On Wed, 4 Mar 2026 10:04:23 GMT, Yasumasa Suenaga <[email protected]> wrote:
> > Do you have any more information on this security bug? > > I found following bug from mail thread. But I cannot access it due to > security bug. > > https://mail.openjdk.org/pipermail/hotspot-runtime-dev/2011-August/002357.html > > 4852809: Linux: do not use alternate signal stack Actually I made this public last year: https://bugs.openjdk.org/browse/JDK-4852809 There were two main issues: 1. Newly created threads inheriting the same alt-stack as parent 2. Issues with accessing TLS with Linux fixed-stack implementation I don't quite see how #1 could arise, and #2 is definitely not an issue any more. ------------- PR Comment: https://git.openjdk.org/jdk/pull/29559#issuecomment-4001204150
