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  • Nick Mathewson's avatar
    Treat an unexpected constant-sized VERSIONS cell as a PROTOCOL_WARN. · 3c97ab3c
    Nick Mathewson authored
    We previously used tor_fragile_assert() to declare that this case
    could not happen: VERSIONS cells are always supposed to be
    variable-sized, right?
    This is incorrect, though.  On a v1 link protocol connection, all
    cells are fixed-sized.  There aren't supposed to be any VERSIONS
    cells with this version of the protocol, but apparently, somebody
    was messing up.  (The v1 link protocol is obsolete, so probably the
    implementer responsible didn't mean to be using it.)
    Fixes bug 31107.  Bugfix on, when we introduced a
    tor_fragile_assert() for this case.