mirror of
https://github.com/facebook/zstd.git
synced 2025-03-06 16:56:49 +02:00
fcaf06ddb4
* add check for valid dest buffer and fuzz on random dest ptr when malloc 0 * add uptrval to linux-kernel * remove bin files * get rid of uptrval * restrict max pointer value check to platforms where sizeof(size_t) == sizeof(void*)
49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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* All rights reserved.
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*
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* This source code is licensed under both the BSD-style license (found in the
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* LICENSE file in the root directory of this source tree) and the GPLv2 (found
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* in the COPYING file in the root directory of this source tree).
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* You may select, at your option, one of the above-listed licenses.
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*/
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#include "fuzz_helpers.h"
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#include <stddef.h>
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#include <stdlib.h>
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#include <string.h>
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void* FUZZ_malloc(size_t size)
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{
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if (size > 0) {
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void* const mem = malloc(size);
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FUZZ_ASSERT(mem);
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return mem;
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}
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return NULL;
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}
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void* FUZZ_malloc_rand(size_t size, FUZZ_dataProducer_t *producer)
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{
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if (size > 0) {
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void* const mem = malloc(size);
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FUZZ_ASSERT(mem);
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return mem;
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} else {
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uintptr_t ptr = 0;
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/* Add +- 1M 50% of the time */
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if (FUZZ_dataProducer_uint32Range(producer, 0, 1))
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FUZZ_dataProducer_int32Range(producer, -1000000, 1000000);
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return (void*)ptr;
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}
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}
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int FUZZ_memcmp(void const* lhs, void const* rhs, size_t size)
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{
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if (size == 0) {
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return 0;
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}
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return memcmp(lhs, rhs, size);
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}
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