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Date: Mon, 9 Mar 2026 19:38:08 -0400 (EDT)
Subject: PATCH: fix for bad alias_maps and null pointer at postfix startup
From: Wietse Venema via Postfix-devel <postfix-devel@postfix.org>
Origin: upstream, https://marc.info/?l=postfix-devel&m=177310221511516&w=2
Forwarded: not-needed
Michael Tokarev found a few mistakes in very recent Postfix code.
These caused various startup failures depending on Postfix configuration.
This patch includes a patch that Micahel sent earlier tody, that had
suffered from line wrapping damage.
It's been a long day, so I will roll out releases on Tuesday.
Wietse
diff '--exclude=man' '--exclude=html' '--exclude=README_FILES' '--exclude=INSTALL' --no-dereference -r -ur /var/tmp/postfix-3.12-20260305/HISTORY ./HISTORY
--- /var/tmp/postfix-3.12-20260305/HISTORY 2026-03-05 10:18:00.000000000 -0500
+++ ./HISTORY 2026-03-09 19:25:41.607868948 -0400
@@ -30583,3 +30583,18 @@
master_service_disable=inet" + "postfix start" step, to
locate settings that still need to be updated. File:
proto/NON_BERKELEYDB_README.html.
+
+20260309
+
+ Bugfix (defect introduced: 20260219): alias_maps errors
+ when default_database_type was not set in main.cf, or when
+ it was set later than alias_maps. Fix by Michael Tokarev.
+ File: global/mail_params.c.
+
+ Bugfix (defect introduced: 20260219): null pointer in
+ nbdb_reindexd(8) because the "service_name" value was not
+ propagated. Report by Michael Tokarev, fix by Wietse. Files:
+ global/mail_params.c, global/mail_params.h
+
+ Bugfix (defect introduced: 20260219): spurious error message
+ from nbdb_reindexd(8). File: conf/postfix-script.
diff '--exclude=man' '--exclude=html' '--exclude=README_FILES' '--exclude=INSTALL' --no-dereference -r -ur /var/tmp/postfix-3.12-20260305/conf/postfix-script ./conf/postfix-script
--- /var/tmp/postfix-3.12-20260305/conf/postfix-script 2026-02-26 16:17:35.000000000 -0500
+++ ./conf/postfix-script 2026-03-09 18:33:21.050354980 -0400
@@ -311,6 +311,7 @@
#
# To avoid this, craft a one-time stand-alone re-indexing request.
test -f $config_directory/check-alias-maps-migration-done && exit 0
+ test "x`$command_directory/postconf -h non_bdb_migration_level`" = xenable-reindex || exit 0
BACKUP_IFS="$IFS"
for map in `$command_directory/postconf -hx alias_maps`
do
diff '--exclude=man' '--exclude=html' '--exclude=README_FILES' '--exclude=INSTALL' --no-dereference -r -ur /var/tmp/postfix-3.12-20260305/src/global/mail_params.c ./src/global/mail_params.c
--- /var/tmp/postfix-3.12-20260305/src/global/mail_params.c 2026-03-02 15:28:43.000000000 -0500
+++ ./src/global/mail_params.c 2026-03-09 18:54:54.043833321 -0400
@@ -797,6 +797,7 @@
VAR_POSTLOG_SERVICE, DEF_POSTLOG_SERVICE, &var_postlog_service, 1, 0,
VAR_DNSSEC_PROBE, DEF_DNSSEC_PROBE, &var_dnssec_probe, 0, 0,
VAR_KNOWN_TCP_PORTS, DEF_KNOWN_TCP_PORTS, &var_known_tcp_ports, 0, 0,
+ VAR_SERVNAME, DEF_SERVNAME, &var_servname, 0, 0,
0,
};
static const CONFIG_BOOL_TABLE first_bool_defaults[] = {
@@ -839,10 +840,10 @@
VAR_PROXY_INTERFACES, DEF_PROXY_INTERFACES, &var_proxy_interfaces, 0, 0,
VAR_DOUBLE_BOUNCE, DEF_DOUBLE_BOUNCE, &var_double_bounce_sender, 1, 0,
VAR_DEFAULT_PRIVS, DEF_DEFAULT_PRIVS, &var_default_privs, 1, 0,
- VAR_ALIAS_DB_MAP, DEF_ALIAS_DB_MAP, &var_alias_db_map, 0, 0,
VAR_MAIL_RELEASE, DEF_MAIL_RELEASE, &var_mail_release, 1, 0,
VAR_DB_TYPE, DEF_DB_TYPE, &var_db_type, 1, 0,
VAR_CACHE_DB_TYPE, DEF_CACHE_DB_TYPE, &var_cache_db_type, 1, 0,
+ VAR_ALIAS_DB_MAP, DEF_ALIAS_DB_MAP, &var_alias_db_map, 0, 0,
VAR_HASH_QUEUE_NAMES, DEF_HASH_QUEUE_NAMES, &var_hash_queue_names, 1, 0,
VAR_RCPT_DELIM, DEF_RCPT_DELIM, &var_rcpt_delim, 0, 0,
VAR_RELAY_DOMAINS, DEF_RELAY_DOMAINS, &var_relay_domains, 0, 0,
diff '--exclude=man' '--exclude=html' '--exclude=README_FILES' '--exclude=INSTALL' --no-dereference -r -ur /var/tmp/postfix-3.12-20260305/src/global/mail_params.h ./src/global/mail_params.h
--- /var/tmp/postfix-3.12-20260305/src/global/mail_params.h 2026-03-02 15:28:43.000000000 -0500
+++ ./src/global/mail_params.h 2026-03-09 19:13:44.864611006 -0400
@@ -2636,6 +2636,7 @@
extern char *var_procname;
#define VAR_SERVNAME "service_name"
+#define DEF_SERVNAME "amnesiac"
extern char *var_servname;
#define VAR_PID "process_id"
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