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Date:   Tue, 22 Jan 2019 11:47:17 -0800
From:   Luis Chamberlain <>
To:     Dan Carpenter <>,
Subject: Re: [PATCH] lib/test_kmod: Potential double free in error handling

On Mon, Jan 21, 2019 at 05:00:11PM +0300, Dan Carpenter wrote:
> There is a copy and paste bug so we set "config->test_driver" to NULL
> twice instead of setting "config->test_fs".  Smatch complains that it
> leads to a double free:
> lib/test_kmod.c:840 __kmod_config_init() warn: 'config->test_fs' double freed
> Fixes: d9c6a72d6fa2 ("kmod: add test driver to stress test the module loader")
> Signed-off-by: Dan Carpenter <>


Acked-by: Luis Chamberlain <>


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