Fix overflow when calling parsec_data_create

ICLDisco · Mar 15, 2024 · 149097d · 149097d
1 parent 4f76b6d
commit 149097d
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/parsec/data_dist/matrix/matrix.c b/parsec/data_dist/matrix/matrix.c
@@ -35,7 +35,7 @@ parsec_tiled_matrix_create_data(parsec_tiled_matrix_t* matrix,
     assert( pos <= matrix->nb_local_tiles );
     return parsec_data_create( matrix->data_map + pos,
                               &(matrix->super), key, ptr,
-                              matrix->bsiz * parsec_datadist_getsizeoftype(matrix->mtype),
+                              (size_t)matrix->bsiz * parsec_datadist_getsizeoftype(matrix->mtype),
                               PARSEC_DATA_FLAG_PARSEC_MANAGED);
 }
 
@@ -95,6 +95,7 @@ void parsec_tiled_matrix_init( parsec_tiled_matrix_t *tdesc,
     tdesc->mb       = mb;
     tdesc->nb       = nb;
     tdesc->bsiz     = mb * nb;
+    assert((size_t)mb * nb <= INT_MAX);
 
     /* Large matrix parameters */
     tdesc->lm = lm;