1 files changed, 38 insertions, 0 deletions
diff --git a/testsuite/newline-dfa-bug.sh b/testsuite/newline-dfa-bug.sh
new file mode 100755
index 0000000..91f1ed1
--- /dev/null
+++ b/testsuite/newline-dfa-bug.sh
@@ -0,0 +1,38 @@
+#!/bin/sh
+# sed may access to uninitialized memory if transit to 15th dfa state
+# with newline.  This bug affected sed version 4.3.
+
+# Copyright (C) 2017 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 <http://www.gnu.org/licenses/>.
+. "${srcdir=.}/testsuite/init.sh"; path_prepend_ ./sed
+print_ver_ sed
+
+require_valgrind_
+
+printf 'abcdefg abcdefg\nB\n' > in || framework_failure_
+printf 'B\n' > exp || framework_failure_
+
+valgrind --quiet --error-exitcode=1 \
+  sed 'N;s/abcdefg.*\n//' in > out 2> err || fail=1
+
+# Work around a bug in CentOS 5.10's valgrind
+# FIXME: remove in 2018 or when CentOS 5 is no longer officially supported
+grep 'valgrind: .*Assertion.*failed' err > /dev/null \
+  && skip_ 'you seem to have a buggy version of valgrind'
+
+compare exp out || fail=1
+compare /dev/null err || fail=1
+
+Exit $fail