From 19fcec84d8d7d21e796c7624e521b60d28ee21ed Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:45:59 +0200 Subject: Adding upstream version 16.2.11+ds. Signed-off-by: Daniel Baumann --- src/zstd/tests/gzip/memcpy-abuse.sh | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 src/zstd/tests/gzip/memcpy-abuse.sh (limited to 'src/zstd/tests/gzip/memcpy-abuse.sh') diff --git a/src/zstd/tests/gzip/memcpy-abuse.sh b/src/zstd/tests/gzip/memcpy-abuse.sh new file mode 100644 index 000000000..7d5c056de --- /dev/null +++ b/src/zstd/tests/gzip/memcpy-abuse.sh @@ -0,0 +1,34 @@ +#!/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 . +# 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 -- cgit v1.2.3