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Prevent false positive CF Test Failures

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Marked dirty memory ends up in the result buffer after encoding (due to
the input having been marked dirty), and then the final comparison
to make sure that we got what we expected was triggering the constant
flow checker.

Signed-off-by: Paul Elliott <paul.elliott@arm.com>
This commit is contained in:
Paul Elliott 2021-03-02 22:48:40 +00:00
parent 7dac825a3c
commit 4c71707987
1 changed files with 8 additions and 0 deletions
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8
tests/suites/test_suite_base64.function
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@ -25,6 +25,10 @@ void mbedtls_base64_encode( char * src_string, char * dst_string,
TEST_ASSERT( mbedtls_base64_encode( dst_str, dst_buf_size, &len, src_str, src_len) == result );
TEST_CF_PUBLIC( src_str, sizeof( src_str ) );
/* dest_str will have had tainted data copied to it, prevent the TEST_ASSERT below from triggering
CF failures by unmarking it. */
TEST_CF_PUBLIC( dst_str, len );
if( result == 0 )
{
TEST_ASSERT( strcmp( (char *) dst_str, dst_string ) == 0 );
@ -66,6 +70,10 @@ void base64_encode_hex( data_t * src, char * dst, int dst_buf_size,
TEST_ASSERT( mbedtls_base64_encode( res, dst_buf_size, &len, src->x, src->len ) == result );
TEST_CF_PUBLIC( src->x, src->len );
/* res will have had tainted data copied to it, prevent the TEST_ASSERT below from triggering
CF failures by unmarking it. */
TEST_CF_PUBLIC( res, len );
if( result == 0 )
{
TEST_ASSERT( len == strlen( dst ) );