From 109184fb2c143810fd825d48a294ebe8eb9c9b36 Mon Sep 17 00:00:00 2001
From: cl507523 <cl507523@antgroup.com>
Date: Fri, 23 Jan 2026 08:48:42 +0000
Subject: [PATCH] fix(evm): fix SAR opcode with large shift

---
 src/evm/opcode_handlers.cpp                                  | 2 +-
 tests/evmone_unittests/EVMOneInterpreterUnitTestsRunList.txt | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/evm/opcode_handlers.cpp b/src/evm/opcode_handlers.cpp
index 23141457f..75d9f5f83 100644
--- a/src/evm/opcode_handlers.cpp
+++ b/src/evm/opcode_handlers.cpp
@@ -344,7 +344,7 @@ void SarHandler::doExecute() {
     }
   } else {
     intx::uint256 IsNegative = (Value >> 255) & 1;
-    Res = IsNegative ? intx::uint256(-1) : intx::uint256(0);
+    Res = IsNegative ? ~intx::uint256(0) : intx::uint256(0);
   }
   Frame->push(Res);
 }
diff --git a/tests/evmone_unittests/EVMOneInterpreterUnitTestsRunList.txt b/tests/evmone_unittests/EVMOneInterpreterUnitTestsRunList.txt
index 297530314..a5f7e8fa6 100644
--- a/tests/evmone_unittests/EVMOneInterpreterUnitTestsRunList.txt
+++ b/tests/evmone_unittests/EVMOneInterpreterUnitTestsRunList.txt
@@ -203,3 +203,4 @@ multi_vm/evm.storage/external_vm
 multi_vm/evm.exp/external_vm
 multi_vm/evm.exp_oog/external_vm
 multi_vm/evm.exp_pre_spurious_dragon/external_vm
+multi_vm/evm.shift_overflow/external_vm