From d49c4800e264f88c53ecca038b011af99a7c82da Mon Sep 17 00:00:00 2001
From: Croxx <mrcroxx@outlook.com>
Date: Sun, 29 Sep 2024 22:30:24 +0800
Subject: [PATCH] bug: fix panic when serde as batching (#750)

Signed-off-by: MrCroxx <mrcroxx@outlook.com>
---
 foyer-storage/src/large/batch.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/foyer-storage/src/large/batch.rs b/foyer-storage/src/large/batch.rs
index 602828fd..5adcea96 100644
--- a/foyer-storage/src/large/batch.rs
+++ b/foyer-storage/src/large/batch.rs
@@ -121,6 +121,11 @@ where
 
         let pos = self.len;
 
+        if pos + EntryHeader::serialized_len() >= self.buffer.len() {
+            // Only handle start position overflow. End position overflow will be handled by serde.
+            return false;
+        }
+
         let info = match EntrySerializer::serialize(
             entry.key(),
             entry.value(),