From e3587ec77d58da7dd6b1cff8b39078d4ddbe8e11 Mon Sep 17 00:00:00 2001
From: yangjiang <yangjiang@ebay.com>
Date: Thu, 16 Mar 2023 19:52:16 +0800
Subject: [PATCH] [cache] fix memory leak when erase key

---
 src/cache/lru.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/cache/lru.rs b/src/cache/lru.rs
index 74449cf..87832f2 100644
--- a/src/cache/lru.rs
+++ b/src/cache/lru.rs
@@ -224,6 +224,11 @@ where
                     cb(key, &(*n.value.as_ptr()));
                 }
             }
+            // should manually drop kv [MaybeUninit]
+            unsafe {
+                ptr::drop_in_place(n.key.as_mut_ptr());
+                ptr::drop_in_place(n.value.as_mut_ptr());
+            }
         }
     }