Bad access to IP address in memory

Russ Allbery rra at
Sat Jul 5 08:51:11 UTC 2008

Julien ÉLIE <julien at> writes:

> I believe this bug comes from network_sockaddr_sprint because it does
> not handle a 0 family value:

I don't think it should.  0 isn't a valid family, and that's intended to
be generic code.  An all-zero address, including a zero family, doesn't
mean localhost; it's an invalid value.  It just happens to be what innd
uses to indicate that the given channel isn't a network channel at all.
(So the real bug is in ever passing such a thing to any network_*
function, since it isn't a network address or connection.)

Russ Allbery (rra at             <>

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