Re: chroot/aarch64 issues

[Ludovic Courtès]

Efraim Flashner <address@hidden> skribis:

> On Tue, Jul 05, 2016 at 10:45:51AM +0200, Ludovic Courtès wrote:
>> Efraim Flashner <address@hidden> skribis:
>> 
>> > On Mon, Jul 04, 2016 at 03:37:12PM +0200, Ludovic Courtès wrote:
>> >> Hi!
>> 
>> If the kernel config corresponds to this kernel, I don’t see which of
>> the other EINVAL reasons given in clone(2) would apply.  Does ‘dmesg’
>> show something?
>> 
>> Could you maybe try a C program that invokes clone(2) and progressively
>> remove CLONE_ flags until you find the one that’s causing EINVAL?
>> 
>> Thanks,
>> Ludo’.
>
> I grabbed the code from man 2 clone and ran that on the odroid, which
> told me "clone: Operation not permitted"

This is expected; quoth clone(2):

--8<---------------cut here---------------start------------->8---
 EPERM  CLONE_NEWIPC, CLONE_NEWNET, CLONE_NEWNS, CLONE_NEWPID, or CLONE_NEWUTS 
was specified by an unprivi‐
        leged process (process without CAP_SYS_ADMIN).
--8<---------------cut here---------------end--------------->8---

Can you try running it as root?

Ludo’.