From 8489112ab1873764987578f29c95310a47571990 Mon Sep 17 00:00:00 2001
From: SonicStark <50692172+SonicStark@users.noreply.github.com>
Date: Tue, 11 Feb 2025 13:06:09 +0800
Subject: [PATCH] Fix excess afl_global_id increase

introduced in commit 44a769616
---
 instrumentation/SanitizerCoverageLTO.so.cc | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/instrumentation/SanitizerCoverageLTO.so.cc b/instrumentation/SanitizerCoverageLTO.so.cc
index 74795279..c27ff36a 100644
--- a/instrumentation/SanitizerCoverageLTO.so.cc
+++ b/instrumentation/SanitizerCoverageLTO.so.cc
@@ -2005,8 +2005,11 @@ void ModuleSanitizerCoverageLTO::instrumentFunction(
 
     }
 
-    extra_ctx_inst += inst_in_this_func * (call_counter - 1);
-    afl_global_id += extra_ctx_inst;
+    uint32_t extra_ctx_inst_in_this_func =
+        inst_in_this_func * (call_counter - 1);
+
+    extra_ctx_inst += extra_ctx_inst_in_this_func;
+    afl_global_id += extra_ctx_inst_in_this_func;
 
   }