From dec202e6d6c41f99c0a5dbc8178f0c11babf3d82 Mon Sep 17 00:00:00 2001
From: WilliamParks <WilliamParks@users.noreply.github.com>
Date: Thu, 15 Jun 2023 15:53:22 -0400
Subject: [PATCH] Fixes math with register offsets (#1314)

---
 libafl_frida/src/asan/asan_rt.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libafl_frida/src/asan/asan_rt.rs b/libafl_frida/src/asan/asan_rt.rs
index 6998e5d136..7f5b88f75a 100644
--- a/libafl_frida/src/asan/asan_rt.rs
+++ b/libafl_frida/src/asan/asan_rt.rs
@@ -2416,7 +2416,7 @@ impl AsanRuntime {
                 }
                 X86Register::Rdi => {
                     // In this case rdi is already clobbered, so we want it from the stack (we pushed rdi onto stack before!)
-                    writer.put_mov_reg_reg_offset_ptr(X86Register::Rsi, X86Register::Rsp, -0x28);
+                    writer.put_mov_reg_reg_offset_ptr(X86Register::Rsi, X86Register::Rsp, 0x20);
                 }
                 X86Register::Rsp => {
                     // In this case rsp is also clobbered