Merge pull request #2871 from gilles-peskine-arm/test_malloc_0_null-2.16

Backport 2.16: Test the library when malloc(0) returns NULL
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Jaeden Amero 2019-10-22 13:41:48 +01:00 committed by GitHub
commit 8fedeaacd5
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3 changed files with 137 additions and 0 deletions

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@ -0,0 +1,39 @@
/* config.h wrapper that forces calloc(0) to return NULL.
* Used for testing.
*/
/*
* Copyright (C) 2019, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
#ifndef MBEDTLS_CONFIG_H
/* Don't #define MBEDTLS_CONFIG_H, let config.h do it. */
#include "mbedtls/config.h"
#include <stdlib.h>
static inline void *custom_calloc( size_t nmemb, size_t size )
{
if( nmemb == 0 || size == 0 )
return( NULL );
return( calloc( nmemb, size ) );
}
#define MBEDTLS_PLATFORM_MEMORY
#define MBEDTLS_PLATFORM_STD_CALLOC custom_calloc
#endif /* MBEDTLS_CONFIG_H */

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@ -992,6 +992,21 @@ component_test_platform_calloc_macro () {
make test
}
component_test_malloc_0_null () {
msg "build: malloc(0) returns NULL (ASan+UBSan build)"
scripts/config.pl full
scripts/config.pl unset MBEDTLS_MEMORY_BUFFER_ALLOC_C
make CC=gcc CFLAGS="'-DMBEDTLS_CONFIG_FILE=\"$PWD/tests/configs/config-wrapper-malloc-0-null.h\"' -O -Werror -Wall -Wextra -fsanitize=address,undefined" LDFLAGS='-fsanitize=address,undefined'
msg "test: malloc(0) returns NULL (ASan+UBSan build)"
make test
msg "selftest: malloc(0) returns NULL (ASan+UBSan build)"
# Just the calloc selftest. "make test" ran the others as part of the
# test suites.
if_build_succeeded programs/test/selftest calloc
}
component_test_aes_fewer_tables () {
msg "build: default config with AES_FEWER_TABLES enabled"
scripts/config.pl set MBEDTLS_AES_FEWER_TABLES