On Thu, 30 Nov 2023 00:03:21 GMT, Brian Burkhalter <b...@openjdk.org> wrote:
> Pass `ByteArrayInputStream.buf ` directly to the `OutputStream` parameter of > `BAIS.transferTo` only if the target stream is in the `java.io` package. src/java.base/share/classes/java/io/ByteArrayInputStream.java line 211: > 209: if (len > 0) { > 210: byte[] tmp; > 211: if ("java.io".equals(out.getClass().getPackageName())) Isn't this protection defeated with: ByteArrayInputStream bais = new ByteArrayInputStream(bytes); UntrustedOutputStream uos = new UntrustedOutputStream(); bais.transferTo(new java.io.DataOutputStream(uos)); Or am I missing something? ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/16893#discussion_r1410139928