Re: Exit code 255 after large clone (32-bit PowerPC)

> That message comes from OpenSSH.  I've seen it quite frequently in
> various other (non-Git) cases.  I think it's fair for us to exit
> unsuccessfully if OpenSSH exits unsuccessfully in this case.  For
> example, an attacker could try to tamper with the connection and send
> additional data, which OpenSSH would detect and exit unsuccessfully for.
> We also in general need to detect truncation attacks, which OpenSSH will
> do for us here.
>
> It's possible that if there's an older version of OpenSSH being used,
> that the problem happens to be related to a bug of some sort.  There
> were some versions which had various bugs that could be triggered by a
> rekey, which, if the threshold is set low enough, could be the cause of
> this particular problem.
>
> I think the fact that it's not being seen with HTTPS is the ultimate
> clue here.