From: Joshua Crofts <joshua.crofts1@gmail.com>
To: Guangshuo Li <liguangshuo@mail.sdu.edu.cn>
Cc: "Jonathan Cameron" <jic23@kernel.org>,
"David Lechner" <dlechner@baylibre.com>,
"Nuno Sá" <nuno.sa@analog.com>,
"Andy Shevchenko" <andy@kernel.org>,
linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] iio: accel: kxsd9: Fix potential use-after-free on removal
Date: Sat, 31 Oct 2026 17:05:48 +0100 [thread overview]
Message-ID: <20261031170548.5bbd2c8a@systembl0wer> (raw)
In-Reply-To: <47d9e9120165e819d706f922c798517701019bf1.1793377431.git.liguangshuo@mail.sdu.edu.cn>
On Sat, 31 Oct 2026 21:05:38 +0800
Guangshuo Li <liguangshuo@mail.sdu.edu.cn> wrote:
> Unregistering an IIO device with an active triggered buffer detaches its
> poll function. Freeing the poll function first can therefore make
> iio_device_unregister() access freed memory.
>
> Unregister the device before cleaning up the triggered buffer.
>
> This issue was found by our static analysis tool under development.
>
> Fixes: 0427a106a98a ("iio: accel: kxsd9: Add triggered buffer handling")
> Assisted-by: OpenAI:gpt-6-astra
Drop this tag, it has been deprecated.
Otherwise LGTM.
Reviewed-by: Joshua Crofts <crofts@kernel.org>
--
Kind regards,
Joshua Crofts
next prev parent reply other threads:[~2026-10-31 16:05 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-31 13:05 Guangshuo Li
2026-10-31 16:05 ` Joshua Crofts [this message]
2026-11-02 0:31 ` Jonathan Cameron
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