From patchwork Tue Nov 12 09:22:27 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans Verkuil X-Patchwork-Id: 11238877 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2F9CE1747 for ; Tue, 12 Nov 2019 09:22:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 19D1921D7F for ; Tue, 12 Nov 2019 09:22:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727132AbfKLJWi (ORCPT ); Tue, 12 Nov 2019 04:22:38 -0500 Received: from lb2-smtp-cloud9.xs4all.net ([194.109.24.26]:60411 "EHLO lb2-smtp-cloud9.xs4all.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725835AbfKLJWi (ORCPT ); Tue, 12 Nov 2019 04:22:38 -0500 Received: from tschai.fritz.box ([46.9.232.237]) by smtp-cloud9.xs4all.net with ESMTPA id USNYib7EmQBsYUSNciAWtC; Tue, 12 Nov 2019 10:22:32 +0100 From: Hans Verkuil To: linux-media@vger.kernel.org Cc: Hans Verkuil , syzbot+6bf9606ee955b646c0e1@syzkaller.appspotmail.com, Sean Young Subject: [PATCH 4/5] dvb-usb/digitv: initialize key[] Date: Tue, 12 Nov 2019 10:22:27 +0100 Message-Id: <20191112092228.15800-5-hverkuil-cisco@xs4all.nl> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191112092228.15800-1-hverkuil-cisco@xs4all.nl> References: <20191112092228.15800-1-hverkuil-cisco@xs4all.nl> MIME-Version: 1.0 X-CMAE-Envelope: MS4wfIGRwVFPhhlSaPazOvOLyI7sT9uJvlk1BM1fdowXPTpGHmLm01J6oG8c0hexAllNJsMx4kL8Jvh4Pvs1dnzVxz3zkTJay7X6bX79ASPhmXsRbujGA7aK xfmY8jpDuOWsqUzp/kfuZcAFtHCDVE2SVldcLbXfE/v7DP3SfbHkDZlrsa2RssYzMT9p0gS1lBReT/NI0Nwof/vLMpCDcCrFPhWIUReby8+JWMRqUDGrM6Kc +HEbzYdQ2cTHg8XKVbonsYDb9B14DTd960/Dy7sjEtmx3KAkykF7K04jhjsg1HowsYkFnA4lV/r023k27Kl1lvLETVbohUZQkJWuSB8OV/g= Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org The key array was not initialized to 0, leading to a syzbot failure. Syzbot link: https://syzkaller.appspot.com/bug?extid=6bf9606ee955b646c0e1 Signed-off-by: Hans Verkuil Reported-by: syzbot+6bf9606ee955b646c0e1@syzkaller.appspotmail.com CC: Sean Young --- drivers/media/usb/dvb-usb/digitv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/usb/dvb-usb/digitv.c b/drivers/media/usb/dvb-usb/digitv.c index dd5bb230cec1..72b22409880a 100644 --- a/drivers/media/usb/dvb-usb/digitv.c +++ b/drivers/media/usb/dvb-usb/digitv.c @@ -231,7 +231,7 @@ static struct rc_map_table rc_map_digitv_table[] = { static int digitv_rc_query(struct dvb_usb_device *d, u32 *event, int *state) { int i; - u8 key[5]; + u8 key[5] = { 0 }; u8 b[4] = { 0 }; *event = 0;