MALLOC_CHECK_=7 is better malloc_check_ :)
diff --git a/linux/arch.c b/linux/arch.c
index da357bd..971a053 100644
--- a/linux/arch.c
+++ b/linux/arch.c
@@ -122,7 +122,7 @@
     /*
      * Kill a process which corrupts its own heap (with ABRT)
      */
-    if (setenv("MALLOC_CHECK_", "3", 0) == -1) {
+    if (setenv("MALLOC_CHECK_", "7", 0) == -1) {
         PLOG_E("setenv(MALLOC_CHECK_=3) failed");
         return false;
     }