Fix use-after-free in json_validator sample (#3668)

riverar · web-flow · commit 99208c88a71a · 2025-07-17T12:59:15.000-05:00
diff --git a/crates/samples/components/json_validator/src/lib.rs b/crates/samples/components/json_validator/src/lib.rs
@@ -315,7 +315,7 @@ fn sanitized_value() {
             )
         );
         let sanitized = std::slice::from_raw_parts(sanitized_alloc, sanitized_len);
-        let sanitized = String::from_utf8_lossy(sanitized);
+        let sanitized = String::from_utf8_lossy(sanitized).into_owned();
         CoTaskMemFree(Some(sanitized_alloc as _));
         assert_eq!(sanitized, r#"{"age":21,"name":"Kenny"}"#);
 

Original file line number	Diff line number	Diff line change
`@@ -315,7 +315,7 @@ fn sanitized_value() {`
`315`	`315`	`)`
`316`	`316`	`);`
`317`	`317`	`let sanitized = std::slice::from_raw_parts(sanitized_alloc, sanitized_len);`
`318`		`- let sanitized = String::from_utf8_lossy(sanitized);`
	`318`	`+ let sanitized = String::from_utf8_lossy(sanitized).into_owned();`
`319`	`319`	`CoTaskMemFree(Some(sanitized_alloc as _));`
`320`	`320`	`assert_eq!(sanitized, r#"{"age":21,"name":"Kenny"}"#);`
`321`	`321`