1 files changed, 53 insertions, 0 deletions
diff --git a/sysdeps/aarch64/tst-sme-clone.c b/sysdeps/aarch64/tst-sme-clone.c
new file mode 100644
index 0000000000..7106ec7926
--- /dev/null
+++ b/sysdeps/aarch64/tst-sme-clone.c
@@ -0,0 +1,53 @@
+/* Test that ZA state of SME is cleared in both parent and child
+   when clone() syscall is used.
+   Copyright (C) 2025 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#include "tst-sme-skeleton.c"
+
+#include <support/xsched.h>
+
+static int
+fun (void * const arg)
+{
+  printf ("in child: %s\n", (const char *)arg);
+  /* Check that ZA state of SME was disabled in child.  */
+  check_sme_za_state ("after clone in child", /* Clear.  */ true);
+  return 0;
+}
+
+static char __attribute__((aligned(16)))
+stack[1024 * 1024];
+
+static void
+run (struct blk *ptr)
+{
+  char *syscall_name = (char *)"clone";
+  printf ("in parent: before %s\n", syscall_name);
+
+  /* Enabled ZA state so that effect of disabling be observable.  */
+  enable_sme_za_state (ptr);
+  check_sme_za_state ("before clone", /* Clear.  */ false);
+
+  pid_t pid = xclone (fun, syscall_name, stack, sizeof (stack),
+		      CLONE_NEWUSER | CLONE_NEWNS | SIGCHLD);
+
+  /* Check that ZA state of SME was disabled in parent.  */
+  check_sme_za_state ("after clone in parent", /* Clear.  */ true);
+
+  TEST_VERIFY (xwaitpid (pid, NULL, 0) == pid);
+}