[Bug translator/2165] New: pmap lookup failures crash kernel

[hunt at redhat dot com]

global foo
probe begin {
        printf("foo[1] = %d %d\n", @count(foo[1]), @sum(foo[1]))
        exit()
}

generates code like this:
l->__tmp1 = _stp_pmap_get_ix (global_foo, l->__tmp3);
l->__tmp2 = l->__tmp1->count;

Problem is that foo[1] doesn't exist so _stp_pmap_get_ix returns NULL.

-- 
           Summary: pmap lookup failures crash kernel
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: critical
          Priority: P1
         Component: translator
        AssignedTo: systemtap at sources dot redhat dot com
        ReportedBy: hunt at redhat dot com


http://sourceware.org/bugzilla/show_bug.cgi?id=2165

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