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selftests/sgx: Defeat execute permissions test

Message ID 20210429183952.22797-2-tim.gardner@canonical.com (mailing list archive)
State New, archived
Headers show
Series selftests/sgx: Defeat execute permissions test | expand

Commit Message

Tim Gardner April 29, 2021, 6:39 p.m. UTC 
The permissions check on /dev/sgx_enclave appears to be an oversight
in that it will not allow the test to continue. Skipping this test
with a warning allows the test to proceed.

Cc: Jarkko Sakkinen <jarkko@kernel.org>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: linux-sgx@vger.kernel.org
Cc: linux-kselftest@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
---
 tools/testing/selftests/sgx/load.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)
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Patch

diff --git a/tools/testing/selftests/sgx/load.c b/tools/testing/selftests/sgx/load.c
index f441ac34b4d4..e5bcaca1c372 100644
--- a/tools/testing/selftests/sgx/load.c
+++ b/tools/testing/selftests/sgx/load.c
@@ -155,10 +155,8 @@  bool encl_load(const char *path, struct encl *encl)
 	 * bits set.  It does not check that the current user is
 	 * the owner or in the owning group.
 	 */
-	if (!(sb.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH))) {
-		fprintf(stderr, "no execute permissions on device file %s\n", device_path);
-		goto err;
-	}
+	if (!(sb.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH)))
+		fprintf(stderr, "Warning: no execute permissions on device file %s\n", device_path);
 
 	ptr = mmap(NULL, PAGE_SIZE, PROT_READ, MAP_SHARED, fd, 0);
 	if (ptr == (void *)-1) {