On Fri, Feb 25, 2022 at 02:11:04PM -0500, Mimi Zohar wrote: > On Fri, 2022-02-25 at 08:41 +0000, Roberto Sassu wrote: > > > From: Mimi Zohar [mailto:zohar@xxxxxxxxxxxxx] > > > Sent: Friday, February 25, 2022 1:22 AM > > > Hi Roberto, > > > > > > On Tue, 2022-02-15 at 13:40 +0100, Roberto Sassu wrote: > > > > Extend the interoperability with IMA, to give wider flexibility for the > > > > implementation of integrity-focused LSMs based on eBPF. > > > > > > I've previously requested adding eBPF module measurements and signature > > > verification support in IMA. There seemed to be some interest, but > > > nothing has been posted. > > > > Hi Mimi > > > > for my use case, DIGLIM eBPF, IMA integrity verification is > > needed until the binary carrying the eBPF program is executed > > as the init process. I've been thinking to use an appended > > signature to overcome the limitation of lack of xattrs in the > > initial ram disk. > > I would still like to see xattrs supported in the initial ram disk. > Assuming you're still interested in pursuing it, someone would need to > review and upstream it. Greg? Me? How about the filesystem maintainers and developers? :) There's a reason we never added xattrs support to ram disks, but I can't remember why... thanks, gre gk-h