From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: Marco Scardovi <scardracs@disroot.org>,
Mika Westerberg <westeri@kernel.org>,
Linus Walleij <linusw@kernel.org>,
Bartosz Golaszewski <brgl@kernel.org>,
linux-gpio@vger.kernel.org, linux-acpi@vger.kernel.org,
linux-kernel@vger.kernel.org,
"Marco Scardovi (scardracs)" <mscardovi95@gmail.com>
Subject: Re: [PATCH v4 2/4] gpiolib: acpi: fix resource leak in OpRegion
Date: Tue, 2 Jun 2026 10:57:50 +0300 [thread overview]
Message-ID: <ah6M_vEIREG0w_mV@ashevche-desk.local> (raw)
In-Reply-To: <20260601121815.GS3102@black.igk.intel.com>
On Mon, Jun 01, 2026 at 02:18:15PM +0200, Mika Westerberg wrote:
> On Sun, May 31, 2026 at 02:03:09PM +0200, Marco Scardovi wrote:
...
> This is really complex solution to a problem I'm not sure that even exists.
The problem that potentially may have an attack vector is the malicious ACPI tables
(via SSDT overlay, for example). So some of the validations (like pin index in the
pin list) would be somewhat useful.
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2026-06-02 7:57 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-31 12:03 [PATCH v4 0/4] gpiolib: acpi: Consolidated fixes and bounds checking Marco Scardovi
2026-05-31 12:03 ` [PATCH v4 1/4] gpiolib: acpi: Add robust bounds-checking for GPIO pin resources Marco Scardovi
2026-05-31 12:03 ` [PATCH v4 2/4] gpiolib: acpi: fix resource leak in OpRegion Marco Scardovi
2026-06-01 12:18 ` Mika Westerberg
2026-06-01 13:03 ` Marco Scardovi
2026-06-02 7:57 ` Andy Shevchenko [this message]
2026-06-02 9:53 ` Mika Westerberg
2026-06-02 10:04 ` Andy Shevchenko
2026-05-31 12:03 ` [PATCH v4 3/4] gpiolib: acpi: prevent address truncation in OperationRegion handler Marco Scardovi
2026-05-31 12:03 ` [PATCH v4 4/4] gpiolib: acpi: fix out-of-bounds pointer arithmetic in acpi_gpio_package_count Marco Scardovi
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