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 BA2AE2BDC2C for ; Wed, 18 Mar 2026 15:48:42 +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=1773848922; cv=none; b=PeYg/5qobW2WulCurZhxy4sNVtUCzyoFISqlUJuvAsZDHuoEK4Q/DwnQBGbn1IxqEV7318E0fpBy2lvcBI9MR57qIgZrpglJKfJcFP/eVFOwI6OVrhA5uf+P4XICIqvV1ME8p+fz96JxUerh5rATR6kFBbkqzEPQIi/6DOpEOIc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773848922; c=relaxed/simple; bh=Hlk1uLOzVt6L1P0annmM0o2Yqm2EqO7fgdi3curs8O0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=VWZaR7sia67SaQvgc/Px0c+yTnwG2lfa/YdF7QeuX+ieCIcQ40/tnqiydv1NcyyTcPw4m8LMoVvfOLbjBfwbuHFaPAsmjzKXubXgtzmSzD1+dvoFt9PBQfCiBArC/rZcZdufdBoFzBYR/d5u49QxoZIVBS4oRy5zeBwsMJubKVU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=gSBLYUUR; 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="gSBLYUUR" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 92D63C19421; Wed, 18 Mar 2026 15:48:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773848922; bh=Hlk1uLOzVt6L1P0annmM0o2Yqm2EqO7fgdi3curs8O0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gSBLYUURdB63jtolin8Ct0vMRIuuiJEb5x2TwXHGWRmOjVrMMCQCOjgaZUnwIDCNX DFwQRCidUga8X72UCZ9b9fXbEskMtHQG8L2YGPwX5UjRD/c6t7J0A6D8TtqujaSRM2 OxzAUb3VexTqapXvXXnxh6ABKpfRg50c7FsgMVd49CJYdtbB3HCDa/dAedJ05yqvGI 9R61RT2Hra4R2kmsSdbb+CW0T2amUWo61oqkCT+vPERnGc/NY//QbV9E9tWyacclUp l+DjezWbZJPtEM4DvzMrgw21Yvp7ixsa2Wq218i+XxBCL9P6lleWt2hS+3TADWmlam FWWS+fQBNB9jw== From: Sasha Levin To: stable@vger.kernel.org Cc: Thomas Fourier , Dmitry Baryshkov , Rob Clark , Sasha Levin Subject: [PATCH 6.6.y] drm/msm: Fix dma_free_attrs() buffer size Date: Wed, 18 Mar 2026 11:48:37 -0400 Message-ID: <20260318154837.868095-1-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <2026031710-uptake-straining-ca85@gregkh> References: <2026031710-uptake-straining-ca85@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