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Subject: [Bug 194577] mbuf packet header leakage when closing TUN devices
Date: Thu, 30 Oct 2014 11:00:06 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=194577

--- Comment #13 from commit-hook@freebsd.org ---
A commit references this bug:

Author: ae
Date: Thu Oct 30 10:59:58 UTC 2014
New revision: 273855
URL: https://svnweb.freebsd.org/changeset/base/273855

Log:
  Fix mbuf leak in IPv6 multicast code.
  When multicast capable interface goes away, it leaves multicast groups,
  this leads to generate MLD reports, but MLD code does deffered send and
  MLD reports are queued in the in6_multi's in6m_scq ifq. The problem is
  that in6_multi structures are freed when interface leaves multicast groups
  and thread that does deffered send will not take these queued packets.

  PR:        194577
  MFC after:    1 week
  Sponsored by:    Yandex LLC

Changes:
  head/sys/netinet6/in6_mcast.c

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