From 6f6e08f83bbc9b778258ab4f95724112ae6a4c06 Mon Sep 17 00:00:00 2001
From: Daniel Liu <139250065@qq.com>
Date: Sat, 26 Jul 2025 17:44:45 +0800
Subject: [PATCH] core/vm: prevent overflow #29023 (#1244)

---
 core/vm/operations_acl.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/core/vm/operations_acl.go b/core/vm/operations_acl.go
index ac2b19d04e..43a47151aa 100644
--- a/core/vm/operations_acl.go
+++ b/core/vm/operations_acl.go
@@ -187,7 +187,12 @@ func makeCallVariantGasCallEIP2929(oldCalculator gasFunc) gasFunc {
 		// outside of this function, as part of the dynamic gas, and that will make it
 		// also become correctly reported to tracers.
 		contract.Gas += coldCost
-		return gas + coldCost, nil
+
+		var overflow bool
+		if gas, overflow = math.SafeAdd(gas, coldCost); overflow {
+			return 0, ErrGasUintOverflow
+		}
+		return gas, nil
 	}
 }