolved;
copy->nslist->got4 = ns->got4;
copy->nslist->got6 = ns->got6;
@@ -121,6 +122,7 @@ delegpt_add_ns(struct delegpt* dp, struc
ns->namelen = len;
dp->nslist = ns;
ns->name = regional_alloc_init(region, name, ns->namelen);
+ ns->cache_lookup_count = 0;
ns->resolved = 0;
ns->got4 = 0;
ns->got6 = 0;
@@ -620,6 +622,7 @@ int delegpt_add_ns_mlc(struct delegpt* d
}
ns->next = dp->nslist;
dp->nslist = ns;
+ ns->cache_lookup_count = 0;
ns->resolved = 0;
ns->got4 = 0;
ns->got6 = 0;
Index: iterator/iter_delegpt.h
===================================================================
RCS file: /cvs/src/usr.sbin/unbound/iterator/iter_delegpt.h,v
retrieving revision 1.9
diff -u -p -r1.9 iter_delegpt.h
--- iterator/iter_delegpt.h 29 Aug 2022 16:05:00 -0000 1.9
+++ iterator/iter_delegpt.h 21 Sep 2022 12:41:57 -0000
@@ -101,6 +101,8 @@ struct delegpt_ns {
uint8_t* name;
/** length of name */
size_t namelen;
+ /** number of cache lookups for the name */
+ int cache_lookup_count;
/**
* If the name has been resolved. false if not queried for yet.
* true if the A, AAAA queries have been generated.
Index: iterator/iter_utils.c
===================================================================
RCS file: /cvs/src/usr.sbin/unbound/iterator/iter_utils.c,v
retrieving revision 1.19
diff -u -p -r1.19 iter_utils.c
--- iterator/iter_utils.c 29 Aug 2022 16:05:00 -0000 1.19
+++ iterator/iter_utils.c 21 Sep 2022 12:41:57 -0000
@@ -1209,6 +1209,9 @@ int iter_lookup_parent_glue_from_cache(s
struct delegpt_ns* ns;
size_t num = delegpt_count_targets(dp);
for(ns = dp->nslist; ns; ns = ns->next) {
+ if(ns->cache_lookup_count > ITERATOR_NAME_CACHELOOKUP_MAX_PSIDE)
+ continue;
+ ns->cache_lookup_count++;
/* get cached parentside A */
akey = rrset_cache_lookup(env->rrset_cache, ns->name,
ns->namelen, LDNS_RR_TYPE_A, qinfo->qclass,
Index: iterator/iter_utils.h
===================================================================
RCS file: /cvs/src/usr.sbin/unbound/iterator/iter_utils.h,v
retrieving revision 1.13
diff -u -p -r1.13 iter_utils.h
--- iterator/iter_utils.h 29 Aug 2022 16:05:00 -0000 1.13
+++ iterator/iter_utils.h 21 Sep 2022 12:41:57 -0000
@@ -62,6 +62,15 @@ struct ub_packed_rrset_key;
struct module_stack;
struct outside_network;
+/* max number of lookups in the cache for target nameserver names.
+ * This stops, for large delegations, N*N lookups in the cache. */
+#define ITERATOR_NAME_CACHELOOKUP_MAX 3
+/* max number of lookups in the cache for parentside glue for nameserver names
+ * This stops, for larger delegations, N*N lookups in the cache.
+ * It is a little larger than the nonpside max, so it allows a couple extra
+ * lookups of parent side glue. */
+#define ITERATOR_NAME_CACHELOOKUP_MAX_PSIDE 5
+
/**
* Process config options and set iterator module state.
* Sets default values if no config is found.
Index: iterator/iterator.c
===================================================================
RCS file: /cvs/src/usr.sbin/unbound/iterator/iterator.c,v
retrieving revision 1.31
diff -u -p -r1.31 iterator.c
--- iterator/iterator.c 29 Aug 2022 16:05:00 -0000 1.31
+++ iterator/iterator.c 21 Sep 2022 12:41:57 -0000
@@ -1218,6 +1218,15 @@ generate_dnskey_prefetch(struct module_q
(qstate->query_flags&BIT_RD) && !(qstate->query_flags&BIT_CD)){
return;
}
+ /* we do not generate this prefetch when the query list is full,
+ * the query is fetched, if needed, when the validator wants it.
+ * At that time the validator waits for it, after spawning it.
+ * This means there is one state that uses cpu and a socket, the
+ * spawned while this one waits, and not several at the same time,
+ * if we had created the lookup here. And this helps to keep
+ * the total load down, but the query still succeeds to resolve. */
+ if(mesh_jostle_exceeded(qstate->env->mesh))
+ return;
/* if the DNSKEY is in the cache this lookup will stop quickly */
log_nametypeclass(VERB_ALGO, "schedule dnskey prefetch",
@@ -1911,6 +1920,14 @@ query_for_targets(struct module_qstate*
return 0;
}
query_count++;
+ /* If the mesh query list is full, exit the loop here.
+ * This makes the routine spawn one query at a time,
+ * and this means there is no query state load
+ * increase, because the spawned state uses cpu and a
+ * socket while this state waits for that spawned
+ * state. Next time we can look up further targets */
+ if(mesh_jostle_exceeded(qstate->env->mesh))
+ break;
}
/* Send the A request. */
if(ie->supports_ipv4 &&
@@ -1925,6 +1942,9 @@ query_for_targets(struct module_qstate*
return 0;
}
query_count++;
+ /* If the mesh query list is full, exit the loop. */
+ if(mesh_jostle_exceeded(qstate->env->mesh))
+ break;
}
/* mark this target as in progress. */
@@ -2085,6 +2105,15 @@ processLastResort(struct module_qstate*
}
ns->done_pside6 = 1;
query_count++;
+ if(mesh_jostle_exceeded(qstate->env->mesh)) {
+ /* Wait for the lookup; do not spawn multiple
+ * lookups at a time. */
+ verbose(VERB_ALGO, "try parent-side glue
lookup");
+ iq->num_target_queries += query_count;
+ target_count_increase(iq, query_count);
+ qstate->ext_state[id] = module_wait_subquery;
+ return 0;
+ }
}
if(ie->supports_ipv4 && !ns->done_pside4) {
/* Send the A request. */
@@ -2560,7 +2589,12 @@ processQueryTargets(struct module_qstate
if(iq->depth < ie->max_dependency_depth
&& iq->num_target_queries == 0
&& (!iq->target_count || iq->target_count[TARGET_COUNT_NX]==0)
- && iq->sent_count < TARGET_FETCH_STOP) {
+ && iq->sent_count < TARGET_FETCH_STOP
+ /* if the mesh query list is full, then do not waste cpu
+ * and sockets to fetch promiscuous targets. They can be
+ * looked up when needed. */
+ && !mesh_jostle_exceeded(qstate->env->mesh)
+ ) {
tf_policy = ie->target_fetch_policy[iq->depth];
}
Index: services/mesh.c
===================================================================
RCS file: /cvs/src/usr.sbin/unbound/services/mesh.c,v
retrieving revision 1.23
diff -u -p -r1.23 mesh.c
--- services/mesh.c 29 Aug 2022 16:05:00 -0000 1.23
+++ services/mesh.c 21 Sep 2022 12:41:57 -0000
@@ -2240,3 +2240,10 @@ mesh_serve_expired_callback(void* arg)
mesh_do_callback(mstate, LDNS_RCODE_NOERROR, msg->rep, c, &tv);
}
}
+
+int mesh_jostle_exceeded(struct mesh_area* mesh)
+{
+ if(mesh->all.count < mesh->max_reply_states)
+ return 0;
+ return 1;
+}
Index: services/mesh.h
===================================================================
RCS file: /cvs/src/usr.sbin/unbound/services/mesh.h,v
retrieving revision 1.9
diff -u -p -r1.9 mesh.h
--- services/mesh.h 7 Jun 2022 15:42:53 -0000 1.9
+++ services/mesh.h 21 Sep 2022 12:41:57 -0000
@@ -685,4 +685,15 @@ struct dns_msg*
mesh_serve_expired_lookup(struct module_qstate* qstate,
struct query_info* lookup_qinfo);
+/**
+ * See if the mesh has space for more queries. You can allocate queries
+ * anyway, but this checks for the allocated space.
+ * @param mesh: mesh area.
+ * @return true if the query list is full.
+ * It checks the number of all queries, not just number of reply states,
+ * that have a client address. So that spawned queries count too,
+ * that were created by the iterator, or other modules.
+ */
+int mesh_jostle_exceeded(struct mesh_area* mesh);
+
#endif /* SERVICES_MESH_H */
Index: services/cache/dns.c
===================================================================
RCS file: /cvs/src/usr.sbin/unbound/services/cache/dns.c,v
retrieving revision 1.19
diff -u -p -r1.19 dns.c
--- services/cache/dns.c 29 Aug 2022 16:05:00 -0000 1.19
+++ services/cache/dns.c 21 Sep 2022 12:41:57 -0000
@@ -404,6 +404,9 @@ cache_fill_missing(struct module_env* en
struct ub_packed_rrset_key* akey;
time_t now = *env->now;
for(ns = dp->nslist; ns; ns = ns->next) {
+ if(ns->cache_lookup_count > ITERATOR_NAME_CACHELOOKUP_MAX)
+ continue;
+ ns->cache_lookup_count++;
akey = rrset_cache_lookup(env->rrset_cache, ns->name,
ns->namelen, LDNS_RR_TYPE_A, qclass, 0, now, 0);
if(akey) {
