modifying lib.elf.cni.Elf.cxx to throw an uncaught exception when the open fails
causes this behavior on FC 5:

$  /home/scratch/frysk/native/frysk-core/frysk/bindir/fhpd $$
Attached to process 3891
EL4ûELFFF
Error: Unrecognized command: ÀEL4û.
(fhpd) 4(44pException in thread "main" java.lang.NullPointerException
   at frysk.debuginfo.DebugInfo.complete(fhpd)
   at frysk.cli.hpd.CLI.complete(fhpd)
   at frysk.bindir.fhpd$FhpdCompletor.complete(fhpd)
   at jline.ConsoleReader.complete(fhpd)
   at jline.ConsoleReader.readLine(fhpd)
   at jline.ConsoleReader.readLine(fhpd)
   at frysk.bindir.fhpd.main(fhpd)

and under TestRunner:

$  /home/scratch/frysk/native/frysk-core/TestRunner -c FINE
'testHpdCommand(frysk.bindir.TestFhd)'

11-Jul-07 1:05:51 PM frysk.expunit.Expect expectMilliseconds
FINE: frysk.expunit.Expect@3abb40 poll -> <<PtyTerminal.<init>(fhpd)
   at frysk.bindir.fhpd.main(fhpd)
>> giving <<Exception in thread "main" tcsetattr: Bad file descriptor (fd 0)
   at frysk.sys.termios.Termios.get(fhpd)
   at frysk.sys.termios.Termios.<init>(fhpd)
   at frysk.util.PtyTerminal.initializeTerminal(fhpd)
   at frysk.util.PtyTerminal.<init>(fhpd)
   at frysk.bindir.fhpd.main(fhpd)
>>

-- 
           Summary: fd smash from Elf exception
           Product: frysk
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: general
        AssignedTo: frysk-bugzilla at sourceware dot org
        ReportedBy: cagney at redhat dot com
                CC: pmuldoon at redhat dot com


http://sourceware.org/bugzilla/show_bug.cgi?id=4777

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