2 files changed, 7 insertions, 0 deletions
diff --git a/src/pool.c b/src/pool.c
index 4d8c42dd1..ffddd2552 100644
--- a/src/pool.c
+++ b/src/pool.c
@@ -166,6 +166,9 @@ mrb_pool_realloc(mrb_pool *pool, void *p, size_t oldlen, size_t newlen)
     page = page->next;
   }
   np = mrb_pool_alloc(pool, newlen);
+  if (np == NULL) {
+      return NULL;
+  }
   memcpy(np, p, oldlen);
   return np;
 }
diff --git a/src/state.c b/src/state.c
index 9c16524f2..8d6993b6f 100644
--- a/src/state.c
+++ b/src/state.c
@@ -110,6 +110,10 @@ mrb_open_allocf(mrb_allocf f, void *ud)
 {
   mrb_state *mrb = mrb_open_core(f, ud);
 
+  if (mrb == NULL) {
+    return NULL;
+  }
+
 #ifndef DISABLE_GEMS
   mrb_init_mrbgems(mrb);
   mrb_gc_arena_restore(mrb, 0);