Endless loop when running movemail on mbox file

Florian Weimer <[email protected]> Tue, 25 Feb 2025 17:24:23 +0100
Newsgroups gmane.comp.gnu.mailutils.bugs
Message-ID <[email protected]>
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The attached mbox file causes movemail to loop endlessly between
_fromrd_encoder (which returns mu_filter_moreoutput) and filter_read,
which apparently does not invoke _fromrd_encoder with a larger output
buffer.

This should reproduce it:

  gunzip hang.mbox.gz
  movemail hang.mbox output

This happens with Debian's mailutils 1:3.15-4 and the current code in
Git (at commit f3913a352c92c3b3b4df943037c0b392fda9463b).


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