Dear Anoop,
thank you very much for your detailed explanation.
> I think you are hitting a bug[1] from vfs module for GlusterFS inside Samba
> during a realpath()
> call.
>
> This regression got in when glfs_realpath() was modified in GlusterFS[2] to
> correctly handle memory
> allocation and corresponding freeing of string arguments. And this particular
> change is present from
> GlusterFS version 3.7.17 in 3.7 series, in 3.9 series and all above versions
> (but not present in
> 3.8 series).
>
> So if you are using any of the above mentioned GlusterFS versions(which
> contains the above change
> for glfs_realpath()), then you are recommended to install Samba version >=
> 4.4.9 in 4.4 series, >=
> 4.5.2 or any versions from higher series like 4.6, 4.7 etc which contains the
> fix for this crash.
I'm using GlusterFS 3.12.3 from the GlusterFS Ubuntu PPA [1]::
$ apt-cache policy glusterfs-client
glusterfs-client:
Installed: 3.12.3-ubuntu1~xenial1
Candidate: 3.12.3-ubuntu1~xenial1
Version table:
*** 3.12.3-ubuntu1~xenial1 500
500 http://ppa.launchpad.net/gluster/glusterfs-3.12/ubuntu
xenial/main amd64 Packages
100 /var/lib/dpkg/status
3.7.6-1ubuntu1 500
500 http://nova.clouds.archive.ubuntu.com/ubuntu xenial/universe
amd64 Packages
500 http://archive.ubuntu.com/ubuntu xenial/universe amd64 Packages
So this should contain the fix already? Or is the fix Samba-side?
[1] https://launchpad.net/~gluster/+archive/ubuntu/glusterfs-3.12
Thanks,
Riccardo
--
Riccardo Murri / Email: [email protected] / Tel.: +41 77 458 98 32
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