1 files changed, 63 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/x86/tst-cet-property-2.c b/sysdeps/unix/sysv/linux/x86/tst-cet-property-2.c
new file mode 100644
index 0000000000..0531074ceb
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/x86/tst-cet-property-2.c
@@ -0,0 +1,63 @@
+/* Test CET property note parser for [BZ #23467].
+   Copyright (C) 2018 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
+   <http://www.gnu.org/licenses/>.  */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <signal.h>
+#include <support/check.h>
+
+extern void bar (void);
+
+void
+__attribute__ ((noclone, noinline))
+test (void (*func_p) (void))
+{
+  func_p ();
+}
+
+/* bar contains an IBT violation if it is called indirectly via a
+   function pointer.  On IBT machines, it should lead to segfault
+   unless IBT is disabled by error.  */
+
+static void
+sig_handler (int signo)
+{
+  exit (EXIT_SUCCESS);
+}
+
+static int
+do_test (void)
+{
+  char buf[20];
+
+  if (scanf ("%20s", buf) != 1)
+    FAIL_UNSUPPORTED ("IBT not supported");
+
+  if (strcmp (buf, "IBT") != 0)
+    FAIL_UNSUPPORTED ("IBT not supported");
+
+  TEST_VERIFY_EXIT (signal (SIGSEGV, &sig_handler) != SIG_ERR);
+
+  /* Call bar via a function pointer to force an IBT violation.  */
+  test (bar);
+
+  return EXIT_FAILURE;
+}
+
+#include <support/test-driver.c>