linux-kernel - Re: [PATCH] kernel/module.c: fix for symbol decode in stack trace for stripped modules

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Message-ID: <YcDXrwXDw7nI6u2b@bombadil.infradead.org>
Date:   Mon, 20 Dec 2021 11:21:19 -0800
From:   Luis Chamberlain <mcgrof@...nel.org>
To:     Vimal Agrawal <Vimal.Agrawal@...hos.com>
Cc:     Masahiro Yamada <masahiroy@...nel.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Jan Beulich <JBeulich@...e.com>, Jeff Mahoney <jeffm@...e.com>,
        Sam Ravnborg <sam@...nborg.org>,
        "linux-kbuild@...r.kernel.org" <linux-kbuild@...r.kernel.org>,
        "jeyu@...nel.org" <jeyu@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Vimal Agrawal <avimalin@...il.com>
Subject: Re: [PATCH] kernel/module.c: fix for symbol decode in stack trace
 for stripped modules

On Mon, Dec 20, 2021 at 08:57:46AM +0000, Vimal Agrawal wrote:
> Hi Luis,
> 
> Sorry for goof up with inline replies. I found that gmail supports bottom-posting so I will be replying inline from gmail next time. I will send the next patch using git send-email.
> 
> Looks like it has been there in crash source for very long.
> 
> store_module_symbols_v2
>         sprintf(buf2, "%s%s", "_MODULE_START_", mod_name);
>             sprintf(buf3, "%s%s", "_MODULE_INIT_START_", mod_name);

Can you point to the commit that added it? Preferably if you can have
a URL I can just use to see the change?

> I will test it first on latest ubuntu which has kernel version 5.13.0-22.

No, that's not sufficient, I really want you to use either Linus' latest
tree or linux-next.

  Luis