Ping Thanks, Laurent Le 29/11/2018 à 14:05, Laurent Vivier a écrit : > Le 01/11/2018 à 15:16, Eric W. Biederman a écrit : >> Laurent Vivier <laurent@xxxxxxxxx> writes: >> >>> On 01/11/2018 04:51, Jann Horn wrote: >>>> On Thu, Nov 1, 2018 at 3:59 AM James Bottomley >>>> <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx> wrote: >>>>> >>>>> On Tue, 2018-10-16 at 11:52 +0200, Laurent Vivier wrote: >>>>>> Hi, >>>>>> >>>>>> Any comment on this last version? >>>>>> >>>>>> Any chance to be merged? >>>>> >>>>> I've got a use case for this: I went to one of the Graphene talks in >>>>> Edinburgh and it struck me that we seem to keep reinventing the type of >>>>> sandboxing that qemu-user already does. However if you want to do an >>>>> x86 on x86 sandbox, you can't currently use the binfmt_misc mechanism >>>>> because that has you running *every* binary on the system emulated. >>>>> Doing it per user namespace fixes this problem and allows us to at >>>>> least cut down on all the pointless duplication. >>>> >>>> Waaaaaait. What? qemu-user does not do "sandboxing". qemu-user makes >>>> your code slower and *LESS* secure. As far as I know, qemu-user is >>>> only intended for purposes like development and testing. >>>> >>> >>> I think the idea here is not to run qemu, but to use an interpreter >>> (something like gVisor) into a container to control the binaries >>> execution inside the container without using this interpreter on the >>> host itself (container and host shares the same binfmt_misc >>> magic/mask). >> >> Please remind me of this patchset after the merge window is over, and if >> there are no issues I will take it via my user namespace branch. >> >> Last I looked I had a concern that some of the permission check issues >> were being papered over by using override cred instead of fixing the >> deaper code. Sometimes they are necessary but seeing work-arounds >> instead of fixes for problems tends to be a maintenance issue, possibly >> with security consequences. Best is if the everyone agrees on how all >> of the interfaces work so their are no surprises. > > I don't know where we are in the merge window, but is there something I > can do to have this merged? > > Thanks, > Laurent >
