[Bug runtime/30454] New: The stap runtime does not call nmi_uaccess_okay() to protect data races against CR3 switching on X86

agentzh at gmail dot com sourceware-bugzilla@sourceware.org
Tue May 16 21:02:36 GMT 2023


https://sourceware.org/bugzilla/show_bug.cgi?id=30454

            Bug ID: 30454
           Summary: The stap runtime does not call nmi_uaccess_okay() to
                    protect data races against CR3 switching on X86
           Product: systemtap
           Version: unspecified
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: runtime
          Assignee: systemtap at sourceware dot org
          Reporter: agentzh at gmail dot com
  Target Milestone: ---

See the upstream kernel commit 4012e77a90 for more details.

I'm already preparing a fix.

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