There's a merged pull request on the void-packages repository

xfce4-session: fix use after free
https://github.com/void-linux/void-packages/pull/43020

Description:
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#### Testing the changes
- I tested the changes in this PR: **briefly**

Fix crashes reported on other distros when using malloc instead of glib's custom allocator. Try as I might, I can't reproduce the crashes on Void, but this reportedly fixes the issue on other distros.

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