** Changed in: gtk
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/777246

Title:
  Memory leak: Circular reference in GtkMenuItem

Status in GTK+:
  Expired
Status in gtk+2.0 package in Ubuntu:
  Triaged

Bug description:
  I have an application (glipper) in which I update the menu quite
  frequently, and I noticed a slow rise in memory usage while running,
  and I tracked it down to GtkMenuItem.

  I noticed this in Ubuntu 10.10, but since there were only a few days
  to 11.04, I decided to wait. I can also confirm the bug in 11.04.

  Please note that this leak happens only if the GtkMenuItem has a
  label. There's no leak if it doesn't have a label.

  Proof code attached. Glipper is written in Python (with PyGTK), so the
  first thing I did to track this down was to create the simplest python
  program that demonstrates the bug. Using my friend Google, I managed
  to write the same code in Vala and compile it to C (to confirm it
  doesn't do anything else but create and destroy GtkMenuItem objects).
  The leak still exists after compiling the C source.

  How to test:
  1. Start "top", sort by memory (<O> <n> <enter>)
  2. Run either the python script or the binary resulting from the Vala or C 
sources.
  3. Watch the program rise in "top". It will take less than a minute to become 
noticeable.

  Reading the source, unless I missed something, I should have at most
  one GtkMenuItem at any time, so the memory usage should not increase.
  So far, the workaround is to explicitly destroy the GtkMenuItem, but
  it's not that convenient.

  There may be a similar, but not as evident issue in GtkMenu after
  removing a GtkMenuItem, but I haven't pursued that possible problem
  yet. I'll file another bug report if I can confirm the GtkMenu leak
  it's not just my imagination.

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