fix of fix: make sure ASAN_OPTIONS and LSAN_OPTIONS agree on leak detection

1 files changed, 9 insertions, 3 deletions

diff --git a/src/afl-common.c b/src/afl-common.c
index 9ba7116d..65932e26 100644
--- a/src/afl-common.c
+++ b/src/afl-common.c
@@ -98,14 +98,16 @@ void set_sanitizer_defaults() {
   }
 
   /* LSAN does not support abort_on_error=1. (is this still true??) */
+  u8 should_detect_leaks = 0;
 
   if (!have_lsan_options) {
 
     u8 buf[2048] = "";
     if (!have_san_options) { strcpy(buf, default_options); }
-    if (have_san_options && NULL != strstr(have_asan_options, "detect_leaks=0")) {
-      strcat(buf, "exitcode=" STRINGIFY(LSAN_ERROR) ":fast_unwind_on_malloc=0:print_suppressions=0:detect_leaks=0:malloc_context_size=30:");
+    if (have_asan_options && NULL != strstr(have_asan_options, "detect_leaks=0")) {
+      strcat(buf, "exitcode=" STRINGIFY(LSAN_ERROR) ":fast_unwind_on_malloc=0:print_suppressions=0:detect_leaks=0:malloc_context_size=0:");
     } else {
+      should_detect_leaks = 1;
       strcat(buf, "exitcode=" STRINGIFY(LSAN_ERROR) ":fast_unwind_on_malloc=0:print_suppressions=0:detect_leaks=1:malloc_context_size=30:");
     }
 
@@ -117,7 +119,11 @@ void set_sanitizer_defaults() {
 
   if (!have_lsan_options) {
 
-    strcat(default_options, "detect_leaks=0:malloc_context_size=0:");
+    if (should_detect_leaks) {
+      strcat(default_options, "detect_leaks=1:malloc_context_size=30:");
+    } else {
+      strcat(default_options, "detect_leaks=0:malloc_context_size=0:");
+    }
 
   }