From ff9582833d92521e2c724ca944c618974b0608d8 Mon Sep 17 00:00:00 2001
From: Tatsuhiko Kubo <cubicdaiya@gmail.com>
Date: Tue, 19 Aug 2014 17:34:19 +0900
Subject: Fix error hanldlings in read_irep_record().

read_irep_record_1() and read_irep_record() may return NULL.
---
 src/load.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src/load.c')

diff --git a/src/load.c b/src/load.c
index 0a1436c77..9e8325022 100644
--- a/src/load.c
+++ b/src/load.c
@@ -164,11 +164,18 @@ read_irep_record(mrb_state *mrb, const uint8_t *bin, size_t *len, mrb_bool alloc
   mrb_irep *irep = read_irep_record_1(mrb, bin, len, alloc);
   size_t i;
 
+  if (irep == NULL) {
+    return NULL;
+  }
+
   bin += *len;
   for (i=0; i<irep->rlen; i++) {
     size_t rlen;
 
     irep->reps[i] = read_irep_record(mrb, bin, &rlen, alloc);
+    if (irep->reps[i] == NULL) {
+      return NULL;
+    }
     bin += rlen;
     *len += rlen;
   }
-- 
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