Re: unshare regression in 2.42-rc1

[Chris Hofstaedtler]

Hi Christian,

* Christian Albrecht Goeschel Ndjomouo <cgoesc2@xxxxxxx> [260322 13:57]:
> Thank you for pointing out this regression.
>
> The problem is that if ul_getuserpw_str() cannot find any user with the provided
> UID or username, the unshare internal helper function get_user() will error out
> and stop argument parsing, even if a valid numeric value was provided. Previously,
> the code would fallback to simply converting the string to an unsigned int and use
> it for the uid_t, so I added that behavior back.
>
> I found this issue to be true for the --map-group option as well, so I went ahead and fixed
> both cases in this latest patch: https://github.com/util-linux/util-linux/pull/4134/changes/c74df906b67b2f9930662ca4e1ba04c21569d529
>
> Please let us know if this fixed the problem on your end.

With the patch applied, the debvm tests succeed once again.
So this seems good.

I see Karel has in the meantime merged a different approach. I'll 
recheck with 2.42-rc2.

Thank you,
Chris