Re: [Virtio-fs] virtiofs mounted filesystems & SELinux

2021-06-03 Thread Link Dupont
On Thu, Jun 3 2021 at 08:56:46 PM -0400, Link Dupont wrote: reproducible scenarios Alright. I reran my tests with a CentOS 8 guest. On CentOS 8 (with a virtiofs filesystem and with xattr on), the type of files in the mounted hierarchy are unlabeled_t. I can work around that by switching SE

Re: [Virtio-fs] virtiofs mounted filesystems & SELinux

2021-06-03 Thread Link Dupont
On Thu, Jun 3 2021 at 08:24:02 PM +0100, Dr. David Alan Gilbert wrote: (I'm not sure el7 had 9p either??) Oh drat. I'm conflating my issues. I have an EL7 guest that is having a similar problem, except the guest sees the files as type nfs_t. I guess the symptoms are the same, but the solutio

Re: [Virtio-fs] virtiofs mounted filesystems & SELinux

2021-06-03 Thread Dr. David Alan Gilbert
* Link Dupont (l...@sub-pop.net) wrote: > Adding the element to the device does seem > to spawn virtiofsd with the option string "source=/home,xattr". My guest can > no longer mount the device though. > > It errors with: > > [ 170.225553] 9pnet_virtio: no channels available > mount: mount(2) fa

Re: [Virtio-fs] virtiofs mounted filesystems & SELinux

2021-06-03 Thread Link Dupont
Adding the element to the device does seem to spawn virtiofsd with the option string "source=/home,xattr". My guest can no longer mount the device though. It errors with: [ 170.225553] 9pnet_virtio: no channels available mount: mount(2) failed: No such file or directory I think what this is

Re: [Virtio-fs] regression: lsetfilecon fails, breaks rpm, dpkg, dnf in virtiofs guests.

2021-06-03 Thread Harry G. Coin
On 6/1/21 8:02 AM, Vivek Goyal wrote: > On Sat, May 29, 2021 at 01:42:50PM -0500, Harry G. Coin wrote: >> Some regression in virtio-fs has led to rpm/dnf/yum failingĀ  in the same >> guest it previously worked. >> >> linux 5.11.19-300.fc34.x86_64 >> >> Specifically, all attempts to use dnf/yum lead

Re: [Virtio-fs] [PATCH 3/4] fuse: Call vfs_get_tree() for submounts

2021-06-03 Thread Greg Kurz
On Thu, 27 May 2021 15:24:40 +0200 Max Reitz wrote: > On 25.05.21 17:02, Greg Kurz wrote: > > We recently fixed an infinite loop by setting the SB_BORN flag on > > submounts along with the write barrier needed by super_cache_count(). > > This is the job of vfs_get_tree() and FUSE shouldn't have t