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=-8.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 56B6EC12002 for ; Wed, 21 Jul 2021 17:12:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3B72161245 for ; Wed, 21 Jul 2021 17:12:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232488AbhGUQbe (ORCPT ); Wed, 21 Jul 2021 12:31:34 -0400 Received: from mail-io1-f70.google.com ([209.85.166.70]:38523 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229459AbhGUQbd (ORCPT ); Wed, 21 Jul 2021 12:31:33 -0400 Received: by mail-io1-f70.google.com with SMTP id s203-20020a6b2cd40000b0290528db19d5b3so2043340ios.5 for ; Wed, 21 Jul 2021 10:12:09 -0700 (PDT) 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=Y6Y4vaAAE0NKEq1EsKmEUMtdOo6howUC6ShUJPK7rvY=; b=gEPZx3wgyVJtWZicnNCGxR0ztn7ngEtpa6m6bqzVui1VMA/KY+71CbPtIiyWddIL5y m6iQUV1NvDlLLdsORSy1NF063tPUeb9mmcsHljqSpEyLLPj37nnpcNzUJ+9qcL/IvYbN Zm49jYdGbDQedc5iZ+9BmX5QXc6Izp50a+gm8csnsiF7kadTZ/y6ynJb4Pr7MdBp4tII gdInJg99Yshy3lSpvMbc+H7YH9SYeMrK1Ve7vbxE+jiUrnXsAKiXf5oVPZgODgr5lgPk gfHPX3EUl76lFlr0ZcYOoEeNWvtWvF24P6i/4Wi7FSfo7jukmPY0pkgVM8lTuagywDWO WlbQ== X-Gm-Message-State: AOAM5331sGcGReBetTgDXkmA7bTvZUKNhrOnhTDaVZ0IH+VcjHklp+F9 13v4j/AnakftZCIn3mdHxpiS/Exd/FZxTy2KsHeEqAvP2XFh X-Google-Smtp-Source: ABdhPJwOcoCWNrFNs7X5bO4INkmOxb/0VbZ+2JV+gC5QQQzrnTq80EKiEfN0a6IyAyRs0n40t/rA5mYatxazN77t71VCI4vUJf0b MIME-Version: 1.0 X-Received: by 2002:a05:6638:538:: with SMTP id j24mr22358891jar.59.1626887529635; Wed, 21 Jul 2021 10:12:09 -0700 (PDT) Date: Wed, 21 Jul 2021 10:12:09 -0700 In-Reply-To: <20210721130143.396c1626@gmail.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000004b212a05c7a545a7@google.com> Subject: Re: [syzbot] KASAN: use-after-free Read in r871xu_dev_remove From: syzbot To: Larry.Finger@lwfinger.net, florian.c.schilhabel@googlemail.com, gregkh@linuxfoundation.org, hridayhegde1999@gmail.com, linux-kernel@vger.kernel.org, linux-staging@lists.linux.dev, paskripkin@gmail.com, rkovhaev@gmail.com, straube.linux@gmail.com, 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+5872a520e0ce0a7c7230@syzkaller.appspotmail.com Tested on: commit: 8cae8cd8 seq_file: disallow extremely large seq buffer.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=f7dfeb6dfc05ea19 dashboard link: https://syzkaller.appspot.com/bug?extid=5872a520e0ce0a7c7230 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.1 patch: https://syzkaller.appspot.com/x/patch.diff?x=11291aa2300000 Note: testing is done by a robot and is best-effort only.