From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Bartosz Golaszewski <brgl@bgdev.pl>
Cc: Linus Walleij <linus.walleij@linaro.org>,
linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org,
Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Subject: Re: [PATCH v2] gpiolib: fix invalid pointer access in debugfs
Date: Mon, 3 Nov 2025 16:36:54 +0200 [thread overview]
Message-ID: <aQi-Bs3Aw6T6ejt_@smile.fi.intel.com> (raw)
In-Reply-To: <20251103141132.53471-1-brgl@bgdev.pl>
On Mon, Nov 03, 2025 at 03:11:32PM +0100, Bartosz Golaszewski wrote:
> If the memory allocation in gpiolib_seq_start() fails, the s->private
> field remains uninitialized and is later dereferenced without checking
> in gpiolib_seq_stop(). Initialize s->private to NULL before calling
> kzalloc() and check it before dereferencing it.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2025-11-03 14:37 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-03 14:11 Bartosz Golaszewski
2025-11-03 14:36 ` Andy Shevchenko [this message]
2025-11-03 15:11 ` Bartosz Golaszewski
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