Re: [PATCH v17 05/10] fs,landlock: Support filesystem access-control

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 14/05/2020 19:31, James Morris wrote:
> On Thu, 14 May 2020, Mickaël Salaün wrote:
> 
>>> This needs to be converted to the LSM API via superblock blob stacking.
>>>
>>> See Casey's old patch: 
>>> https://lore.kernel.org/linux-security-module/20190829232935.7099-2-casey@xxxxxxxxxxxxxxxx/
>>
>> s_landlock_inode_refs is quite similar to s_fsnotify_inode_refs, but I
>> can do it once the superblock security blob patch is upstream. Is it a
>> blocker for now? What is the current status of lbs_superblock?
> 
> Yes it is a blocker. Landlock should not be adding its own functions in 
> core code, it should be using the LSM API (and extending that as needed).

OK, I'll use that in the next series.

> 
>> Anyway, we also need to have a call to landlock_release_inodes() in
>> generic_shutdown_super(), which does not fit the LSM framework, and I
>> think it is not an issue. Landlock handling of inodes is quite similar
>> to fsnotify.
> 
> fsnotify is not an LSM.

Yes, so I'll need to add a new LSM hook for this (release) call, right?



[Index of Archives]     [Linux Ext4 Filesystem]     [Union Filesystem]     [Filesystem Testing]     [Ceph Users]     [Ecryptfs]     [AutoFS]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux Cachefs]     [Reiser Filesystem]     [Linux RAID]     [Samba]     [Device Mapper]     [CEPH Development]

  Powered by Linux