X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/15129b1c8dbb3650c63b70adb1cad9af601c6c17..22ba694c5857e62b5a553b1505dcf2e509177f28:/tools/tests/xnu_quick_test/shared_memory_tests.c

diff --git a/tools/tests/xnu_quick_test/shared_memory_tests.c b/tools/tests/xnu_quick_test/shared_memory_tests.c
index 9467e4d22..e22ce034e 100644
--- a/tools/tests/xnu_quick_test/shared_memory_tests.c
+++ b/tools/tests/xnu_quick_test/shared_memory_tests.c
@@ -57,6 +57,16 @@ int shm_tests( void * the_argp )
 		goto test_failed_exit;
 	}
 
+	if (my_shmid_ds.shm_internal != (void *) 0){
+		/*
+		 * The shm_internal field is a pointer reserved for kernel
+		 * use only.  It should not be leaked to user space.
+		 * (PR-15642873)
+		 */
+		printf( "shmctl failed to sanitize kernel internal pointer \n" );
+		goto test_failed_exit;
+	}
+
 	my_err = shmdt( my_shm_addr );
 	if ( my_err == -1 ) {
 		printf( "shmdt failed with error %d - \"%s\" \n", errno, strerror( errno) );