[0/2] media: dvb-usb: Fix UAF and memory leaks
Message ID | 20210120102057.21143-1-tiwai@suse.de (mailing list archive) |
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Received: from vger.kernel.org ([23.128.96.18]) by www.linuxtv.org with esmtp (Exim 4.92) (envelope-from <linux-media-owner@vger.kernel.org>) id 1l2B5n-005htR-N1; Wed, 20 Jan 2021 10:52:03 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387711AbhATKma (ORCPT <rfc822;mkrufky@linuxtv.org> + 1 other); Wed, 20 Jan 2021 05:42:30 -0500 Received: from mx2.suse.de ([195.135.220.15]:56358 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732965AbhATKVn (ORCPT <rfc822;linux-media@vger.kernel.org>); Wed, 20 Jan 2021 05:21:43 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 97B8BAAAE; Wed, 20 Jan 2021 10:21:00 +0000 (UTC) From: Takashi Iwai <tiwai@suse.de> To: Mauro Carvalho Chehab <mchehab@kernel.org> Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Stefan Seyfried <seife+kernel@b1-systems.com> Subject: [PATCH 0/2] media: dvb-usb: Fix UAF and memory leaks Date: Wed, 20 Jan 2021 11:20:55 +0100 Message-Id: <20210120102057.21143-1-tiwai@suse.de> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: <linux-media.vger.kernel.org> X-Mailing-List: linux-media@vger.kernel.org X-LSpam-Score: -2.4 (--) X-LSpam-Report: No, score=-2.4 required=5.0 tests=BAYES_00=-1.9,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1 autolearn=ham autolearn_force=no |
Message
Takashi Iwai
Jan. 20, 2021, 10:20 a.m. UTC
Hi, here is a patch set to address the use-after-free at disconnecting a USB DVB device that was recently reported on openSUSE Bugzilla. The bug itself seems to be a long-standing one, and I spotted another memory leak there, which is covered in the first patch. Takashi === Takashi Iwai (2): media: dvb-usb: Fix memory leak at error in dvb_usb_device_init() media: dvb-usb: Fix use-after-free access drivers/media/usb/dvb-usb/dvb-usb-init.c | 41 +++++++++++++++--------- 1 file changed, 25 insertions(+), 16 deletions(-)