From: Markus Elfring <Markus.Elfring@web.de>
To: "Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>,
"Harshit Mogalapalli" <harshit.m.mogalapalli@oracle.com>,
platform-driver-x86@vger.kernel.org,
kernel-janitors@vger.kernel.org,
"Hans de Goede" <hdegoede@redhat.com>,
"Srinivas Pandruvada" <srinivas.pandruvada@linux.intel.com>,
"Zhang Rui" <rui.zhang@intel.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
Dan Carpenter <dan.carpenter@linaro.org>,
Dan Carpenter <error27@gmail.com>
Subject: Re: [v2] platform/x86: ISST: fix use-after-free in tpmi_sst_dev_remove()
Date: Mon, 20 May 2024 12:56:42 +0200 [thread overview]
Message-ID: <d73fe99b-dea3-4792-aa1c-c3317f296003@web.de> (raw)
In-Reply-To: <6d1bf351-77cc-7fe9-2d62-8bd99789e4f1@linux.intel.com>
>> …
>>> Fix this by reordering the kfree() post the dereference.
>>
>> Would a wording approach (like the following) be a bit nicer?
>>
>> Move a kfree() call behind an assignment statement in the affected if branch.
>
> No, the suggested wording would make it less precise ("post the
> dereference" -> "behind an assignment") and also tries to tell pointless
> things about the location in the codei that is visible in the patch itself.
Would you eventually like another wording variant a bit more?
Thus move a kfree() call behind a dereference of an invalid pointer.
Regards,
Markus
next prev parent reply other threads:[~2024-05-20 10:57 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-17 14:49 [PATCH v2] platform/x86: ISST: fix use-after-free in tpmi_sst_dev_remove() Harshit Mogalapalli
2024-05-17 15:15 ` srinivas pandruvada
2024-05-18 17:30 ` Markus Elfring
2024-05-20 9:38 ` Ilpo Järvinen
2024-05-20 10:56 ` Markus Elfring [this message]
2024-05-20 17:49 ` [v2] " Hans de Goede
2024-05-21 5:15 ` Markus Elfring
2024-05-21 10:06 ` Ilpo Järvinen
2024-05-21 10:42 ` Markus Elfring
2024-05-21 10:56 ` Ilpo Järvinen
2024-05-21 11:09 ` Markus Elfring
2024-05-27 9:29 ` [PATCH v2] " Hans de Goede
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