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Date: Thu, 20 Oct 2022 11:47:46 -0400 From: Paul Moore <paul@...l-moore.com> To: Roberto Sassu <roberto.sassu@...weicloud.com> Cc: Kees Cook <keescook@...omium.org>, Christian Brauner <brauner@...nel.org>, Mimi Zohar <zohar@...ux.ibm.com>, Dmitry Kasatkin <dmitry.kasatkin@...il.com>, James Morris <jmorris@...ei.org>, "Serge E. Hallyn" <serge@...lyn.com>, Petr Vorel <pvorel@...e.cz>, Jonathan McDowell <noodles@...com>, Borislav Petkov <bp@...e.de>, Takashi Iwai <tiwai@...e.de>, linux-integrity@...r.kernel.org, linux-security-module@...r.kernel.org, Mickaël Salaün <mic@...ikod.net>, KP Singh <kpsingh@...nel.org>, Casey Schaufler <casey@...aufler-ca.com>, John Johansen <john.johansen@...onical.com>, linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org Subject: Re: [PATCH 4/9] ima: Move ima_file_free() into LSM On Wed, Oct 19, 2022 at 2:56 AM Roberto Sassu <roberto.sassu@...weicloud.com> wrote: > On Tue, 2022-10-18 at 11:29 -0700, Kees Cook wrote: > > On Tue, Oct 18, 2022 at 05:32:40PM +0200, Roberto Sassu wrote: > > > I also did this work before. In my implementation, I created a new > > > security hook called security_file_pre_free(). > > > > > > https://github.com/robertosassu/linux/commit/692c9d36fff865435b23b3cb765d31f3584f6263 > > > > > > If useful, the whole patch set is available at: > > > > > > https://github.com/robertosassu/linux/commits/ima-evm-lsm-v1-devel-v3 > > > > Ah, lovely! Can you pick this back up and run with it? I mainly did > > these a proof-of-concept, but it looks like you got further. > > It was some time ago. If I remember correctly, I got to the point of > running IMA/EVM and passing basic tests. > > Will take a look at your patches and comments, and integrate in mines > if something is missing. > > Will also send again the prerequisite patch set. Thanks Roberto, I appreciate you taking the time to resume your earlier work. I think this will be a nice improvement and help us cleanup a lot of code. -- paul-moore.com
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