From 5ea678af50a664b1d83a3fef3d27d3ab4e48a5d9 Mon Sep 17 00:00:00 2001
From: tidwall <joshbaker77@gmail.com>
Date: Mon, 22 Mar 2021 13:20:46 -0700
Subject: [PATCH] Fix overflow regression

This commit fixes a regression introduced in c039c88 (v0.3.1)
which causes a heap-buffer-overflow during hashmap_free.

fixes #10
---
 hashmap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hashmap.c b/hashmap.c
index 5d217f2..d51d976 100644
--- a/hashmap.c
+++ b/hashmap.c
@@ -104,7 +104,7 @@ struct hashmap *hashmap_new(size_t elsize, size_t cap,
         bucketsz++;
     }
     // hashmap + spare + edata
-    size_t size = sizeof(struct hashmap)+bucketsz+elsize;
+    size_t size = sizeof(struct hashmap)+bucketsz*2;
     struct hashmap *map = hmmalloc(size);
     if (!map) {
         return NULL;