"Darrick J. Wong" <darrick.wong@xxxxxxxxxx> writes: > On Fri, Aug 10, 2018 at 07:54:47PM -0400, Theodore Y. Ts'o wrote: >> The reason why I bring this up here is that in container land, there >> are those who believe that "container root" should be able to mount >> file systems, and if the "container root" isn't trusted, the fact that >> the "container root" can crash the host kernel, or worse, corrupt the >> host kernel and break out of the container as a result, that would be >> sad. >> >> I was pretty sure most file system developers are on the same page >> that allowing untrusted "container roots" the ability to mount >> arbitrary block device file systems is insanity. > > Agreed. For me I am happy with fuse. That is sufficient to cover any container use cases people have. If anyone comes bugging you for more I will be happy to push back. The only thing that containers have to do with this is I wind up touching a lot of the kernel/user boundary so I get to see a lot of it and sometimes see weird things. Eric