From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4C1AA14B08A; Tue, 16 Dec 2025 16:56:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765904186; cv=none; b=tx6W/2JRtBvQLxNXS+kU7xfd+TFCrTXKlxn11o0UuRGD7hX0LpFi6vZ9BWBlOk9+6/xxYG+fXAhgR8eKFrE4zUpb+w7sZVUwGMtSAUZKlY4m3W0+uwtToeUyHvHRnIUJRKoDupqi+EXDFz5aP+D0EMmt2LoquwEIy3PlVL4fxHI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765904186; c=relaxed/simple; bh=cNKpevnXsX9XUwqoMEgdxh29HOpfZ/BhQ6L8gahlKIU=; h=From:To:Cc:In-Reply-To:References:Subject:Message-Id:Date: MIME-Version:Content-Type; b=B6Ow3zE4SiX+sSQLzSDzGOyi6sTBX/yAxq8qY/+rwp2wC70OJW2zI0873izGeF3gJw8wOmHnr1iMnHWZy5vkzBSCTSHO3suEEh90lqgOzbW0GtUTUWR2MIRDfLBUFi8hD+VREobILs3BowlqUy1f3B/w+VQ4YKBEb2aK10D3QH4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=E7Ky9UFY; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="E7Ky9UFY" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 05012C19422; Tue, 16 Dec 2025 16:56:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1765904185; bh=cNKpevnXsX9XUwqoMEgdxh29HOpfZ/BhQ6L8gahlKIU=; h=From:To:Cc:In-Reply-To:References:Subject:Date:From; b=E7Ky9UFYTW+yabm3WfxuMFV/Q6arAWY/+OL+Yluax/1geJILcoXogcw8NspzCyiue p0QWmyzWMQwPb+QUaTP9OkJ6buwprWsclo96DgEH+/yFdPMdpVnH2gBtw3vGKHADXO OhWd74qZOdEiII+p4Bf7gFoHXgKiIydfm2fX1lqXVFUIodPHgrSHkFbCJucVvfmrHt 1FHiMNgJu1K5M0srCz7tBjVIfbxPFC+bWLUvqDJfR9GLXPJiwvjQfpovO2G21v6EWe vyY04O6S9e5fmrOnv8BymVbZpD8jYLZUnG9sEaKSf4Je/KxNeqftpCMICeSVIaGjMZ 2XQja81TLLnJQ== From: Vinod Koul To: "Sheetal ." Cc: ldewangan@nvidia.com, jonathanh@nvidia.com, thierry.reding@gmail.com, dmaengine@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <20251110142445.3842036-1-sheetal@nvidia.com> References: <20251110142445.3842036-1-sheetal@nvidia.com> Subject: Re: [PATCH] dmaengine: tegra-adma: Fix use-after-free Message-Id: <176590418364.422798.14000642771067955308.b4-ty@kernel.org> Date: Tue, 16 Dec 2025 22:26:23 +0530 Precedence: bulk X-Mailing-List: dmaengine@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Mailer: b4 0.13.0 On Mon, 10 Nov 2025 19:54:45 +0530, Sheetal . wrote: > A use-after-free bug exists in the Tegra ADMA driver when audio streams > are terminated, particularly during XRUN conditions. The issue occurs > when the DMA buffer is freed by tegra_adma_terminate_all() before the > vchan completion tasklet finishes accessing it. > > The race condition follows this sequence: > > [...] Applied, thanks! [1/1] dmaengine: tegra-adma: Fix use-after-free commit: 2efd07a7c36949e6fa36a69183df24d368bf9e96 Best regards, -- ~Vinod