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Fix memory allocation fail in TCP mock socket

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Because two buffers were aliased too early in the code, it was possible that
after an allocation failure, free() would be called twice for the same pointer.
This commit is contained in:
Piotr Nowicki 2020-01-28 12:09:47 +01:00
parent 890b5ca330
commit d796e19d3b
1 changed files with 16 additions and 14 deletions
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30
tests/suites/test_suite_ssl.function
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@ -224,20 +224,7 @@ int mbedtls_mock_socket_connect( mbedtls_mock_socket* peer1,
{
int ret = -1;
peer1->input = peer2->output =
(mbedtls_test_buffer*) mbedtls_calloc( 1, sizeof(mbedtls_test_buffer) );
if( peer1->input == NULL )
{
ret = MBEDTLS_ERR_SSL_ALLOC_FAILED;
goto exit;
}
mbedtls_test_buffer_init( peer1->input );
if( 0 != ( ret = mbedtls_test_buffer_setup( peer1->input, bufsize ) ) )
{
goto exit;
}
peer1->output = peer2->input =
peer1->output =
(mbedtls_test_buffer*) mbedtls_calloc( 1, sizeof(mbedtls_test_buffer) );
if( peer1->output == NULL )
{
@ -250,8 +237,23 @@ int mbedtls_mock_socket_connect( mbedtls_mock_socket* peer1,
goto exit;
}
peer2->output =
(mbedtls_test_buffer*) mbedtls_calloc( 1, sizeof(mbedtls_test_buffer) );
if( peer2->output == NULL )
{
ret = MBEDTLS_ERR_SSL_ALLOC_FAILED;
goto exit;
}
mbedtls_test_buffer_init( peer2->output );
if( 0 != ( ret = mbedtls_test_buffer_setup( peer2->output, bufsize ) ) )
{
goto exit;
}
peer1->peer = peer2;
peer2->peer = peer1;
peer1->input = peer2->output;
peer2->input = peer1->output;
peer1->status = peer2->status = MBEDTLS_MOCK_SOCKET_CONNECTED;
ret = 0;