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 09ED1194C98 for ; Wed, 18 Mar 2026 16:01:58 +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=1773849719; cv=none; b=JfZYh0sV+rZfSJJFedczYJPv1Fd3Bk+oADDY14Xs77qDSFJnV3kXzt9aRofVdrQ1kZxTZwciRdCkmafBDJcYvNQYNzHiP6vt3+46yZ7GszVWLXszl0+1fUpPrcYjSn39kRpiapQhLTBKkcdrNpQOBtQ0VdYRWRCSAPYImvPe3D0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773849719; c=relaxed/simple; bh=Hlk1uLOzVt6L1P0annmM0o2Yqm2EqO7fgdi3curs8O0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Mid+09MKfeAQC7N9MqloO9bdkebuLxb1Aas29SOLdbVbWtm58dabJCZ9WzI12/0CSwr97tiZSpZdv0cZmmmMg4it0G8C0gHWi9c1R5znjNQeEJfIQBskrGVaDmi3+WhpC7Vz9/nXle7Nqkh3VKbMXEXcXwBaQyBUlicgwzl2k2A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=p+PCopi9; 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="p+PCopi9" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D35B6C19421; Wed, 18 Mar 2026 16:01:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773849718; bh=Hlk1uLOzVt6L1P0annmM0o2Yqm2EqO7fgdi3curs8O0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=p+PCopi9U+xQMxrcLP5jbYs6RHI6X2SY99uUKHGXNwASVZ1C9sWadF54YRv6TxiDV MwbCYyuyBoWqWL5zmR+GUXjqi7OZ3KZ1f08fKjYSGMoN7RpfTkwZcY9XqenUhicrKk +cc7HoQhiMgQ8xVENx4+/t4yFgtjcFYtv3fegr5RusQEQRXLRkQzn1DODEFQ8ETkwH ie5WImrWmw1DpniDhPIA4h9vfI1JGkvQhkjziACwkcUfsNw5OonAopms4Z3Zr4UGzv pL4PGs2RZ9xhHIoprrS5G16JK2e2CBwLbBt5TZyzpfcYV/tI0eeJS5tFh7l4pnBDvp J7cMr/mMkGXZg== From: Sasha Levin To: stable@vger.kernel.org Cc: Thomas Fourier , Dmitry Baryshkov , Rob Clark , Sasha Levin Subject: [PATCH 5.15.y] drm/msm: Fix dma_free_attrs() buffer size Date: Wed, 18 Mar 2026 12:01:56 -0400 Message-ID: <20260318160156.901329-1-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <2026031712-emphasis-helpless-0b0a@gregkh> References: <2026031712-emphasis-helpless-0b0a@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