From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 258D9C43616 for ; Mon, 10 May 2021 12:17:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E01C76143C for ; Mon, 10 May 2021 12:17:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233582AbhEJMSC (ORCPT ); Mon, 10 May 2021 08:18:02 -0400 Received: from mail.kernel.org ([198.145.29.99]:40838 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231341AbhEJLIm (ORCPT ); Mon, 10 May 2021 07:08:42 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 2DF8B619FE; Mon, 10 May 2021 11:04:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1620644641; bh=VkO9kDar+T5480JzDWlIRMDbg+VsBAidXambrt3br0g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jOo8vWjpJ4BDDPqAFj9/nZARbyJk8y3sgJSQCy8l0MIXfcrlkt2YUloXIWstoXNPj qyObDppDVl9KvMXA9Rl8wORY519cDtNFJgrjdUCUsmsgBJXvnNljgbxFKUZTnomncT Ebxt8+3P+Ez9EK+esv4He8jcyNo0jpfFYi6v1rzo= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, xndcn , Gerd Hoffmann , Sasha Levin Subject: [PATCH 5.12 165/384] drm/virtio: fix possible leak/unlock virtio_gpu_object_array Date: Mon, 10 May 2021 12:19:14 +0200 Message-Id: <20210510102020.323729382@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210510102014.849075526@linuxfoundation.org> References: <20210510102014.849075526@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: xndcn [ Upstream commit 377f8331d0565e6f71ba081c894029a92d0c7e77 ] virtio_gpu_object array is not freed or unlocked in some failed cases. Signed-off-by: xndcn Link: http://patchwork.freedesktop.org/patch/msgid/20210305151819.14330-1-xndchn@gmail.com Signed-off-by: Gerd Hoffmann Signed-off-by: Sasha Levin --- drivers/gpu/drm/virtio/virtgpu_ioctl.c | 2 +- drivers/gpu/drm/virtio/virtgpu_object.c | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c index 23eb6d772e40..669f2ee39515 100644 --- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c +++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c @@ -174,7 +174,7 @@ static int virtio_gpu_execbuffer_ioctl(struct drm_device *dev, void *data, if (!sync_file) { dma_fence_put(&out_fence->f); ret = -ENOMEM; - goto out_memdup; + goto out_unresv; } exbuf->fence_fd = out_fence_fd; diff --git a/drivers/gpu/drm/virtio/virtgpu_object.c b/drivers/gpu/drm/virtio/virtgpu_object.c index d69a5b6da553..4ff1ec28e630 100644 --- a/drivers/gpu/drm/virtio/virtgpu_object.c +++ b/drivers/gpu/drm/virtio/virtgpu_object.c @@ -248,6 +248,7 @@ int virtio_gpu_object_create(struct virtio_gpu_device *vgdev, ret = virtio_gpu_object_shmem_init(vgdev, bo, &ents, &nents); if (ret != 0) { + virtio_gpu_array_put_free(objs); virtio_gpu_free_object(&shmem_obj->base); return ret; } -- 2.30.2