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-rw-r--r--src/or/rendservice.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/or/rendservice.c b/src/or/rendservice.c
index 289e2bf07..e7f787e4c 100644
--- a/src/or/rendservice.c
+++ b/src/or/rendservice.c
@@ -251,7 +251,7 @@ static void rend_service_update_descriptor(rend_service_t *service)
for (i=0; i < n; ++i) {
router = router_get_by_nickname(smartlist_get(service->intro_nodes, i));
circ = find_intro_circuit(router, service->pk_digest);
- if (circ->purpose == CIRCUIT_PURPOSE_S_INTRO) {
+ if (circ && circ->purpose == CIRCUIT_PURPOSE_S_INTRO) {
/* We have an entirely established intro circuit. */
d->intro_points[d->n_intro_points++] = tor_strdup(router->nickname);
}