diff --git a/arch/sandbox/Makefile b/arch/sandbox/Makefile
index c08ea0c..2702122 100644
--- a/arch/sandbox/Makefile
+++ b/arch/sandbox/Makefile
@@ -12,6 +12,7 @@
 
 TEXT_BASE = $(CONFIG_TEXT_BASE)
 KBUILD_CFLAGS += -Dmalloc=barebox_malloc -Dcalloc=barebox_calloc \
+		-Dmalloc_stats=barebox_malloc_stats -Dmemalign=barebox_memalign \
 		-Dfree=barebox_free -Drealloc=barebox_realloc \
 		-Dread=barebox_read -Dwrite=barebox_write \
 		-Dopen=barebox_open -Dclose=barebox_close \
diff --git a/arch/sandbox/os/Makefile b/arch/sandbox/os/Makefile
index ed92144..df6d597 100644
--- a/arch/sandbox/os/Makefile
+++ b/arch/sandbox/os/Makefile
@@ -10,6 +10,7 @@
 NOSTDINC_FLAGS :=
 
 obj-y = common.o tap.o
+obj-$(CONFIG_MALLOC_LIBC) += libc_malloc.o
 
 CFLAGS_sdl.o = $(shell pkg-config sdl --cflags)
 obj-$(CONFIG_DRIVER_VIDEO_SDL) += sdl.o
diff --git a/arch/sandbox/os/libc_malloc.c b/arch/sandbox/os/libc_malloc.c
new file mode 100644
index 0000000..74e3e26
--- /dev/null
+++ b/arch/sandbox/os/libc_malloc.c
@@ -0,0 +1,36 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2020 Ahmad Fatoum <a.fatoum@pengutronix.de>
+ */
+
+#include <stdlib.h>
+#include <malloc.h>
+
+void barebox_malloc_stats(void)
+{
+}
+
+void *barebox_memalign(size_t alignment, size_t bytes)
+{
+	return memalign(alignment, bytes);
+}
+
+void *barebox_malloc(size_t size)
+{
+	return malloc(size);
+}
+
+void barebox_free(void *ptr)
+{
+	free(ptr);
+}
+
+void *barebox_realloc(void *ptr, size_t size)
+{
+	return realloc(ptr, size);
+}
+
+void *barebox_calloc(size_t n, size_t elem_size)
+{
+	return calloc(n, elem_size);
+}
diff --git a/common/Kconfig b/common/Kconfig
index ac282d8..4bd4a09 100644
--- a/common/Kconfig
+++ b/common/Kconfig
@@ -313,6 +313,13 @@
 	  memory is never freed. This is suitable for well tested noninteractive
 	  environments only.
 
+config MALLOC_LIBC
+	bool "libc malloc"
+	depends on SANDBOX
+	help
+	  select this option to use the libc malloc implementation in the sandbox.
+	  This is benefecial for testing with external memory integrity tools.
+
 endchoice
 
 config MODULES