From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 67B48C9830D for ; Thu, 24 Sep 2026 02:31:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References :Date:Message-Id:From:Subject:Content-Transfer-Encoding:MIME-Version: Content-Type:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=2qc7d2EWlAB6vGwNe4e6/zzd/A8J1JEyXp8FOsKTS5o=; b=wD+/fAEtbCA1sIiU+BxUAtR92a 8AWi9f6GuaRJNHrPoFivB+XS3x/TtTZWdbYzZ+MdaNtErqzeoDnIBicuyf+TBvYF7VTGE6rrdg62f sVUE7K8qusywg0a9TvUAyLPB677SDwW7xut1ehCHy9zIDXvqDAHCSVgGu1ABepkYimwwd+0VBEKTU 72QaUktpIgPanRNpw+KPs/KuMVdZ6dULSJBBcHTIR+oIrLM75ESmFJ4YqMGEvcROpsukeeFacltXZ DhEtpuRi3jef3AcG1RxEwC7r09RR8Kz4UTSVrNxHJfbydtJLUw4WjLvQnd3jaY3amLXKB7APnDX9L VNig78aA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x9ZFG-00000009s2G-0gn6; Thu, 24 Sep 2026 02:31:34 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1x9ZFE-00000009s1s-1aUD; Thu, 24 Sep 2026 02:31:32 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 1E2746021E; Thu, 24 Sep 2026 02:31:31 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C85461F000FF; Thu, 24 Sep 2026 02:31:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790217090; bh=2qc7d2EWlAB6vGwNe4e6/zzd/A8J1JEyXp8FOsKTS5o=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=JC5xI6yMewNWhNsEmO7JHny5cUGcQ9hRjrTCOpGEA7hCuTOaO71iLRgCRIouRJuFL qeQIZpHkVP8d9aNMCRDhC2i9B2eHQeLTeohmixvAQKQHP4e3DVjsP7NNIBmPJ9iy5V SEIlkyAb9Q3dNW2JVdoItMt1Ip+5ZW042ZB2aGPSgJmuYQnxGISbIBveFxSpf0ua/S k34VaEIlqR9t4pROBMgDFb1qLEikHLLRsdkEzFKiBPGGDaZ6sNUxJh6zTbcbn1Q052 qPvIhCwNc/XHsoZCUpnGPhdgzCyS4TRlL4T+zwRJeHD+ksrZ2BVuf1pyBv7+3d4kyj tFmJ2lPOdXp/Q== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 93A6939E9611; Thu, 24 Sep 2026 02:30:21 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net] net: airoha: npu: cancel wdt_work after releasing the WDT IRQ From: patchwork-bot+netdevbpf@kernel.org Message-Id: <179021702008.1285615.10214789929001458933.git-patchwork-notify@kernel.org> Date: Thu, 24 Sep 2026 02:30:20 +0000 References: <20260922000914.542068-1-mhun512@gmail.com> In-Reply-To: <20260922000914.542068-1-mhun512@gmail.com> To: Myeonghun Pak Cc: lorenzo@kernel.org, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, ae878000@gmail.com X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Mon, 21 Sep 2026 20:09:14 -0400 you wrote: > airoha_npu_remove() calls cancel_work_sync() on each core's wdt_work, > but the watchdog IRQ that queues it is requested with devm_request_irq() > and is freed only after .remove() returns. airoha_npu_wdt_handler() can > therefore schedule_work() again once the cancel has returned. struct > airoha_npu, which contains the work, is devm_kzalloc()'d and is freed in > that same unwind, so the late work dereferences freed memory. > > [...] Here is the summary with links: - [net] net: airoha: npu: cancel wdt_work after releasing the WDT IRQ https://git.kernel.org/netdev/net/c/4bdee8060d1e You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html