Received: by 2002:a05:6a10:f347:0:0:0:0 with SMTP id d7csp9937899pxu; Tue, 29 Dec 2020 09:02:56 -0800 (PST) X-Google-Smtp-Source: ABdhPJw1/3AgzRRy/b8pGaAWSjfd8bZzB35Nz+z8gubGox8Xrr44Uw4gIM7WWpK2yNYk1jXtJOw/ X-Received: by 2002:aa7:dc4b:: with SMTP id g11mr48084153edu.379.1609261376369; Tue, 29 Dec 2020 09:02:56 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1609261376; cv=none; d=google.com; s=arc-20160816; b=uSW1v0fWx7SfunYi7zz2fLFItBPpKP5w6plnG28uadJSavhMKBW7Xn0LPukDTHSQRe 6BV3paW3noBbGAzt+hKDum98JjoEWN/lZ5rfjclvpBcfxm7ospehdxYTeYSO0APQQr10 UjhJ6v0pqKOZiF7zurbJM8WApwDiL8a5h6DNwWxEnt7634adbE6oubapR4+tfHLbq1C6 4HoU0rJ7r51Tp33AzDOi5NzJTCZ+lMXSwH5k7iq2uxV4M3cLLqcqITGmEiIwkMTE00HS vFXPeFD0xqfZrrbU8KFk44jl7iUYwh4l10gDi9OUpUX4yfPiKl7UlltrhH7G2YyE7Saz CgMQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:to:from:subject:message-id:in-reply-to:date :mime-version; bh=gwu8pvrcZ4jMJ2+bY0U4Ug2vWoWnObRnoe2v75tlHHI=; b=YM9KCSDcfvto+kfYdA3ef2XV6LJfS5ISDJ/XPJrPwEyhpJXlNAjjKDoHXHMhZn0jae 2n5v4mr7QM8cGKn8nPUPhQ7JdmQ+gbvaKC/fj3Rvosk15LwXKhSTzsKyLr8pUpQ4H9k3 XIn6YeWMLVW6/3hbCv9Xje+jrM9qUGd+eEp0mghECbwN6SnK3lkNl/qDXl7bDZKQyQvq QDn/LEeDFzdhOaL//4P1HZcjDaLWZFiBjnJe4HGiAdIJAp8v3zyb8tPhaP/OqEK+r0XQ t9tdJl5z+kSsJFpBs58JNSHkty5ly5jZtkDaqUbsIY78O1+IxyiO4B2ecCPiNuRkJybS DfEQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id a29si23530732edm.401.2020.12.29.09.02.33; Tue, 29 Dec 2020 09:02:56 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726230AbgL2RAs (ORCPT + 99 others); Tue, 29 Dec 2020 12:00:48 -0500 Received: from mail-io1-f72.google.com ([209.85.166.72]:55502 "EHLO mail-io1-f72.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726111AbgL2RAs (ORCPT ); Tue, 29 Dec 2020 12:00:48 -0500 Received: by mail-io1-f72.google.com with SMTP id j25so5974336iog.22 for ; Tue, 29 Dec 2020 09:00:32 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=gwu8pvrcZ4jMJ2+bY0U4Ug2vWoWnObRnoe2v75tlHHI=; b=Vdxd4nqFuVFufmDH0XrjMZHrcTTS8TucwYdBp9diQgW7GopOY0HIGkHdWib1lwje2h GywGXmKM9wHnYwXjliqoTX8lQNdckNYfu/C3X7WdoP4DhKPnO+FXA/3zzKoIgW7F1QhU nsP/Cg4A3sHsD19rI6ogtNTgpLQVpFmzMkY0HA8L9fom+9zs2BToQHNoUGpwQhLxJe// 8IioQVNnYdv1gbRyi3luiMphRzQeSm4/2/NDe2v3CkjNR9BTO2fCnVAHLhFVZTwsCu7Q /lL8Cg4dmuva3zSQCCFcwY5vtRGbHcrQp25f7cXe/yS8Dg7JrUirlWtmyMyHD+X5dUyO 7YXQ== X-Gm-Message-State: AOAM533aPBY4wIznW6biE3scoI95IdH+2k0Z1HYBfxaVpDSMLtZT3xkN VY/6R0JBxbZcHybZmECcacCohlW8e6SnoJiE2FUTx1SVhOVP MIME-Version: 1.0 X-Received: by 2002:a05:6e02:152f:: with SMTP id i15mr47744669ilu.104.1609261207467; Tue, 29 Dec 2020 09:00:07 -0800 (PST) Date: Tue, 29 Dec 2020 09:00:07 -0800 In-Reply-To: <20201229164314.GB694118@rowland.harvard.edu> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000009f3cf405b79d5267@google.com> Subject: Re: UBSAN: shift-out-of-bounds in dummy_hub_control From: syzbot To: andreyknvl@gmail.com, andreyknvl@google.com, balbi@kernel.org, gregkh@linuxfoundation.org, gustavoars@kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+5925509f78293baa7331@syzkaller.appspotmail.com Tested on: commit: e37b12e4 Merge tag 'for-linus-5.11-ofs1' of git://git.kern.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git kernel config: https://syzkaller.appspot.com/x/.config?x=98408202fed1f636 dashboard link: https://syzkaller.appspot.com/bug?extid=5925509f78293baa7331 compiler: gcc (GCC) 10.1.0-syz 20200507 patch: https://syzkaller.appspot.com/x/patch.diff?x=16f0bc70d00000 Note: testing is done by a robot and is best-effort only.