diff --git a/libc/libc.map.txt b/libc/libc.map.txt
index bc26d2a..b36ee4c 100644
--- a/libc/libc.map.txt
+++ b/libc/libc.map.txt
@@ -1468,10 +1468,10 @@
     __system_properties_init; # apex
 
     # Used by libmemunreachable
-    malloc_backtrace; # apex
-    malloc_disable; # apex
-    malloc_enable; # apex
-    malloc_iterate; # apex
+    malloc_backtrace; # apex vndk
+    malloc_disable; # apex vndk
+    malloc_enable; # apex vndk
+    malloc_iterate; # apex vndk
 
     # Used by libandroid_net
     android_getaddrinfofornet; # apex
diff --git a/libc/malloc_debug/Android.bp b/libc/malloc_debug/Android.bp
index bcbd7da..aae16f1 100644
--- a/libc/malloc_debug/Android.bp
+++ b/libc/malloc_debug/Android.bp
@@ -3,8 +3,8 @@
 // ==============================================================
 // Used by libmemunreachable
 cc_library_static {
-
     name: "libc_malloc_debug_backtrace",
+    vendor_available: true,
 
     srcs: [
         "backtrace.cpp",