Fix for 1480055.

Stmen · May 7, 2020 · 0ba9164 · 0ba9164
1 parent eb69321
commit 0ba9164
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/lib/src/phy/ue/ue_dl.c b/lib/src/phy/ue/ue_dl.c
@@ -661,6 +661,11 @@ int srslte_ue_dl_find_dl_dci(srslte_ue_dl_t*     q,
     nof_msg = find_dl_dci_type_crnti(q, sf, dl_cfg, rnti, dci_msg);
   }
 
+  if (nof_msg < 0) {
+    ERROR("Invalid number of DCI messages\n");
+    return SRSLTE_ERROR;
+  }
+
   // Unpack DCI messages
   for (uint32_t i = 0; i < nof_msg; i++) {
     if (srslte_dci_msg_unpack_pdsch(&q->cell, sf, &dl_cfg->cfg.dci, &dci_msg[i], &dci_dl[i])) {