linux-kernel - Re: [PATCH] module: print module name on refcount error

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Message-ID: <ZKLRaq3pzzE2gfws@dhcp22.suse.cz>
Date:   Mon, 3 Jul 2023 15:47:22 +0200
From:   Michal Hocko <mhocko@...e.com>
To:     Luis Chamberlain <mcgrof@...nel.org>
Cc:     Jean Delvare <jdelvare@...e.de>, linux-modules@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] module: print module name on refcount error

On Fri 30-06-23 16:05:33, Luis Chamberlain wrote:
[...]
> What prevents code from racing the free with a random module_put()
> called by some other piece of code?

Wouldn't be ref count a garbage already? How can you race when freeing
if module_put fail?
-- 
Michal Hocko
SUSE Labs