Re: [PATCH v2 0/3] initramfs: add support for xattrs in the initial ram disk
Dominik Brodowski <[email protected]>
| Newsgroups | org.kernel.vger.initramfs,org.kernel.vger.linux-api,org.kernel.vger.linux-fsdevel,org.kernel.vger.linux-integrity,org.kernel.vger.linux-kernel,org.kernel.vger.linux-security-module |
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| Message-ID | <[email protected]> |
On Sun, May 12, 2019 at 03:18:16AM -0700, [email protected] wrote: > > Couldn't this parsing of the .xattr-list file and the setting of the xattrs > > be done equivalently by the initramfs' /init? Why is kernel involvement > > actually required here? > > There are a lot of things that could/should be done that way... Indeed... so why not try to avoid adding more such "things", and keeping them in userspace (or in a fork_usermode_blob)? On Sun, May 12, 2019 at 08:52:47AM -0400, Mimi Zohar wrote: > It's too late. The /init itself should be signed and verified. Could you elaborate a bit more about the threat model, and why deferring this to the initramfs is too late? Thanks, Dominik