1 files changed, 78 insertions, 0 deletions
diff --git a/REORG.TODO/debug/tst-longjmp_chk.c b/REORG.TODO/debug/tst-longjmp_chk.c
new file mode 100644
index 0000000000..e4e93d2a36
--- /dev/null
+++ b/REORG.TODO/debug/tst-longjmp_chk.c
@@ -0,0 +1,78 @@
+/* Basic test to make sure doing a longjmp to a jmpbuf with an invalid sp
+   is caught by the fortification code.  */
+#include <errno.h>
+#include <fcntl.h>
+#include <paths.h>
+#include <setjmp.h>
+#include <signal.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+
+static int do_test(void);
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"
+
+
+static jmp_buf b;
+
+
+static void
+__attribute__ ((noinline))
+f (void)
+{
+  char buf[1000];
+  asm volatile ("" : "=m" (buf));
+
+  if (setjmp (b) != 0)
+    {
+      puts ("second longjmp succeeded");
+      exit (1);
+    }
+}
+
+
+static bool expected_to_fail;
+
+
+static void
+handler (int sig)
+{
+  if (expected_to_fail)
+    _exit (0);
+  else
+    {
+      static const char msg[] = "unexpected longjmp failure\n";
+      TEMP_FAILURE_RETRY (write (STDOUT_FILENO, msg, sizeof (msg) - 1));
+      _exit (1);
+    }
+}
+
+
+static int
+do_test (void)
+{
+  set_fortify_handler (handler);
+
+
+  expected_to_fail = false;
+
+  if (setjmp (b) == 0)
+    {
+      longjmp (b, 1);
+      /* NOTREACHED */
+      printf ("first longjmp returned\n");
+      return 1;
+    }
+
+
+  expected_to_fail = true;
+
+  f ();
+  longjmp (b, 1);
+
+  puts ("second longjmp returned");
+  return 1;
+}