Re: [Qemu-devel] [PATCH v5 2/5] 9p: Treat multiple devices on one export as an error

2019-07-31 Thread Greg Kurz
On Wed, 3 Jul 2019 13:01:34 +0200 Christian Schoenebeck via Qemu-devel wrote: > The QID path should uniquely identify a file. However, the > inode of a file is currently used as the QID path, which > on its own only uniquely identifies files within a device. > Here we track the device hosting the

[Qemu-devel] [PATCH v5 2/5] 9p: Treat multiple devices on one export as an error

2019-07-03 Thread Christian Schoenebeck via Qemu-devel
The QID path should uniquely identify a file. However, the inode of a file is currently used as the QID path, which on its own only uniquely identifies files within a device. Here we track the device hosting the 9pfs share, in order to prevent security issues with QID path collisions from other dev