It's funny... I'd sent that a week ago, and it didn't show up on the
list, but I managed to answer my own question anyways. Ah, the
reliability of email ;)
Cheers,
Liam
On Thu, 2004-10-07 at 18:25 +0200, Björn Steinbrink wrote:
On Fri, 01 Oct 2004 02:00:27 -0700
Liam Helmer [EMAIL PROTECTED] wrote:
I thought I was going crazy... but, I've found I can trivially
reproduce this bug. It's to do with chbind and the new 2.6.x kernels.
The bug applies, for certain, to:
VS 1.9.2/2.6.8.1
with vserver-utils 0.30.190, 0.29.214, or 0.29
It definitely does not occur in vserver 1.2.7 with utils 0.2.9.
to reproduce this, run:
in any vserver:
sudo
on the main server:
chbind sudo
Basically, what happens is that sudo aborts with no error message
other than Aborted. I've attached an strace if anyone's interested
(and, presuming it's allowed on the mailing list). I'm more curious
than anything else, as there's workarounds for this (such as ssh with
keys, etc), but sudo can be convenient sometimes.
This happens only if you have a IPv6 address on an interface not visible
within the vserver, because of a bad assumption of some netlink code in
the glibc. This is fixed in recent versions of linux-vserver by hiding
the IPv6 stuff. If you don't want to upgrade you can simply remove the
IPv6 addresses from the interfaces not visible in the vserver (most of
the time this means lo).
Bjoern
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Liam Helmer [EMAIL PROTECTED]
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