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Disable memory_buffer_alloc in the full config

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Enabling MBEDTLS_MEMORY_BUFFER_ALLOC_C module together with
MBEDTLS_PLATFORM_MEMORY causes the library to use its own malloc
replacement. This makes memory management analyzers such as ASan
largely ineffective. We now test MBEDTLS_MEMORY_BUFFER_ALLOC_C
separately. Disable it in the "full" config.

This mirrors a change that was made in Mbed TLS on config.pl and had
not been ported to Mbed Crypto yet.

With this commit, config.py is aligned in Mbed Crypto and Mbed TLS.
This commit is contained in:
Gilles Peskine
2019-11-15 11:53:42 +01:00
parent 9afbfdc833
commit 24600e8290
2 changed files with 3 additions and 18 deletions
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5
scripts/config.py
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@ -169,6 +169,9 @@ def include_in_full(name):
'MBEDTLS_ECDH_VARIANT_EVEREST_ENABLED',
'MBEDTLS_ECP_RESTARTABLE',
'MBEDTLS_HAVE_SSE2',
'MBEDTLS_MEMORY_BACKTRACE',
'MBEDTLS_MEMORY_BUFFER_ALLOC_C',
'MBEDTLS_MEMORY_DEBUG',
'MBEDTLS_NO_64BIT_MULTIPLICATION',
'MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES',
'MBEDTLS_NO_PLATFORM_ENTROPY',
@ -201,8 +204,6 @@ def keep_in_baremetal(name):
'MBEDTLS_HAVEGE_C',
'MBEDTLS_HAVE_TIME',
'MBEDTLS_HAVE_TIME_DATE',
'MBEDTLS_MEMORY_BACKTRACE',
'MBEDTLS_MEMORY_BUFFER_ALLOC_C',
'MBEDTLS_PLATFORM_FPRINTF_ALT',
'MBEDTLS_PLATFORM_TIME_ALT',
'MBEDTLS_PSA_CRYPTO_SE_C',