35 lines
1.2 KiB
Bash
35 lines
1.2 KiB
Bash
#!/bin/sh
|
|
# Before gzip-1.4, this the use of memcpy in inflate_codes could
|
|
# mistakenly operate on overlapping regions. Exercise that code.
|
|
|
|
# Copyright (C) 2010-2016 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/>.
|
|
# limit so don't run it by default.
|
|
|
|
. "${srcdir=.}/init.sh"; path_prepend_ .
|
|
|
|
# The input must be larger than 32KiB and slightly
|
|
# less uniform than e.g., all zeros.
|
|
printf wxy%032767d 0 | tee in | gzip > in.gz || framework_failure_
|
|
|
|
fail=0
|
|
|
|
# Before the fix, this would call memcpy with overlapping regions.
|
|
gzip -dc in.gz > out || fail=1
|
|
|
|
compare in out || fail=1
|
|
|
|
Exit $fail
|