dhclient can't limit bpf descriptor?

Pawel Jakub Dawidek pjd at FreeBSD.org
Sun Dec 15 23:23:05 UTC 2013


On Sat, Dec 14, 2013 at 12:12:23PM -0800, Tim Kientzle wrote:
> Opened up an old VM from a month or so ago (r257910) and dhclient won’t start.
> 
> Specifically, dhclient complains (when run by root):
>  “can’t limit bpf descriptor: Bad address”
> and then immediately exits.
> 
> What does this mean?   I don’t know anything about the capabilities
> framework and certainly haven’t configured it in any way.

Maybe your userland and kernel are out of sync? There was
backward-incompatible change in Capsicum that could result in error like
that (capability rights are now passed as a pointer to a structure and
not uint64_t bitfield).

-- 
Pawel Jakub Dawidek                       http://www.wheelsystems.com
FreeBSD committer                         http://www.FreeBSD.org
Am I Evil? Yes, I Am!                     http://mobter.com
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