3 files changed, 8 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog
index 953dc96790..3745a2d304 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Tue Mar 31 00:49:23 2015  Naohisa Goto  <ngotogenome@gmail.com>
+
+	* gc.c (wmap_final_func): fix memory size shortage when realloc wmap.
+	  Fix SEGV during finalize of WeakRef on Solaris (though the SEGV
+	  could occur on all OS/platforms). [ruby-dev:48779] [Bug #10646]
+
 Tue Mar 31 00:38:14 2015  Seiei Higa  <hanachin@gmail.com>
 
 	* vm_method.c (rb_method_entry): if no super class, no original
diff --git a/gc.c b/gc.c
index cc37327463..f9048e031a 100644
--- a/gc.c
+++ b/gc.c
@@ -6413,7 +6413,7 @@ wmap_final_func(st_data_t *key, st_data_t *value, st_data_t arg, int existing)
 	return ST_DELETE;
     }
     if (j < i) {
-	ptr = ruby_sized_xrealloc2(ptr, j, sizeof(VALUE), i);
+	ptr = ruby_sized_xrealloc2(ptr, j + 1, sizeof(VALUE), i);
 	ptr[0] = j;
 	*value = (st_data_t)ptr;
     }
diff --git a/version.h b/version.h
index 94b9d22f16..bd5dbad4aa 100644
--- a/version.h
+++ b/version.h
@@ -1,6 +1,6 @@
 #define RUBY_VERSION "2.1.5"
 #define RUBY_RELEASE_DATE "2015-03-31"
-#define RUBY_PATCHLEVEL 327
+#define RUBY_PATCHLEVEL 328
 
 #define RUBY_RELEASE_YEAR 2015
 #define RUBY_RELEASE_MONTH 3