On 30/08/22 11:35, Jesper Schmitz Mouridsen wrote:

On 30.08.2022 13.17, Renato Botelho wrote:
On 29/08/22 20:32, Jesper Schmitz Mouridsen wrote:


On 29.08.2022 17.29, Renato Botelho wrote:
There is a PR [1] opened for years reporting arj fails to build on a jail.  Recently I reproduced it on a system running CURRENT.

I just launched a jail and tried to build it, and got the error as described:
Did you use ezjail?

I tried to replicate and I think the error is triggered by
the nullfs usage of ezjail. I copied the settings of ezjail without
nullfs usage (using the basejail as path adding etc from the failing jail to it and removing the fstab from jail.conf) and arj did get a working msgbind.

Yes, I also use ezjail.  I'm cc'ing ezjail's maintainer to see if we can get some advice.

Thanks!

Hi again.


I narrowed this down to  symlinks ,wiithin the jail, to the nullfs mountpoint.

Replacing symlinks to the basejail mount point with dirs and setting this in the fstab of the jail

and msgbind is a valid executable

/usr/jails/basejail/bin /usr/jails/test1/bin nullfs ro 0 0
/usr/jails/basejail/boot /usr/jails/test1/boot nullfs ro 0 0
/usr/jails/basejail/lib /usr/jails/test1/lib nullfs ro 0 0
/usr/jails/basejail/libexec /usr/jails/test1/libexec nullfs ro 0 0
/usr/jails/basejail/rescue /usr/jails/test1/rescue nullfs ro 0 0
/usr/jails/basejail/sbin /usr/jails/test1/sbin nullfs ro 0 0
/usr/jails/basejail/usr/bin /usr/jails/test1/usr/bin nullfs ro 0 0
/usr/jails/basejail/usr/lib /usr/jails/test1/usr/lib nullfs ro 0 0
/usr/jails/basejail/usr/include /usr/jails/test1/usr/include nullfs ro 0 0
/usr/jails/basejail/usr/lib32 /usr/jails/test1/usr/lib32 nullfs ro 0 0
/usr/jails/basejail/usr/ports /usr/jails/test1/usr/ports nullfs ro 0 0
/usr/jails/basejail/usr/libdata /usr/jails/test1/usr/libdata nullfs ro 0 0
/usr/jails/basejail/usr/sbin /usr/jails/test1/usr/sbin nullfs ro 0 0
/usr/jails/basejail/usr/share /usr/jails/test1/usr/share nullfs ro 0 0
/usr/jails/basejail/usr/libexec /usr/jails/test1/usr/libexec nullfs ro 0 0
/usr/jails/basejail/usr/src /usr/jails/test1/usr/src nullfs ro 0 0

It should be further narrowed down but nullfs alone is not the issue.

Interesting. And just to add a note here, I copied msgbind from jail to host and tried to execute it to confirm binary was really bad and I got the same Abort trap message.

--
Renato Botelho


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