gEDA-bug: [Bug 732326] Re: gschem segfaults on recursive loop

[Peter TB Brett <732326@xxxxxxxxxxxxxxxxxx>]

** Changed in: geda
   Importance: Undecided => High

** Tags added: gschem

** Tags added: libgeda

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https://bugs.launchpad.net/bugs/732326

Title:
  gschem segfaults on recursive loop

Status in GPL Electronic Design Automation tools:
  Confirmed

Bug description:
  This bug was reported on gmane.comp.cad.geda.user by Vladimir Zhbanov:

  gschem segfaults when confronted with a symbol that contains itself.
  To reproduce: 
  1) copy a symbol foobar.sym to the current working directory
  2) open the copied symbol in gschem
  3) type [i] and choose the local symbol foobar.sym in the chooser
  4) add foobar.sym to the canvas
  5) save (as foobar. sym) and close gschem
  6) open gschem on foobar.sym
  --> immediate segfault.

  Suggestion: gschem should check for recursive loops when opening a
  schematic.

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