On Tue, 2 Mar 2021 23:21:28 GMT, David Holmes <dhol...@openjdk.org> wrote:
> Note that `thread` can be NULL here if the signal handler is running in a > non-attached thread. If we then perform: > `ThreadWXEnable(WXMode new_mode, Thread* thread = NULL) : _thread(thread ? > thread : Thread::current()),` > we call Thread::current() on a non-attached thread and that will assert/crash > if we get NULL. Either avoid using WX when the thread is NULL, or else change > to use Thread::current_or_null_safe() and ensure all uses have a NULL check. https://bugs.openjdk.java.net/browse/JDK-8262903 tracks this issue. ------------- PR: https://git.openjdk.java.net/jdk/pull/2200
