diff --git a/none/tests/Makefile.am b/none/tests/Makefile.am
index 8d0564554..4b1c6d643 100644
--- a/none/tests/Makefile.am
+++ b/none/tests/Makefile.am
@@ -28,6 +28,7 @@ EXTRA_DIST = $(noinst_SCRIPTS) \
 	async-sigs.stderr.exp async-sigs.stdout.exp async-sigs.vgtest \
 	bitfield1.stderr.exp bitfield1.vgtest \
 	blockfault.vgtest blockfault.stderr.exp blockfault.stdout.exp \
+	bug129866.vgtest bug129866.stderr.exp bug129866.stdout.exp \
 	closeall.stderr.exp closeall.vgtest \
 	cmdline0.stderr.exp cmdline0.stdout.exp cmdline0.vgtest \
 	cmdline1.stderr.exp cmdline1.stdout.exp cmdline1.vgtest \
@@ -131,7 +132,9 @@ EXTRA_DIST = $(noinst_SCRIPTS) \
 
 check_PROGRAMS = \
 	ansi args \
-	async-sigs bitfield1 blockfault closeall coolo_strlen \
+	async-sigs bitfield1 blockfault \
+	bug129866 \
+	closeall coolo_strlen \
 	discard exec-sigmask execve faultstatus fcntl_setown \
 	fdleak_cmsg fdleak_creat fdleak_dup fdleak_dup2 \
 	fdleak_fcntl fdleak_ipv4 fdleak_open fdleak_pipe \
diff --git a/none/tests/bug129866.c b/none/tests/bug129866.c
new file mode 100644
index 000000000..23b04b360
--- /dev/null
+++ b/none/tests/bug129866.c
@@ -0,0 +1,34 @@
+
+#include <stdlib.h>
+char * touch_malloc (int size) 
+{
+  char * result;
+  int i;
+  result = malloc (size);
+  for (i = 0; i < size; i++)
+    *(result + i) = 'a';
+
+  return result;
+}
+char * touch_realloc (char * ptr, int size) 
+{
+  char * result;
+  int i;
+  result = realloc (ptr, size);
+  for (i = 0; i < size; i++)
+    *(result + i) = 'a';
+
+  return result;
+}
+
+int main ( void )
+{
+  char *a1, *b1, *a2, *b2;
+  printf("started\n");
+  a1 = touch_malloc(1600000) ;
+  b1 = touch_malloc(200000) ;
+  a2 = touch_realloc(a1, 1601600) ;
+  b2 = touch_realloc(b1, 200000) ;
+  printf("success\n");
+  return 0;
+};
diff --git a/none/tests/bug129866.stderr.exp b/none/tests/bug129866.stderr.exp
new file mode 100644
index 000000000..139597f9c
--- /dev/null
+++ b/none/tests/bug129866.stderr.exp
@@ -0,0 +1,2 @@
+
+
diff --git a/none/tests/bug129866.stdout.exp b/none/tests/bug129866.stdout.exp
new file mode 100644
index 000000000..3dd4876e2
--- /dev/null
+++ b/none/tests/bug129866.stdout.exp
@@ -0,0 +1,2 @@
+started
+success
diff --git a/none/tests/bug129866.vgtest b/none/tests/bug129866.vgtest
new file mode 100644
index 000000000..f3d046a90
--- /dev/null
+++ b/none/tests/bug129866.vgtest
@@ -0,0 +1 @@
+prog: bug129866