1 files changed, 64 insertions, 0 deletions
diff --git a/tests/sys/vm/stack/stack_dlopen_exec_test.c b/tests/sys/vm/stack/stack_dlopen_exec_test.c
new file mode 100644
index 000000000000..d4d5fc7c5cf0
--- /dev/null
+++ b/tests/sys/vm/stack/stack_dlopen_exec_test.c
@@ -0,0 +1,64 @@
+/*-
+ * Copyright (c) 2023 Dmitry Chagin <dchagin@FreeBSD.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <sys/systm.h>
+#include <vm/vm_param.h>
+
+#include <atf-c.h>
+#include <dlfcn.h>
+
+static int jumpstack0(void) __noinline;
+static int jumpstack1(void) __noinline;
+
+static int (*socheckstack)(void) = NULL;
+
+static int
+checkstack(void)
+{
+	void *fh;
+
+	if (socheckstack == NULL) {
+		fh = dlopen("libsoxstack.so", RTLD_LAZY);
+		ATF_REQUIRE(fh != NULL);
+		socheckstack = dlsym(fh, "checkstack");
+		ATF_REQUIRE(socheckstack != NULL);
+	}
+	return (socheckstack());
+}
+
+static int
+jumpstack0(void)
+{
+	char stack[SGROWSIZ];
+
+	explicit_bzero(stack, sizeof(stack));
+	return (checkstack());
+}
+
+static int
+jumpstack1(void)
+{
+	char stack[SGROWSIZ * 2];
+
+	explicit_bzero(stack, sizeof(stack));
+	return (checkstack());
+}
+
+ATF_TC_WITHOUT_HEAD(dlopen_test);
+ATF_TC_BODY(dlopen_test, tc)
+{
+
+	ATF_REQUIRE(jumpstack0() == 0);
+	ATF_REQUIRE(jumpstack1() == 0);
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+
+	ATF_TP_ADD_TC(tp, dlopen_test);
+
+	return (atf_no_error());
+}