1 files changed, 25 insertions, 0 deletions
diff --git a/src/grep/tests/dfa-heap-overrun b/src/grep/tests/dfa-heap-overrun
new file mode 100755
index 0000000..4ffa789
--- /dev/null
+++ b/src/grep/tests/dfa-heap-overrun
@@ -0,0 +1,25 @@
+#!/bin/sh
+# Trigger a heap overrun in grep-2.6..grep-2.8.
+
+# Copyright (C) 2011-2021 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program 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 General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+fail=0
+
+returns_ 1 grep -E '(^| )*(a|b)*(c|d)*( |$)' < /dev/null || fail=1
+
+Exit $fail