From a4b6304bd0df5fbab311a037d7c04b1ecbef7b14 Mon Sep 17 00:00:00 2001
From: iximeow <me@iximeow.net>
Date: Sat, 3 Jul 2021 10:17:17 -0700
Subject: port over x86_64 improvements to x86_32

---
 src/long_mode/mod.rs | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/long_mode')

diff --git a/src/long_mode/mod.rs b/src/long_mode/mod.rs
index 125716f..254ccc7 100644
--- a/src/long_mode/mod.rs
+++ b/src/long_mode/mod.rs
@@ -9133,6 +9133,10 @@ fn unlikely_operands<T: Reader<<Arch as yaxpeax_arch::Arch>::Address, <Arch as y
             }
         }
         OperandCode::ModRM_0x0f01 => {
+            if instruction.prefixes.rep() || instruction.prefixes.repnz() {
+                return Err(DecodeError::InvalidOperand);
+            }
+
             let opwidth = imm_width_from_prefixes_64(SizeCode::vq, instruction.prefixes);
             let modrm = read_modrm(words)?;
             let r = (modrm >> 3) & 7;
-- 
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