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[Bug runtime/19812] New: _stp_target misdirected for pid_namespace containers


https://sourceware.org/bugzilla/show_bug.cgi?id=19812

            Bug ID: 19812
           Summary: _stp_target misdirected for pid_namespace containers
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: runtime
          Assignee: systemtap at sourceware dot org
          Reporter: fche at redhat dot com
  Target Milestone: ---

If staprun -c CMD or -x PID is invoked from within a container (even if
privileged), but without --pid=host, the pid# passed in the STP_START message
will reflect the container's namespace.  This needs to be converted to a host
namespace pid, for inode-uprobes etc. to work.

runtime/transport/transport.c line 151

00151                 _stp_target = st->target;

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