[Bug 250361] Kernel trap #9 in sys_semop

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=250361

--- Comment #14 from commit-hook at FreeBSD.org ---
A commit references this bug:

Author: kib
Date: Thu Oct 22 09:28:12 UTC 2020
New revision: 366932
URL: https://svnweb.freebsd.org/changeset/base/366932

Log:
  sysv_sem: semusz depends on semume.

  Size of the per-process semaphore undo structure (semusz) depends on
  the number of the per-process undos.  If kern.ipc.semume is adjusted,
  semusz must be adjusted as well, and it makes no sense to delegate
  adjustment to user.  Make it automatic.

  Reported and tested by:       Olef <o.vandestadt at gmail.com>
  PR:   250361
  Reviewed by:  jhb, markj
  Sponsored by: The FreeBSD Foundation
  MFC after:    1 week
  Differential revision:        https://reviews.freebsd.org/D26826

Changes:
  head/sys/kern/sysv_sem.c

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