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Modern s390x x15 has accelerated zlib operations on the CPU. Many distros currently have patches to take advantage of this feature. One side-effect of these patches is that compression routine is no longer deterministic as with software. Interruption to input produces different compressed results. Invalid input can result in processor fault. PR-URL: https://github.com/nodejs/node/pull/44117 Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Michael Dawson <midawson@redhat.com> Reviewed-By: Richard Lau <rlau@redhat.com>
61 lines
2.1 KiB
JavaScript
61 lines
2.1 KiB
JavaScript
// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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'use strict';
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const common = require('../common');
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const assert = require('assert');
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const zlib = require('zlib');
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// String "test" encoded with dictionary "dict".
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const input = Buffer.from([0x78, 0xBB, 0x04, 0x09, 0x01, 0xA5]);
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{
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const stream = zlib.createInflate();
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stream.on('error', common.mustCall(function(err) {
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assert.match(err.message, /Missing dictionary/);
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}));
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stream.write(input);
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}
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{
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const stream = zlib.createInflate({ dictionary: Buffer.from('fail') });
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stream.on('error', common.mustCall(function(err) {
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assert.match(err.message, /Bad dictionary/);
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}));
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stream.write(input);
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}
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{
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const stream = zlib.createInflateRaw({ dictionary: Buffer.from('fail') });
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stream.on('error', common.mustCall(function(err) {
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// It's not possible to separate invalid dict and invalid data when using
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// the raw format
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assert.match(err.message, /(invalid|Operation-Ending-Supplemental Code is 0x12)/);
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}));
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stream.write(input);
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}
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