afl-fuzzer.patch

diff --git a/llvm_mode/afl-clang-fast.c b/llvm_mode/afl-clang-fast.c
index d4202a6..4f5d6ae 100644
--- a/llvm_mode/afl-clang-fast.c
+++ b/llvm_mode/afl-clang-fast.c
@@ -32,6 +32,7 @@
 #include <unistd.h>
 #include <stdlib.h>
 #include <string.h>
+#include <assert.h>
 
 static u8*  obj_path;               /* Path to runtime libraries         */
 static u8** cc_params;              /* Parameters passed to the real CC  */
@@ -127,7 +128,13 @@ static void edit_params(u32 argc, char** argv) {
   cc_params[cc_par_cnt++] = "-Xclang";
   cc_params[cc_par_cnt++] = "-load";
   cc_params[cc_par_cnt++] = "-Xclang";
-  cc_params[cc_par_cnt++] = alloc_printf("%s/afl-llvm-pass.so", obj_path);
+  if (getenv("MARKSET") == NULL) {
+    cc_params[cc_par_cnt++] = alloc_printf("%s/afl-llvm-pass.so", obj_path);
+  } else {
+    const char *instrim_pass = getenv("INSTRIM_LIB");
+    assert(instrim_pass != NULL && "No InsTrim library path");
+    cc_params[cc_par_cnt++] = alloc_printf("%s", instrim_pass);
+  }
 #endif /* ^USE_TRACE_PC */
 
   cc_params[cc_par_cnt++] = "-Qunused-arguments";