[Bug 200323] BPF userland misuse can crash the system

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=200323

Guy Helmer <ghelmer at FreeBSD.org> changed:

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                 CC|                            |ghelmer at FreeBSD.org

--- Comment #20 from Guy Helmer <ghelmer at FreeBSD.org> ---
(In reply to Luiz Otavio O Souza,+55 (14) 99772-1255 from comment #19)

The hold/store/free buffer sharing two buffers in BPF has been a source of
trouble. Should there be a third buffer in BPF so we don't have to wait for
access to a buffer in bpfread()? It would waste memory but seems like it could
cleanly resolve some problems.

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