From patchwork Wed Mar 24 23:06:54 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shuah Khan X-Patchwork-Id: 12162547 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=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,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 259BCC433DB for ; Wed, 24 Mar 2021 23:07:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D4B5A61A21 for ; Wed, 24 Mar 2021 23:07:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231784AbhCXXHA (ORCPT ); Wed, 24 Mar 2021 19:07:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49596 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238941AbhCXXG7 (ORCPT ); Wed, 24 Mar 2021 19:06:59 -0400 Received: from mail-io1-xd30.google.com (mail-io1-xd30.google.com [IPv6:2607:f8b0:4864:20::d30]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E38AAC061763 for ; Wed, 24 Mar 2021 16:06:58 -0700 (PDT) Received: by mail-io1-xd30.google.com with SMTP id j26so6173iog.13 for ; Wed, 24 Mar 2021 16:06:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=h4nsP5iuSvLRUSUoVyhkKNOJvSrZQbNgl007uSGB9Jk=; b=Nm1q6owNG5rx+/fwQyP3HWBenPMSaXplLjhEAlA3MxdK0J/q3Q5IKEUOeu9EbPftDx qwADRNgOrFS/7Jey+oH6I2UMDtxfytpDtXH/RepLF78ZfL378dyChrXQpViPlstLQFve ukdj4wEbMxN9my+RyGreh1NL6r2cuymInq9kU= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=h4nsP5iuSvLRUSUoVyhkKNOJvSrZQbNgl007uSGB9Jk=; b=bBEj9GnKbmKxmr1O3v2I+awDT7WCGR/d2b1yROIH1ChAVezzR0/J/OOznnClUOakFV eZNg8xgZkCfKtbJzJ6Jgdqsn0GjEEp++z7P6MEF/UySM6WkDT6Yk8UwA8RioQfVJnZwM ZmYKgffBKYCamW2nMvPX3JAT2Es5UCWkJ6PAUCiPhhotcPuoth5gRFNrZUyBTs4FP+8L H7WBxN/9BKqtkY+KCx10govxv9OdhGfcx37V8Im5GmNkll/jqW2dSkSxriPooE8WGoGa nkh4VSTR3aDP2+Y+5zbuX4OlRkGFvZZWG5ZORUP8EeFQSPJLSeMAH3bBo/MiGx7+28NH mafg== X-Gm-Message-State: AOAM5339FN1nczo9ewXe5SBbEU2MrR8ZLd6P62de8hr+uaih8rUkmE9i xPYmryiZfr31J2KeiccPLRnNvg== X-Google-Smtp-Source: ABdhPJyS+92HCc3ZBxTa2EOIEXTFs5p8NK2Hu4c2/ZOCCFrNy5I2JuIXSsPRUWGuP6UZtTqU2ZvIQg== X-Received: by 2002:a6b:650f:: with SMTP id z15mr4183159iob.128.1616627218256; Wed, 24 Mar 2021 16:06:58 -0700 (PDT) Received: from shuah-t480s.internal (c-24-9-64-241.hsd1.co.comcast.net. [24.9.64.241]) by smtp.gmail.com with ESMTPSA id t8sm1638249ioc.12.2021.03.24.16.06.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Mar 2021 16:06:57 -0700 (PDT) From: Shuah Khan To: valentina.manea.m@gmail.com, shuah@kernel.org, gregkh@linuxfoundation.org Cc: Shuah Khan , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, syzbot+3dea30b047f41084de66@syzkaller.appspotmail.com, stable@vger.kernel.org Subject: [PATCH] usbip: vhci_hcd fix shift out-of-bounds in vhci_hub_control() Date: Wed, 24 Mar 2021 17:06:54 -0600 Message-Id: <20210324230654.34798-1-skhan@linuxfoundation.org> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Fix shift out-of-bounds in vhci_hub_control() SetPortFeature handling. UBSAN: shift-out-of-bounds in drivers/usb/usbip/vhci_hcd.c:605:42 shift exponent 768 is too large for 32-bit type 'int' Reported-by: syzbot+3dea30b047f41084de66@syzkaller.appspotmail.com Cc: stable@vger.kernel.org Signed-off-by: Shuah Khan --- drivers/usb/usbip/vhci_hcd.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/usb/usbip/vhci_hcd.c b/drivers/usb/usbip/vhci_hcd.c index 3209b5ddd30c..a20a8380ca0c 100644 --- a/drivers/usb/usbip/vhci_hcd.c +++ b/drivers/usb/usbip/vhci_hcd.c @@ -594,6 +594,8 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, pr_err("invalid port number %d\n", wIndex); goto error; } + if (wValue >= 32) + goto error; if (hcd->speed == HCD_USB3) { if ((vhci_hcd->port_status[rhport] & USB_SS_PORT_STAT_POWER) != 0) {