1*01826a49SYabin Cui#!/bin/sh 2*01826a49SYabin Cui# Before gzip-1.4, this the use of memcpy in inflate_codes could 3*01826a49SYabin Cui# mistakenly operate on overlapping regions. Exercise that code. 4*01826a49SYabin Cui 5*01826a49SYabin Cui# Copyright (C) 2010-2016 Free Software Foundation, Inc. 6*01826a49SYabin Cui 7*01826a49SYabin Cui# This program is free software: you can redistribute it and/or modify 8*01826a49SYabin Cui# it under the terms of the GNU General Public License as published by 9*01826a49SYabin Cui# the Free Software Foundation, either version 3 of the License, or 10*01826a49SYabin Cui# (at your option) any later version. 11*01826a49SYabin Cui 12*01826a49SYabin Cui# This program is distributed in the hope that it will be useful, 13*01826a49SYabin Cui# but WITHOUT ANY WARRANTY; without even the implied warranty of 14*01826a49SYabin Cui# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15*01826a49SYabin Cui# GNU General Public License for more details. 16*01826a49SYabin Cui 17*01826a49SYabin Cui# You should have received a copy of the GNU General Public License 18*01826a49SYabin Cui# along with this program. If not, see <https://www.gnu.org/licenses/>. 19*01826a49SYabin Cui# limit so don't run it by default. 20*01826a49SYabin Cui 21*01826a49SYabin Cui. "${srcdir=.}/init.sh"; path_prepend_ . 22*01826a49SYabin Cui 23*01826a49SYabin Cui# The input must be larger than 32KiB and slightly 24*01826a49SYabin Cui# less uniform than e.g., all zeros. 25*01826a49SYabin Cuiprintf wxy%032767d 0 | tee in | gzip > in.gz || framework_failure_ 26*01826a49SYabin Cui 27*01826a49SYabin Cuifail=0 28*01826a49SYabin Cui 29*01826a49SYabin Cui# Before the fix, this would call memcpy with overlapping regions. 30*01826a49SYabin Cuigzip -dc in.gz > out || fail=1 31*01826a49SYabin Cui 32*01826a49SYabin Cuicompare in out || fail=1 33*01826a49SYabin Cui 34*01826a49SYabin CuiExit $fail 35