Adding upstream version 1.65.0+dfsg1.upstream/1.65.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 30 insertions, 4 deletions

diff --git a/library/std/src/sys/sgx/abi/usercalls/tests.rs b/library/std/src/sys/sgx/abi/usercalls/tests.rs
index cbf7d7d54..58b8eb215 100644
--- a/library/std/src/sys/sgx/abi/usercalls/tests.rs
+++ b/library/std/src/sys/sgx/abi/usercalls/tests.rs
@@ -1,8 +1,8 @@
-use super::alloc::copy_to_userspace;
 use super::alloc::User;
+use super::alloc::{copy_from_userspace, copy_to_userspace};
 
 #[test]
-fn test_copy_function() {
+fn test_copy_to_userspace_function() {
     let mut src = [0u8; 100];
     let mut dst = User::<[u8]>::uninitialized(100);
 
@@ -17,12 +17,38 @@ fn test_copy_function() {
             dst.copy_from_enclave(&[0u8; 100]);
 
             // Copy src[0..size] to dst + offset
-            unsafe { copy_to_userspace(src.as_ptr(), dst.as_mut_ptr().offset(offset), size) };
+            unsafe { copy_to_userspace(src.as_ptr(), dst.as_mut_ptr().add(offset), size) };
 
             // Verify copy
             for byte in 0..size {
                 unsafe {
-                    assert_eq!(*dst.as_ptr().offset(offset + byte as isize), src[byte as usize]);
+                    assert_eq!(*dst.as_ptr().add(offset + byte), src[byte as usize]);
+                }
+            }
+        }
+    }
+}
+
+#[test]
+fn test_copy_from_userspace_function() {
+    let mut dst = [0u8; 100];
+    let mut src = User::<[u8]>::uninitialized(100);
+
+    src.copy_from_enclave(&[0u8; 100]);
+
+    for size in 0..48 {
+        // For all possible alignment
+        for offset in 0..8 {
+            // overwrite complete dst
+            dst = [0u8; 100];
+
+            // Copy src[0..size] to dst + offset
+            unsafe { copy_from_userspace(src.as_ptr().offset(offset), dst.as_mut_ptr(), size) };
+
+            // Verify copy
+            for byte in 0..size {
+                unsafe {
+                    assert_eq!(dst[byte as usize], *src.as_ptr().offset(offset + byte as isize));
                 }
             }
         }