Re: [Xen-devel] [PATCH v2 4/6] tools/dm_restrict: Unshare mount and IPC namespaces on Linux

2018-09-25 Thread Ian Jackson
George Dunlap writes ("Re: [PATCH v2 4/6] tools/dm_restrict: Unshare mount and IPC namespaces on Linux"): > On 09/24/2018 11:40 AM, Ian Jackson wrote: > > I think that this means we should explicitly write down that the qemu > > depriv implementation is incomplete on FreeBSD. > > I think

Re: [Xen-devel] [PATCH v2 4/6] tools/dm_restrict: Unshare mount and IPC namespaces on Linux

2018-09-24 Thread George Dunlap
On 09/24/2018 11:40 AM, Ian Jackson wrote: > George Dunlap writes ("[PATCH v2 4/6] tools/dm_restrict: Unshare mount and > IPC namespaces on Linux"): >> QEMU running under Xen doesn't need mount or IPC functionality. >> Create and enter separate namespaces for each of these before >> executing

Re: [Xen-devel] [PATCH v2 4/6] tools/dm_restrict: Unshare mount and IPC namespaces on Linux

2018-09-24 Thread Ian Jackson
George Dunlap writes ("[PATCH v2 4/6] tools/dm_restrict: Unshare mount and IPC namespaces on Linux"): > QEMU running under Xen doesn't need mount or IPC functionality. > Create and enter separate namespaces for each of these before > executing QEMU, so that in the event that other restrictions

Re: [Xen-devel] [PATCH v2 4/6] tools/dm_restrict: Unshare mount and IPC namespaces on Linux

2018-09-24 Thread Paul Durrant
: [Xen-devel] [PATCH v2 4/6] tools/dm_restrict: Unshare mount and > IPC namespaces on Linux > > QEMU running under Xen doesn't need mount or IPC functionality. > Create and enter separate namespaces for each of these before > executing QEMU, so that in the event that other restrictions

[Xen-devel] [PATCH v2 4/6] tools/dm_restrict: Unshare mount and IPC namespaces on Linux

2018-09-21 Thread George Dunlap
QEMU running under Xen doesn't need mount or IPC functionality. Create and enter separate namespaces for each of these before executing QEMU, so that in the event that other restrictions fail, the process won't be able to even name system mount points or exsting non-file-based IPC descriptors to