diff --git a/compiler/rustc_attr_parsing/src/attributes/codegen_attrs.rs b/compiler/rustc_attr_parsing/src/attributes/codegen_attrs.rs
index 4909e0d35173c..a8db114129ffd 100644
--- a/compiler/rustc_attr_parsing/src/attributes/codegen_attrs.rs
+++ b/compiler/rustc_attr_parsing/src/attributes/codegen_attrs.rs
@@ -671,6 +671,7 @@ impl<S: Stage> SingleAttributeParser<S> for SanitizeParser {
                         item.path().span(),
                         &[
                             sym::address,
+                            sym::kernel_address,
                             sym::cfi,
                             sym::kcfi,
                             sym::memory,
diff --git a/src/tools/compiletest/src/directives/directive_names.rs b/src/tools/compiletest/src/directives/directive_names.rs
index 2fc5c0e8ec1ee..0c55cd6fe8a79 100644
--- a/src/tools/compiletest/src/directives/directive_names.rs
+++ b/src/tools/compiletest/src/directives/directive_names.rs
@@ -176,6 +176,7 @@ pub(crate) const KNOWN_DIRECTIVE_NAMES: &[&str] = &[
     "needs-sanitizer-cfi",
     "needs-sanitizer-dataflow",
     "needs-sanitizer-hwaddress",
+    "needs-sanitizer-kasan",
     "needs-sanitizer-kcfi",
     "needs-sanitizer-leak",
     "needs-sanitizer-memory",
diff --git a/tests/ui/sanitize-attr/invalid-sanitize.stderr b/tests/ui/sanitize-attr/invalid-sanitize.stderr
index 26ef31603d887..00bb7746d05f3 100644
--- a/tests/ui/sanitize-attr/invalid-sanitize.stderr
+++ b/tests/ui/sanitize-attr/invalid-sanitize.stderr
@@ -4,7 +4,7 @@ error[E0539]: malformed `sanitize` attribute input
 LL | #[sanitize(brontosaurus = "off")]
    | ^^^^^^^^^^^------------^^^^^^^^^^
    |            |
-   |            valid arguments are "address", "cfi", "kcfi", "memory", "memtag", "shadow_call_stack", "thread", "hwaddress" or "realtime"
+   |            valid arguments are "address", "kernel_address", "cfi", "kcfi", "memory", "memtag", "shadow_call_stack", "thread", "hwaddress" or "realtime"
 
 error: multiple `sanitize` attributes
   --> $DIR/invalid-sanitize.rs:7:1