1 files changed, 10 insertions, 0 deletions
diff --git a/llvm_mode/afl-llvm-rt.o.c b/llvm_mode/afl-llvm-rt.o.c
index 8cc59cbb..5ffae39c 100644
--- a/llvm_mode/afl-llvm-rt.o.c
+++ b/llvm_mode/afl-llvm-rt.o.c
@@ -831,6 +831,16 @@ void __afl_manual_init(void) {
 
   static u8 init_done;
 
+  if (getenv("AFL_DISABLE_LLVM_INSTRUMENTATION")) {
+
+    init_done = 1;
+    if (getenv("AFL_DEBUG"))
+      fprintf(stderr,
+              "DEBUG: disabled instrumenation because of "
+              "AFL_DISABLE_LLVM_INSTRUMENTATION\n");
+
+  }
+
   if (!init_done) {
 
     __afl_map_shm();