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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,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 0A7A5C2D0D1 for ; Sun, 29 Dec 2019 17:40:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DA25C2253D for ; Sun, 29 Dec 2019 17:40:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1577641208; bh=/2OVEwlCkxWY1k+VCDb7OD6sDfIiEVDLEV3nLnTDBiU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=AsWVZlWdrJdfrCELkOC2Oezzu2U6SkjAXOizDyoRF65TNzYFLgwBRGev0GaHbUsNe rhwfijtcgf8N6vyyaC71Zq/BIb7AU7KfBw0eG2qNLCpBt+XbUXASQM54qIema4Cx3P YEpQY2Y9qEYZkDVi77vp6cIkQwFm9p8a9/MgmDNM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729271AbfL2RcM (ORCPT ); Sun, 29 Dec 2019 12:32:12 -0500 Received: from mail.kernel.org ([198.145.29.99]:60496 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729268AbfL2RcL (ORCPT ); Sun, 29 Dec 2019 12:32:11 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 7A51120409; Sun, 29 Dec 2019 17:32:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1577640730; bh=/2OVEwlCkxWY1k+VCDb7OD6sDfIiEVDLEV3nLnTDBiU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DJQ7XFngTyidCCmL6qMxg6/dINnwiC2+Tg0HWBsUPXp2/2PF/uvEiDaNRwUNHwWmO koL8pmGb9aqAvmE8Lh2t7cjNArPlYNyWL6VGNv1DmV0UfpjWiqBdHdIcFwbG8iuAi6 jKErgWrIjqZ/HRM71T8Zdqw/eTPk1lEYmgIOpUWg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Kangjie Lu , Geert Uytterhoeven , Hans Verkuil , Mauro Carvalho Chehab , Sasha Levin Subject: [PATCH 4.19 115/219] media: rcar_drif: fix a memory disclosure Date: Sun, 29 Dec 2019 18:18:37 +0100 Message-Id: <20191229162526.006842235@linuxfoundation.org> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20191229162508.458551679@linuxfoundation.org> References: <20191229162508.458551679@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Kangjie Lu [ Upstream commit d39083234c60519724c6ed59509a2129fd2aed41 ] "f->fmt.sdr.reserved" is uninitialized. As other peer drivers like msi2500 and airspy do, the fix initializes it to avoid memory disclosures. Signed-off-by: Kangjie Lu Reviewed-by: Geert Uytterhoeven Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Sasha Levin --- drivers/media/platform/rcar_drif.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/media/platform/rcar_drif.c b/drivers/media/platform/rcar_drif.c index 81413ab52475..b677d014e7ba 100644 --- a/drivers/media/platform/rcar_drif.c +++ b/drivers/media/platform/rcar_drif.c @@ -912,6 +912,7 @@ static int rcar_drif_g_fmt_sdr_cap(struct file *file, void *priv, { struct rcar_drif_sdr *sdr = video_drvdata(file); + memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved)); f->fmt.sdr.pixelformat = sdr->fmt->pixelformat; f->fmt.sdr.buffersize = sdr->fmt->buffersize; -- 2.20.1