RHEL 8/9: unexplained stack corruption detected on ppc64le due to reading a paca_struct at the incorrect canary offset

Solution In Progress - Updated -

Issue

  • After upgrading between minor releases of RHEL 8 or 9 on ppc64le, stack corruption is detected, leading to kernel panics.
  • Performing crash dump analysis may not reveal the explicit culprit.

Environment

  • Red Hat Enterprise Linux 8 ppc64le
  • Red Hat Enterprise Linux 9 ppc64le

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content