When calculating ELRANGE, i.e. the address range defined for an enclave, and represented by encl->encl_size, also dynamic memory should be taken into account. Implement setup_test_encl_dynamic() with dynamic_size parameter for the dynamic heap size, and use it in 'augment_via_eaccept' and 'augment' tests.

Signed-off-by: Jarkko Sakkinen jarkko@kernel.org --- v2: * Specify a dynamic heap of three pages for tcs_create test. * Specify required dynamic heap inside the test cases instead of ENCL_DYNAMIC_SIZE_DEFAULT because the dynamic heaps size varies between the test cases. --- tools/testing/selftests/sgx/load.c | 5 +++-- tools/testing/selftests/sgx/main.c | 22 +++++++++++++++------- tools/testing/selftests/sgx/main.h | 3 ++- 3 files changed, 20 insertions(+), 10 deletions(-)

diff --git a/tools/testing/selftests/sgx/load.c b/tools/testing/selftests/sgx/load.c index 3b4e2422fb09..963a5c6bbbdc 100644 --- a/tools/testing/selftests/sgx/load.c +++ b/tools/testing/selftests/sgx/load.c @@ -171,7 +171,8 @@ uint64_t encl_get_entry(struct encl *encl, const char *symbol) return 0; }

-bool encl_load(const char *path, struct encl *encl, unsigned long heap_size) +bool encl_load(const char *path, struct encl *encl, unsigned long heap_size, + unsigned long dynamic_size) { const char device_path[] = "/dev/sgx_enclave"; unsigned long contents_size; @@ -299,7 +300,7 @@ bool encl_load(const char *path, struct encl *encl, unsigned long heap_size) if (seg->src == MAP_FAILED) goto err;

- contents_size = encl->segment_tbl[j].offset + encl->segment_tbl[j].size; + contents_size = encl->segment_tbl[j].offset + encl->segment_tbl[j].size + dynamic_size;

for (encl->encl_size = 4096; encl->encl_size < contents_size; ) encl->encl_size <<= 1; diff --git a/tools/testing/selftests/sgx/main.c b/tools/testing/selftests/sgx/main.c index a1850e139c99..78c3b913ce10 100644 --- a/tools/testing/selftests/sgx/main.c +++ b/tools/testing/selftests/sgx/main.c @@ -173,8 +173,8 @@ FIXTURE(enclave) { struct sgx_enclave_run run; };

-static bool setup_test_encl(unsigned long heap_size, struct encl *encl, - struct __test_metadata *_metadata) +static bool setup_test_encl_dynamic(unsigned long heap_size, unsigned long dynamic_size, + struct encl *encl, struct __test_metadata *_metadata) { Elf64_Sym *sgx_enter_enclave_sym = NULL; struct vdso_symtab symtab; @@ -184,7 +184,7 @@ static bool setup_test_encl(unsigned long heap_size, struct encl *encl, unsigned int i; void *addr;

- if (!encl_load("test_encl.elf", encl, heap_size)) { + if (!encl_load("test_encl.elf", encl, heap_size, dynamic_size)) { encl_delete(encl); TH_LOG("Failed to load the test enclave."); return false; @@ -251,6 +251,12 @@ static bool setup_test_encl(unsigned long heap_size, struct encl *encl, return false; }

+static bool setup_test_encl(unsigned long heap_size, struct encl *encl, + struct __test_metadata *_metadata) +{ + return setup_test_encl_dynamic(heap_size, 0, encl, _metadata); +} + FIXTURE_SETUP(enclave) { } @@ -1013,7 +1019,8 @@ TEST_F(enclave, augment) if (!sgx2_supported()) SKIP(return, "SGX2 not supported");

- ASSERT_TRUE(setup_test_encl(ENCL_HEAP_SIZE_DEFAULT, &self->encl, _metadata)); + ASSERT_TRUE(setup_test_encl_dynamic(ENCL_HEAP_SIZE_DEFAULT, PAGE_SIZE, &self->encl, + _metadata));

memset(&self->run, 0, sizeof(self->run)); self->run.tcs = self->encl.encl_base; @@ -1143,7 +1150,8 @@ TEST_F(enclave, augment_via_eaccept) if (!sgx2_supported()) SKIP(return, "SGX2 not supported");

- ASSERT_TRUE(setup_test_encl(ENCL_HEAP_SIZE_DEFAULT, &self->encl, _metadata)); + ASSERT_TRUE(setup_test_encl_dynamic(ENCL_HEAP_SIZE_DEFAULT, PAGE_SIZE, &self->encl, + _metadata));

memset(&self->run, 0, sizeof(self->run)); self->run.tcs = self->encl.encl_base; @@ -1264,8 +1272,8 @@ TEST_F(enclave, tcs_create) int errno_save; int ret, i;

- ASSERT_TRUE(setup_test_encl(ENCL_HEAP_SIZE_DEFAULT, &self->encl, - _metadata)); + ASSERT_TRUE(setup_test_encl_dynamic(ENCL_HEAP_SIZE_DEFAULT, 3 * PAGE_SIZE, &self->encl, + _metadata));

memset(&self->run, 0, sizeof(self->run)); self->run.tcs = self->encl.encl_base; diff --git a/tools/testing/selftests/sgx/main.h b/tools/testing/selftests/sgx/main.h index 9c1bc0d9b43c..8f77ce56ad09 100644 --- a/tools/testing/selftests/sgx/main.h +++ b/tools/testing/selftests/sgx/main.h @@ -32,7 +32,8 @@ extern unsigned char sign_key[]; extern unsigned char sign_key_end[];

void encl_delete(struct encl *ctx); -bool encl_load(const char *path, struct encl *encl, unsigned long heap_size); +bool encl_load(const char *path, struct encl *encl, unsigned long heap_size, + unsigned long dynamic_size); bool encl_measure(struct encl *encl); bool encl_build(struct encl *encl); uint64_t encl_get_entry(struct encl *encl, const char *symbol);