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 823CF3FA5F9 for ; Wed, 18 Mar 2026 16:06:40 +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=1773850000; cv=none; b=If09UaypKKCGMj9tY6JHexA12csisEOJQDqk34enIzLk4KjA4Ojoyd8bBcoejQpUnYTgRr8GJwO5JJuYKg6GLA2BFj0oVXOAsWG2ueHi7ORZUrs9YApVanljMP+3p6CMxTiv5zhU8fCF2SRLgEPiH0Fw+cyB+thoq8XVMnW4SDY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773850000; c=relaxed/simple; bh=Vpo9SlsFf86LagbElYRen4KlfDA5etZ8gG0OeqXd9hA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=mlFdOMK1hO6gNg6S4W43qBeUbvmoMjrE44B6lGoWxxgPONdpldF29uTEc0+EJvwPKkNlBWs7qS6zS7aDUfL6ApG+vUJsnZrbsbHXPPHH/cgNkuQpwEVxpHbjLgfGN9rxlfQeaX6kUYxYPKy/zJrBo2PuzBMXVUYTCwJtorjG68o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Sn6tRDQf; 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="Sn6tRDQf" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 648E5C2BC87; Wed, 18 Mar 2026 16:06:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773849999; bh=Vpo9SlsFf86LagbElYRen4KlfDA5etZ8gG0OeqXd9hA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Sn6tRDQfzX2R9DPq7Wop320p18ubF42gws7r0Gs/nIA4wZs/9B79zQXg420pbBCBJ AuizkbYVOrJiE4SSRb9lVCkRiJ1YCRCoHIBR600oIlDDtSMo2hptvAQtWNubsZoai+ DHwSeZZFHL1F7L8U1Zq3EWuiqTud0iJLURatinA5XxTKGPafm+8OOA7qt74JiOvkqr rLsYnI3mZTrf0BfIyZeCRmSGV7HwRrrPE7j9oIOl4R8gTtLKExGCJl1qduq7okXpl9 VmcN9eabwyEs8PTB6jiJNeA1afEy0gUteq5f/6Z/JXHfNo9YtcRljxUe0OUi/m/e3B /hH3QmJxYp4MA== From: Sasha Levin To: stable@vger.kernel.org Cc: Thomas Fourier , Dmitry Baryshkov , Rob Clark , Sasha Levin Subject: [PATCH 5.10.y] drm/msm: Fix dma_free_attrs() buffer size Date: Wed, 18 Mar 2026 12:06:37 -0400 Message-ID: <20260318160637.905031-1-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <2026031712-blouse-army-648c@gregkh> References: <2026031712-blouse-army-648c@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 379496186c7ff..69df19ef25afa 100644 --- a/drivers/gpu/drm/msm/msm_gpummu.c +++ b/drivers/gpu/drm/msm/msm_gpummu.c @@ -72,7 +72,7 @@ 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