openssl-provider: Add null checks in init function

out and provctx are double pointers. Check if the first level of dereferencing is valid by testing for NULL pointers before assigning the values. Signed-off-by: Gowtham Suresh Kumar <[email protected]>
parallaxsecond · Mar 1, 2024 · b5d4271 · b5d4271
1 parent ec17350
commit b5d4271
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/parsec-openssl-provider/src/lib.rs b/parsec-openssl-provider/src/lib.rs
@@ -55,8 +55,12 @@ pub unsafe fn parsec_provider_provider_init(
         ];
     });
 
-    *out = DISPATCH_TABLE.as_ptr();
-    *provctx = std::ptr::null_mut();
+    if !out.is_null() {
+        *out = DISPATCH_TABLE.as_ptr();
+    }
+    if !provctx.is_null() {
+        *provctx = std::ptr::null_mut();
+    }
 
     Ok(())
 }