From fbcb630045f9d13d6d4b16ba376b0cf27bf1e2d5 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Mon, 19 Aug 2019 15:15:13 +0200
Subject: [PATCH] pam_systemd: prolong method call timeout when allocating
 session

Starting a session might involve starting the user@.service instance,
hence let's make the bus call timeout substantially longer.

Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=83828
---
 src/login/pam_systemd.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/login/pam_systemd.c b/src/login/pam_systemd.c
index 5de31a9a27..aa6e5ea7ac 100644
--- a/src/login/pam_systemd.c
+++ b/src/login/pam_systemd.c
@@ -36,6 +36,8 @@
 #include "strv.h"
 #include "terminal-util.h"
 
+#define LOGIN_SLOW_BUS_CALL_TIMEOUT_USEC (2*USEC_PER_MINUTE)
+
 static int parse_argv(
                 pam_handle_t *handle,
                 int argc, const char **argv,
@@ -653,7 +655,7 @@ _public_ PAM_EXTERN int pam_sm_open_session(
                 return PAM_SYSTEM_ERR;
         }
 
-        r = sd_bus_call(bus, m, 0, &error, &reply);
+        r = sd_bus_call(bus, m, LOGIN_SLOW_BUS_CALL_TIMEOUT_USEC, &error, &reply);
         if (r < 0) {
                 if (sd_bus_error_has_name(&error, BUS_ERROR_SESSION_BUSY)) {
                         if (debug)