From nobody Sun Feb 8 16:05:14 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id F397DC433EF for ; Mon, 23 May 2022 17:06:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239394AbiEWRFu (ORCPT ); Mon, 23 May 2022 13:05:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48298 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239317AbiEWRFC (ORCPT ); Mon, 23 May 2022 13:05:02 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8758E62CD9; Mon, 23 May 2022 10:05:01 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id E33FF614BC; Mon, 23 May 2022 17:05:00 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D9C7AC385A9; Mon, 23 May 2022 17:04:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1653325500; bh=/n1jvuZgXfMmssLmtGUHlHxOaxvfRQ7eIBhQycsuqxc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KNR8CxlAvbaJf/pmUoOmjcnGvCFTdR6mJw8F0sYdEXr4deQGgvi3XoK7Ysmed+4sD S+b4YBjCiQ9xrbQqCbcQFo/nAJXeL//eQItvTfB1OL+LuW3hMd2I6hO+moKTXG1LnM jJafdm9EsQK1V6UA00RojVIDg4LKIswGcMsiURak= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Hangyu Hua , Lyude Paul Subject: [PATCH 4.9 12/25] drm/dp/mst: fix a possible memory leak in fetch_monitor_name() Date: Mon, 23 May 2022 19:03:30 +0200 Message-Id: <20220523165746.853184064@linuxfoundation.org> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220523165743.398280407@linuxfoundation.org> References: <20220523165743.398280407@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Hangyu Hua commit 6e03b13cc7d9427c2c77feed1549191015615202 upstream. drm_dp_mst_get_edid call kmemdup to create mst_edid. So mst_edid need to be freed after use. Signed-off-by: Hangyu Hua Reviewed-by: Lyude Paul Signed-off-by: Lyude Paul Cc: stable@vger.kernel.org Link: https://patchwork.freedesktop.org/patch/msgid/20220516032042.13166-1-= hbh25y@gmail.com Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/drm_dp_mst_topology.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -2830,6 +2830,7 @@ static void fetch_monitor_name(struct dr =20 mst_edid =3D drm_dp_mst_get_edid(port->connector, mgr, port); drm_edid_get_monitor_name(mst_edid, name, namelen); + kfree(mst_edid); } =20 /**