> 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
Adam Sotona has updated the pull request incrementally with one additional commit since the last revision: changed StackMapGenerator::generatorError to return an exception instead of directly throw ------------- Changes: - all: https://git.openjdk.org/jdk/pull/16685/files - new: https://git.openjdk.org/jdk/pull/16685/files/594e4797..3c3ac9be Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=16685&range=01 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=16685&range=00-01 Stats: 27 lines in 1 file changed: 0 ins; 0 del; 27 mod Patch: https://git.openjdk.org/jdk/pull/16685.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/16685/head:pull/16685 PR: https://git.openjdk.org/jdk/pull/16685
