On Fri, 18 Nov 2022 12:30:19 GMT, Erik Österlund <eosterl...@openjdk.org> wrote:
> There is a stack walk in JvmtiExport::post_exception_throw() that has > safepoints in it. This trips up the stack watermark code. This patch adds a > RAII object to JvmtiExport::post_exception_throw() that keeps the thread and > its stack fully processed throughout the function. > Testing: tier1-7 of ZGC tests on linux x86_64 debug and manual testing of the > test that failed. Looks good to me! The issue can also be easily reproduced by running a simplified variation of test events/Exception/exception01/exception01.java plus forcing a GC safepoint in that method: https://github.com/pchilano/jdk/commit/9e61eb0e0d624608d981754d3e8b6f50a6accd96 Thanks, Patricio ------------- Marked as reviewed by pchilanomate (Reviewer). PR: https://git.openjdk.org/jdk/pull/11238
