linux-kernel - Re: [PATCH 4/4] test_kmod: Avoid potential double free in trigger_config_run

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Message-ID: <20200418054742.GB11244@42.do-not-panic.com>
Date:   Sat, 18 Apr 2020 05:47:42 +0000
From:   Luis Chamberlain <mcgrof@...nel.org>
To:     Tiezhu Yang <yangtiezhu@...ngson.cn>
Cc:     Shuah Khan <shuah@...nel.org>, linux-kselftest@...r.kernel.org,
        linux-kernel@...r.kernel.org, Xuefeng Li <lixuefeng@...ngson.cn>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 4/4] test_kmod: Avoid potential double free in
 trigger_config_run_type()

On Sat, Apr 18, 2020 at 01:20:00PM +0800, Tiezhu Yang wrote:
> It should set config->test_fs instead of config->test_driver as NULL
> after kfree_const(config->test_fs) to avoid potential double free.
> 
> Signed-off-by: Tiezhu Yang <yangtiezhu@...ngson.cn>

Acked-by:  Luis Chamberlain <mcgrof@...nel.org>

   Luis