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 E3B024070ED for ; Wed, 18 Mar 2026 15:56:31 +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=1773849392; cv=none; b=sJD4WeO0Swkpj1IoSAzUh967Uutu15bA9wzxI0FvnR8zdwTBzEhV6Tf/JdWZaCJkxbQBJsPrC1Ug0jm6shrJG+lJL9kANFfuSuAL/vbLhAw9ECuGLerWjh+mm13D7ApPWxknwJ1/FU4PtVNGftH/7xA28YnEuJZrHSnjAZ5oai4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773849392; c=relaxed/simple; bh=Hlk1uLOzVt6L1P0annmM0o2Yqm2EqO7fgdi3curs8O0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=U1uqApPW5IvKmP/hUnT1HTTxCRQBVz5AUY2Sfu64OI/wKWg9HFt0DB99Nf3F0DjJLHO6wv5rZk+jUdgYmcDyLG1CZeDzVtpbuN1+Uv/MRkHTBUUbA23p9JZxgKfYdlpYt3B5vQUdKXN4AgZMthY7eLDFNHbvWm3HRSUZI3Q7Rn8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=RMnXYDze; 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="RMnXYDze" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 207D3C19421; Wed, 18 Mar 2026 15:56:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773849391; bh=Hlk1uLOzVt6L1P0annmM0o2Yqm2EqO7fgdi3curs8O0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RMnXYDzeLN9P2VQbkEdanZhTniTb9kg1odjU9kbFNY34+Sb4kKZVYzg6oRajgilEM KALVMsC1WXQKrnFTRdVlTS+mIKEuEtrz/6z44IvSFmSRObaGDhj9OYUDzenIjy5x7s Ag2AIZCRITUn8eqBsle9O+vr/F5zw9YGYiw3/HkQqp/+wLt57P8J85Jl3Zyh3bvX4F R7uoNMeZpTtaLHjfGT2+7FRV4Bc6N/DeIkXkqEHu9a6VQDDtvPwsxA+Y5rg+MFGolo 5U7hqrDIgcUqkJEryUGXzjyskiNp4Nhe2LxZnSvV1+tYTd10b6Vq+20ZAwaWzPld15 c/EKx60SOPlAg== From: Sasha Levin To: stable@vger.kernel.org Cc: Thomas Fourier , Dmitry Baryshkov , Rob Clark , Sasha Levin Subject: [PATCH 6.1.y] drm/msm: Fix dma_free_attrs() buffer size Date: Wed, 18 Mar 2026 11:56:29 -0400 Message-ID: <20260318155629.874664-1-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <2026031711-egotism-flap-ecc4@gregkh> References: <2026031711-egotism-flap-ecc4@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Thomas Fourier [ Upstream commit e4eb6e4dd6348dd00e19c2275e3fbaed304ca3bd ] The gpummu->table buffer is alloc'd with size TABLE_SIZE + 32 in a2xx_gpummu_new() but freed with size TABLE_SIZE in a2xx_gpummu_destroy(). Change the free size to match the allocation. Fixes: c2052a4e5c99 ("drm/msm: implement a2xx mmu") Cc: Signed-off-by: Thomas Fourier Reviewed-by: Dmitry Baryshkov Patchwork: https://patchwork.freedesktop.org/patch/707340/ Message-ID: <20260226095714.12126-2-fourier.thomas@gmail.com> Signed-off-by: Rob Clark Signed-off-by: Sasha Levin --- drivers/gpu/drm/msm/msm_gpummu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/msm/msm_gpummu.c b/drivers/gpu/drm/msm/msm_gpummu.c index f7d1945e0c9f5..ab26b7f2e0359 100644 --- a/drivers/gpu/drm/msm/msm_gpummu.c +++ b/drivers/gpu/drm/msm/msm_gpummu.c @@ -76,7 +76,7 @@ static void msm_gpummu_destroy(struct msm_mmu *mmu) { struct msm_gpummu *gpummu = to_msm_gpummu(mmu); - dma_free_attrs(mmu->dev, TABLE_SIZE, gpummu->table, gpummu->pt_base, + dma_free_attrs(mmu->dev, TABLE_SIZE + 32, gpummu->table, gpummu->pt_base, DMA_ATTR_FORCE_CONTIGUOUS); kfree(gpummu); -- 2.51.0