StackWalker can crash the JVM

[Luke Hutchison]

This is supposedly a reproducer project, though I haven't had a chance to
see if I can trigger it yet:

https://github.com/bertramn/classgraph-issue-341

If you want to discuss that test project, please jump into the ClassGraph
bug linked in my first email.





On Tue, Apr 30, 2019, 6:26 AM <coleen.phillimore at oracle.com> wrote:

> Yes, if possible, can you please confirm that this is the same bug? We
> didn't have a reproducer for that bug so had to guess by the source code.
> Thanks,
> Coleen
>
> On 4/30/19 4:59 AM, Aleksey Shipilev wrote:
> > On 4/30/19 10:44 AM, Luke Hutchison wrote:
> >> Yes, that looks like the very same bug. I will ask the reporter to test
> with 11.0.4, if they are able.
> >>
> >> Does this affect 11.0.0 through to 11.0.3 inclusive? I can blacklist
> those JDK versions for
> >> stackwalking if so.
> > Yes, it looks as affecting all versions up to 11.0.3 inclusive.
> >
> > Would be nice to confirm this is the same bug, though. It looks very
> likely: the problem is with
> > class redifinition, and there are class redefinition events shortly
> before the crash reported by
> > your guy (see "Classes redefined" in hs_err) .
> >
> > -Aleksey
> >
>
>