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Subject: [Bug 209545] Heap overflows in an driver
Date: Tue, 24 May 2016 13:58:07 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D209545

--- Comment #2 from commit-hook@freebsd.org ---
A commit references this bug:

Author: sbruno
Date: Tue May 24 13:57:24 UTC 2016
New revision: 300612
URL: https://svnweb.freebsd.org/changeset/base/300612

Log:
  Reject ioctl commands for FLSHGCHR and FLSHPCHR if the size is greater
  than sc->areq.  This is a bounds check to ensure we're not just cramming
  arbitrarily sized nonsense into the driver and overflowing the heap.

  PR:           209545
  Submitted by: cturt@hardenedbsd.org
  MFC after:    2 weeks

Changes:
  head/sys/dev/an/if_an.c

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