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Date: Wed, 19 Oct 2022 08:55:49 +0200 From: Roberto Sassu <roberto.sassu@...weicloud.com> To: Kees Cook <keescook@...omium.org> Cc: Christian Brauner <brauner@...nel.org>, Mimi Zohar <zohar@...ux.ibm.com>, Dmitry Kasatkin <dmitry.kasatkin@...il.com>, Paul Moore <paul@...l-moore.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 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. Roberto
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