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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 77C24C3A5A1 for ; Thu, 22 Aug 2019 17:47:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4027423400 for ; Thu, 22 Aug 2019 17:47:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1566496040; bh=8YuwYjJzQhn4cLB3olIy40BOVZ1hEpJxinnUGLJp2HQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=JWufNf81Rx0oAYFJeM0Ce7BnY4sZsQmaxFJvN14Fxwkz/0PzN4nShE9+Dv1WDQ0Hn 4SOYoXLUcJcT5ATr7+77Oyg8mQLGpnPDN3sdHfOyD9IWjLBi4zv7cf8bSduPJzOAkb Nrzzn9hMvd935C8LV4MK6yP8hDSe5yJfcmyuHIsQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2393180AbfHVRrS (ORCPT ); Thu, 22 Aug 2019 13:47:18 -0400 Received: from mail.kernel.org ([198.145.29.99]:41044 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2391398AbfHVRWh (ORCPT ); Thu, 22 Aug 2019 13:22:37 -0400 Received: from localhost (wsip-184-188-36-2.sd.sd.cox.net [184.188.36.2]) (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 29FA821743; Thu, 22 Aug 2019 17:22:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1566494556; bh=8YuwYjJzQhn4cLB3olIy40BOVZ1hEpJxinnUGLJp2HQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=C1E+AQJ0k2IyYr1tCs7wnqeH997bF5HjENWAgOPVB8KuDbJP6wkL+k/fzeiIAjW8o 2H5ri93DWiAIN2KjfeQ/ztnXOokHEFrO+KmaGmnWpvqcKeRoidXMlPPZBfu3Y1w9+4 diohf2HjbeB9Pgd4cXGczblwIpegFImpWQcppmjw= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, syzbot+5efc10c005014d061a74@syzkaller.appspotmail.com, Oliver Neukum , Dmitry Torokhov Subject: [PATCH 4.4 42/78] Input: iforce - add sanity checks Date: Thu, 22 Aug 2019 10:18:46 -0700 Message-Id: <20190822171833.259340360@linuxfoundation.org> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20190822171832.012773482@linuxfoundation.org> References: <20190822171832.012773482@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Oliver Neukum commit 849f5ae3a513c550cad741c68dd3d7eb2bcc2a2c upstream. The endpoint type should also be checked before a device is accepted. Reported-by: syzbot+5efc10c005014d061a74@syzkaller.appspotmail.com Signed-off-by: Oliver Neukum Signed-off-by: Dmitry Torokhov Signed-off-by: Greg Kroah-Hartman --- drivers/input/joystick/iforce/iforce-usb.c | 5 +++++ 1 file changed, 5 insertions(+) --- a/drivers/input/joystick/iforce/iforce-usb.c +++ b/drivers/input/joystick/iforce/iforce-usb.c @@ -145,7 +145,12 @@ static int iforce_usb_probe(struct usb_i return -ENODEV; epirq = &interface->endpoint[0].desc; + if (!usb_endpoint_is_int_in(epirq)) + return -ENODEV; + epout = &interface->endpoint[1].desc; + if (!usb_endpoint_is_int_out(epout)) + return -ENODEV; if (!(iforce = kzalloc(sizeof(struct iforce) + 32, GFP_KERNEL))) goto fail;