linux-hardening - Re: [RFC PATCH 0/3] kallsyms: add option to include relative filepaths into kallsyms

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Date:   Mon, 22 Aug 2022 16:40:22 +0200
From:   Alexander Lobakin <alexandr.lobakin@...el.com>
To:     linux-kernel@...r.kernel.org
Cc:     Alexander Lobakin <alexandr.lobakin@...el.com>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        "Naveen N. Rao" <naveen.n.rao@...ux.ibm.com>,
        "Anil S Keshavamurthy" <anil.s.keshavamurthy@...el.com>,
        "David S. Miller" <davem@...emloft.net>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Josh Poimboeuf <jpoimboe@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Jiri Kosina <jikos@...nel.org>,
        Miroslav Benes <mbenes@...e.cz>,
        Petr Mladek <pmladek@...e.com>,
        Joe Lawrence <joe.lawrence@...hat.com>,
        linux-kbuild@...r.kernel.org, live-patching@...r.kernel.org,
        lkp@...el.com,
        Fāng-ruì Sòng <maskray@...gle.com>,
        linux-hardening@...r.kernel.org, x86@...nel.org,
        Borislav Petkov <bp@...en8.de>,
        Kees Cook <keescook@...omium.org>,
        Marios Pomonis <pomonis@...gle.com>,
        "H.J. Lu" <hjl.tools@...il.com>, Nicolas Pitre <nico@...xnic.net>,
        llvm@...ts.linux.dev, Jessica Yu <jeyu@...nel.org>
Subject: Re: [RFC PATCH 0/3] kallsyms: add option to include relative filepaths into kallsyms

From: Alexander Lobakin <alexandr.lobakin@...el.com>
Date: Thu, 18 Aug 2022 13:53:03 +0200

> This is an early RFC to not rewrite stuff one more time later on if
> the implementation is not acceptable or any major design changes are
> required. For the TODO list, please scroll to the end.
> 
> Make kallsyms independent of symbols positions in vmlinux (or module)
> by including relative filepath in each symbol's kallsyms value. I.e.
> 
> dev_gro_receive -> net/core/gro.c:dev_gro_receive

Oops, forgot to Cc some more folks I was talking to regarding the
previous implementation <O> Fixed, pls let me know if you prefer to
get a resend.

> -- 
> 2.37.2

Thanks,
Olek