linux-kernel - Re: [PATCH RFC v2 19/22] selinux: validate symbols

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Message-ID: <e1e67dea8520f71bc54377a93e26d849@paul-moore.com>
Date: Tue, 07 Jan 2025 22:00:09 -0500
From: Paul Moore <paul@...l-moore.com>
To: Christian Göttsche <cgoettsche@...tendoof.de>, selinux@...r.kernel.org
Cc: Christian Göttsche <cgzones@...glemail.com>, Stephen Smalley <stephen.smalley.work@...il.com>, Ondrej Mosnacek <omosnace@...hat.com>, Nathan Chancellor <nathan@...nel.org>, Nick Desaulniers <ndesaulniers@...gle.com>, Bill Wendling <morbo@...gle.com>, Justin Stitt <justinstitt@...gle.com>, Thiébaud Weksteen <tweek@...gle.com>, Bram Bonné <brambonne@...gle.com>, Masahiro Yamada <masahiroy@...nel.org>, linux-kernel@...r.kernel.org, llvm@...ts.linux.dev
Subject: Re: [PATCH RFC v2 19/22] selinux: validate symbols

On Dec 16, 2024 =?UTF-8?q?Christian=20G=C3=B6ttsche?= <cgoettsche@...tendoof.de> wrote:
> 
> Some symbol tables need to be validated after indexing, since during
> indexing their referenced entries might not yet have been indexed.
> 
> Signed-off-by: Christian Göttsche <cgzones@...glemail.com>
> ---
>  security/selinux/ss/policydb.c | 94 ++++++++++++++++++++++++++++++++++
>  1 file changed, 94 insertions(+)

Out of curiosity, have you measured the policy load times before and
after this patchset?  I'd like to understand the performance impact of
the additional checks and validations.

--
paul-moore.com