[Bug 214385] L2TP control packets malformed [PATCH]

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=214385

--- Comment #3 from Joe Jones <joeknockando at googlemail.com> ---
Hi Bjoern

yes I think you are right, a newly allocated mbup should always have enough
space for a 12 byte header. We thought maybe m_pullup was meant to be called
anytime the memory was to be accessed, can't see mention of this in the man
page though. I have attached an amended patch where m_pullup is only called in
the case where M_PREPEND has also been used.

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