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Test CT asm under valgrind

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Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
This commit is contained in:
Dave Rodgman 2023-07-31 18:07:44 +01:00 committed by Dave Rodgman
parent 822c9c7d4e
commit 246210e3c4
2 changed files with 28 additions and 2 deletions
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10
library/constant_time_impl.h
View File

@ -48,8 +48,14 @@
#pragma GCC diagnostic ignored "-Wredundant-decls"
#endif
/* Disable asm under Memsan because it confuses Memsan and generates false errors */
#if defined(MBEDTLS_TEST_CONSTANT_FLOW_MEMSAN)
/* Disable asm under Memsan because it confuses Memsan and generates false errors.
*
* We also disable under Valgrind by default, because it's more useful
* for Valgrind to test the plain C implementation. MBEDTLS_TEST_CONSTANT_FLOW_ASM //no-check-names
* may be set to permit building asm under Valgrind.
*/
#if defined(MBEDTLS_TEST_CONSTANT_FLOW_MEMSAN) || \
(defined(MBEDTLS_TEST_CONSTANT_FLOW_VALGRIND) && !defined(MBEDTLS_TEST_CONSTANT_FLOW_ASM)) //no-check-names
#define MBEDTLS_CT_NO_ASM
#elif defined(__has_feature)
#if __has_feature(memory_sanitizer)

20
tests/scripts/all.sh
View File

@ -1892,6 +1892,16 @@ skip_suites_without_constant_flow () {
export SKIP_TEST_SUITES
}
skip_all_except_given_suite () {
# Skip all but the given test suite
SKIP_TEST_SUITES=$(
ls -1 tests/suites/test_suite_*.function |
grep -v $1.function |
sed 's/tests.suites.test_suite_//; s/\.function$//' |
tr '\n' ,)
export SKIP_TEST_SUITES
}
component_test_memsan_constant_flow () {
# This tests both (1) accesses to undefined memory, and (2) branches or
# memory access depending on secret values. To distinguish between those:
@ -1951,6 +1961,16 @@ component_test_valgrind_constant_flow () {
# details are left in Testing/<date>/DynamicAnalysis.xml
msg "test: some suites (full minus MBEDTLS_USE_PSA_CRYPTO, valgrind + constant flow)"
make memcheck
# Test asm path in constant time module - by default, it will test the plain C
# path under Valgrind or Memsan. Running only the constant_time tests is fast (<1s)
msg "test: valgrind asm constant_time"
scripts/config.py --force set MBEDTLS_TEST_CONSTANT_FLOW_ASM
skip_all_except_given_suite test_suite_constant_time
cmake -D CMAKE_BUILD_TYPE:String=Release .
make clean
make
make memcheck
}
component_test_valgrind_constant_flow_psa () {