[Bug translator/12916] New: Aliased process probes aren't allowed for unprivileged

[jistone at redhat dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=12916

           Summary: Aliased process probes aren't allowed for unprivileged
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: translator
        AssignedTo: systemtap@sourceware.org
        ReportedBy: jistone@redhat.com


A simple process probe aliased in stap itself:
> $ stap -l 'stap.system'
> stap.system

It ought to be allowed to unprivileged users too, but this fails:
> $ stap -l 'stap.system' --unprivileged
> $ echo $?
> 1

Manually specifying the probepoint works:
> $ stap -l 'process("stap").mark("stap_system__start")' --unprivileged
> process("stap").mark("stap_system__start")

So it seems that the alias breaks unprivileged access.

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