On Thu, 16 Nov 2023 10:00:44 GMT, Adam Sotona <asot...@openjdk.org> wrote:
> Stack map generator in ClassFile API performs only minimal checks in favour > of performance. > However it led to situations where it generates invalid stack maps for > corrupted code. > This patch adds basic checks of stack when two frames are merged and throws > an exception in case of stack size or content mismatch. Generated or > transformed code with inconsistent stack will fail on stack maps generation. > Relevant tests are added. > > Please review. > > Thanks, > Adam This pull request has now been integrated. Changeset: c4aee66d Author: Adam Sotona <asot...@openjdk.org> URL: https://git.openjdk.org/jdk/commit/c4aee66d742008848e5b5bc8ce3b2e3032a39bc3 Stats: 74 lines in 2 files changed: 46 ins; 0 del; 28 mod 8320222: Wrong bytecode accepted, and StackMap table generated Reviewed-by: jlahoda ------------- PR: https://git.openjdk.org/jdk/pull/16685
