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Fri, 21 Nov 2025 09:51:50 -0800 (PST) Date: Fri, 21 Nov 2025 20:51:47 +0300 From: Dan Carpenter To: Ilpo =?iso-8859-1?Q?J=E4rvinen?= Cc: Qipeng Zha , Hans de Goede , Andy Shevchenko , Darren Hart , platform-driver-x86@vger.kernel.org, LKML , kernel-janitors@vger.kernel.org Subject: Re: [PATCH] platform/x86: intel: punit_ipc: fix memory corruption Message-ID: References: Precedence: bulk X-Mailing-List: kernel-janitors@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Fri, Nov 21, 2025 at 07:27:54PM +0200, Ilpo Järvinen wrote: > On Fri, 21 Nov 2025, Dan Carpenter wrote: > > > This passes a stack address to the IRQ handler, "&punit_ipcdev" vs > > This first part I don't get, why you think &punit_ipcdev is a stack > address? The punit_ipcdev variable is defined in the global scope: > > static IPC_DEV *punit_ipcdev; Ah, right. Sorry. I thought it was a local variable. Yeah. Let me resend this. regards, dan carpenter