[Buildroot] Failed to build in a user namespace without the root user

Peter Korsgaard peter at korsgaard.com
Wed Apr 3 20:17:35 UTC 2019

>>>>> "Esben" == Esben Nielsen <nielsen.esben at gmail.com> writes:

 > Without FAKEROOTDONTTRYCHOWN it ends up in the kernel, which does a
 > lookup in the current user namespace and looks for uid 0 - which is
 > not there. Then it returns EINVAL, not EPERM.
 > When I set FAKEROOTDONTTRYCHOWN (from outside buildroot), I don't get that.

 > Hints how to reproduce:

 > bwrap --bind / / --uid 1000 --gid 1000 --dev /dev <make command>

 > bwrap 0.3.0 is compiled as user without suid bit set.

Ok, thanks. I've send a patch with a more detailed commit message doing
just that. Can you give it a try?


Bye, Peter Korsgaard

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