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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
commit | e6918187568dbd01842d8d1d2c808ce16a894239 (patch) | |
tree | 64f88b554b444a49f656b6c656111a145cbbaa28 /src/zstd/tests/gzip/memcpy-abuse.sh | |
parent | Initial commit. (diff) | |
download | ceph-e6918187568dbd01842d8d1d2c808ce16a894239.tar.xz ceph-e6918187568dbd01842d8d1d2c808ce16a894239.zip |
Adding upstream version 18.2.2.upstream/18.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/zstd/tests/gzip/memcpy-abuse.sh')
-rw-r--r-- | src/zstd/tests/gzip/memcpy-abuse.sh | 34 |
1 files changed, 34 insertions, 0 deletions
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 <http://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 |