[Bug 199705] [patch] [geom] use-after-free bug in geli

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=199705

--- Comment #3 from commit-hook at freebsd.org ---
A commit references this bug:

Author: pjd
Date: Thu Aug  6 17:13:35 UTC 2015
New revision: 286373
URL: https://svnweb.freebsd.org/changeset/base/286373

Log:
  After crypto_dispatch() bio might be already delivered and destroyed,
  so we cannot access it anymore. Setting an error later lead to memory
  corruption.

  Assert that crypto_dispatch() was successful. It can fail only if we pass a
  bogus crypto request, which is a bug in the program, not a runtime condition.

  PR:        199705
  Submitted by:    luke.tw
  Reviewed by:    emaste
  MFC after:    3 days

Changes:
  head/sys/geom/eli/g_eli_integrity.c
  head/sys/geom/eli/g_eli_privacy.c

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