[Bug 281936] dma complains about stack overflow.

From: <bugzilla-noreply_at_freebsd.org>
Date: Sun, 19 Jul 2026 04:32:35 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=281936

--- Comment #3 from Paweł Krawczyk <p+freebsd@krvtz.net> ---
The periodic sendmail -q runs also tend to accumulate huge (>100) amounts of
the "sendmail (dma)" processes dangling under maillnull user. I was able to
partly mitigate it using rctl(8)

rctl -a user:mailnull:maxproc:deny=10

This can be persisted in rctl.conf(5)

Why this happens, no idea, probably bug in dma.

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