AFL_USE_QASAN

1 files changed, 25 insertions, 0 deletions

diff --git a/src/afl-analyze.c b/src/afl-analyze.c
index 0af489fe..28598ba0 100644
--- a/src/afl-analyze.c
+++ b/src/afl-analyze.c
@@ -1078,6 +1078,31 @@ int main(int argc, char **argv_orig, char **envp) {
 
   if (optind == argc || !in_file) { usage(argv[0]); }
 
+  if (qemu_mode && getenv("AFL_USE_QASAN")) {
+  
+    u8* preload = getenv("AFL_PRELOAD");
+    u8* libqasan = get_libqasan_path(argv_orig[0]);
+    
+    if (!preload) {
+    
+      setenv("AFL_PRELOAD", libqasan, 0);
+    
+    } else {
+    
+      u8 *result = ck_alloc(strlen(libqasan) + strlen(preload) + 2);
+      strcpy(result, libqasan);
+      strcat(result, " ");
+      strcat(result, preload);
+      
+      setenv("AFL_PRELOAD", result, 1);
+      ck_free(result);
+    
+    }
+    
+    ck_free(libqasan);
+  
+  }
+
   map_size = get_map_size();
 
   use_hex_offsets = !!get_afl_env("AFL_ANALYZE_HEX");