[Bug general/5863] ferror does not follow /usr/bin/firefox: Error: invalid `Elf' handle

["swagiaal at redhat dot com" <sourceware-bugzilla@sourceware.org>]

------- Additional Comments From swagiaal at redhat dot com  2008-03-04 17:30 -------
hmm i tried this:

$ ferror -e "foo" -- /bin/sh /usr/bin/firefox 
Tracing 4376.4376
Tracing 4377.4377
Tracing 4378.4378
Tracing 4379.4379
Tracing 4380.4380
Tracing 4381.4381
Exception in thread "main" lib.dwfl.ElfFileException: open: Permission denied
(file /proc/4381/exe) (errno 13)
   at lib.dwfl.Elf.getDescriptor(ferror)
   at lib.dwfl.Elf.<init>(ferror)
   at frysk.isa.ElfMap.getISA(ferror)
   at frysk.proc.live.LinuxPtraceTask.initializeAttachedState(ferror)
   at frysk.proc.live.LinuxPtraceTask.notifyExeced(ferror)
   at frysk.proc.live.LinuxPtraceTaskState$Running.handleExecedEvent(ferror)
   at frysk.proc.live.LinuxPtraceTask.processExecedEvent(ferror)
   at frysk.proc.live.LinuxWaitBuilder.execEvent(ferror)
   at frysk.sys.Wait.wait(ferror)
   at frysk.sys.Wait.wait(ferror)
   at frysk.event.WaitEventLoop.block(ferror)
   at frysk.event.EventLoop.runEventLoop(ferror)
   at frysk.event.EventLoop.run(ferror)
   at frysk.util.ProcRunningUtil.start(ferror)
   at frysk.bindir.ferror.main(ferror)
Caused by: frysk.sys.Errno: open: Permission denied (file /proc/4381/exe) (errno 13)
   at frysk.sys.FileDescriptor.open(ferror)
   at frysk.sys.FileDescriptor.<init>(ferror)
   at lib.dwfl.Elf.getDescriptor(ferror)
   ...14 more


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http://sourceware.org/bugzilla/show_bug.cgi?id=5863

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