From 3b30ce3c20af2d2b64bddd072615225782fcbce2 Mon Sep 17 00:00:00 2001
From: Toka <tokazerkje@outlook.com>
Date: Fri, 12 Nov 2021 19:55:00 +0900
Subject: [PATCH] fix staterestore (#375)

---
 libafl/src/observers/cmp.rs | 13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)

diff --git a/libafl/src/observers/cmp.rs b/libafl/src/observers/cmp.rs
index 4e011fd228..d306da7509 100644
--- a/libafl/src/observers/cmp.rs
+++ b/libafl/src/observers/cmp.rs
@@ -45,24 +45,13 @@ impl CmpValues {
 }
 
 /// A state metadata holding a list of values logged from comparisons
-#[derive(Default, Deserialize)]
+#[derive(Default, Serialize, Deserialize)]
 pub struct CmpValuesMetadata {
     /// A `list` of values.
     #[serde(skip)]
     pub list: Vec<CmpValues>,
 }
 
-/// Implement an empty serializer as we do not need to keep this metadata in State after a restore
-impl Serialize for CmpValuesMetadata {
-    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
-    where
-        S: Serializer,
-    {
-        let list: Vec<CmpValues> = vec![];
-        list.serialize(serializer)
-    }
-}
-
 crate::impl_serdeany!(CmpValuesMetadata);
 
 impl AsSlice<CmpValues> for CmpValuesMetadata {