1#!/bin/sh
2# Trigger a free-memory read bug in cp from coreutils-[8.11..8.19]
3
4# Copyright (C) 2012-2023 Free Software Foundation, Inc.
5
6# This program is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14# GNU General Public License for more details.
15
16# You should have received a copy of the GNU General Public License
17# along with this program.  If not, see <https://www.gnu.org/licenses/>.
18
19. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
20print_ver_ cp
21
22require_valgrind_
23require_perl_
24
25# Trigger FMR in fiemap logic from v8.11..v8.19
26$PERL -e 'for (1..600) { sysseek (*STDOUT, 4096, 1)' \
27  -e '&& syswrite (*STDOUT, "a" x 1024) or die "$!"}' > j || fail=1
28valgrind --quiet --error-exitcode=3 cp --reflink=never j j2 || fail=1
29cmp j j2 || fail=1
30
31Exit $fail
32