From 05f3c5bdccb3d7c4229a40137dc28ccf4bb0b213 Mon Sep 17 00:00:00 2001
From: grandizzy <38490174+grandizzy@users.noreply.github.com>
Date: Fri, 17 May 2024 12:20:47 +0300
Subject: [PATCH] fix(interpreter): avoid overflow when checking if mem limit
 reached (#1429)

---
 crates/interpreter/src/interpreter/shared_memory.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crates/interpreter/src/interpreter/shared_memory.rs b/crates/interpreter/src/interpreter/shared_memory.rs
index e76015a58c..cc63e1bf07 100644
--- a/crates/interpreter/src/interpreter/shared_memory.rs
+++ b/crates/interpreter/src/interpreter/shared_memory.rs
@@ -90,7 +90,7 @@ impl SharedMemory {
     #[cfg(feature = "memory_limit")]
     #[inline]
     pub fn limit_reached(&self, new_size: usize) -> bool {
-        (self.last_checkpoint + new_size) as u64 > self.memory_limit
+        self.last_checkpoint.saturating_add(new_size) as u64 > self.memory_limit
     }
 
     /// Prepares the shared memory for a new context.