Handle ch being NULL

diff --git a/src/modules/rlm_eap/radeapclient.c b/src/modules/rlm_eap/radeapclient.c
index 955df1eae030110520222c084ed4bbe8ac41766f..7168b1dd843c9a134eba10208531c86abe769fea 100644 (file)
--- a/src/modules/rlm_eap/radeapclient.c
+++ b/src/modules/rlm_eap/radeapclient.c
@@ -689,7 +689,7 @@ static void generate_triplets(RADIUS_PACKET *packet, VALUE_PAIR *ki, uint8_t con
                char buffer[33];        /* 32 hexits (16 bytes) + 1 */
 
                for (i = 0; i < EAPSIM_RAND_SIZE; i++) {
-                       ess.keys.rand[idx][i] = ch[(idx * EAPSIM_RAND_SIZE) + i];
+                       ess.keys.rand[idx][i] = ch ? ch[(idx * EAPSIM_RAND_SIZE) + i] : 0;
                }
 
                /*