On Fri, 15 Aug 2025 15:44:36 GMT, Chen Liang <li...@openjdk.org> wrote:
>> Validate class name length immediately after GetStringUTFLength() in >> Class.forName0. This prevents potential issues caused by overly long class >> names before they reach later code that would reject them, throwing >> ClassNotFoundException early. > > We currently have a trend of moving argument validations and checks to pure > Java code, to minimize downcall into the VM (whose code cannot be optimized > by compilers). Even if we keep checks in the VM, I guess jvm.cpp might be a > better place than Class.c. @liach @dholmes-ora Thank you both for the detailed feedback and explanation. I've moved the check to the Java side. Please have a look when you get a chance. ------------- PR Comment: https://git.openjdk.org/jdk/pull/26802#issuecomment-3201215930