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=-5.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 D03F7C31E40 for ; Fri, 9 Aug 2019 17:53:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B50892086D for ; Fri, 9 Aug 2019 17:53:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2436769AbfHIRxB (ORCPT ); Fri, 9 Aug 2019 13:53:01 -0400 Received: from mail-ot1-f70.google.com ([209.85.210.70]:48149 "EHLO mail-ot1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726216AbfHIRxB (ORCPT ); Fri, 9 Aug 2019 13:53:01 -0400 Received: by mail-ot1-f70.google.com with SMTP id b4so70306891otf.15 for ; Fri, 09 Aug 2019 10:53:00 -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=zfLUeixZ0xxyCbY54z0hYvSD6TcuS24V1c/+Vq6E3hY=; b=FWWpMahnQIFsIWxjY5nt/eJ/CGDCx4oemjg69AEzd6vOWG/EhBmiqjkzehve0qhut+ dgcJyBuY5d1FIGH19jdIILVGQTuJq50dov/l5V+m0S93K1qzEzPnyXwyT3dRnQqwsH82 CYN65EoaPVDtvg6P1L9U5cdPmE6Ha+p6GEoW2agl5r9ldHqNtfO7/hHa/1Y1tXVKnpNw NYIBLjDAo+B5F7mwcdTAr93i4LnEzxWEC1Hl3kBlvTMycU7YZmxKCuHE9i71Xb5xcZmG pTBhsWuF1V9VRWyNZGngR2rHhFMr6ppWdaxGM9qe2mNlfQMpZ3O17gTcYrsQCFwT6Sr1 1WQQ== X-Gm-Message-State: APjAAAV4LcCyjVyCevdAGnsoIEDQp8+OVEyxyoBL9EPHATSC5JeDBPuf cgcRZK7PGy0MZMgxOZvXae6YGon5HyS/2R1digooKftREDSV X-Google-Smtp-Source: APXvYqw/TXi1UjpCaVvf4WkbF4/wpHhbA67XNDTIgl03f49zVXIXcyl57HB5i3MLccYNJEphSG1rojmsMvnLyphLutfMcDYqwKX2 MIME-Version: 1.0 X-Received: by 2002:a02:1087:: with SMTP id 129mr24265518jay.131.1565373180454; Fri, 09 Aug 2019 10:53:00 -0700 (PDT) Date: Fri, 09 Aug 2019 10:53:00 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000005cb00c058fb2d840@google.com> Subject: Re: KASAN: use-after-free Read in ld_usb_release From: syzbot To: andreyknvl@google.com, bhelgaas@google.com, greg@kroah.com, kirr@nexedi.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux@roeck-us.net, lkundrak@v3.sk, logang@deltatee.com, stern@rowland.harvard.edu, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Hello, syzbot has tested the proposed patch and the reproducer did not trigger crash: Reported-and-tested-by: syzbot+30cf45ebfe0b0c4847a1@syzkaller.appspotmail.com Tested on: commit: e96407b4 usb-fuzzer: main usb gadget fuzzer driver git tree: https://github.com/google/kasan.git kernel config: https://syzkaller.appspot.com/x/.config?x=cfa2c18fb6a8068e compiler: gcc (GCC) 9.0.0 20181231 (experimental) patch: https://syzkaller.appspot.com/x/patch.diff?x=15b4c802600000 Note: testing is done by a robot and is best-effort only.