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=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 BF035C433FF for ; Fri, 9 Aug 2019 17:53:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 989E32086D for ; Fri, 9 Aug 2019 17:53:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2436837AbfHIRxB (ORCPT ); Fri, 9 Aug 2019 13:53:01 -0400 Received: from mail-ot1-f70.google.com ([209.85.210.70]:40390 "EHLO mail-ot1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726628AbfHIRxB (ORCPT ); Fri, 9 Aug 2019 13:53:01 -0400 Received: by mail-ot1-f70.google.com with SMTP id o21so2388356otj.7 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=PXWLldl6pRrlf7a5x+CKF04RP8Jn8wv+ekg04GyDbP532kcxXWaJBKYyfuI5Gkv+OV jbRYsvG4DGcBdhCMPZBeowG9VcsH8I4WQAg6n0s9/xePwR1+3szrZDL4rq/I9cdevFub ftsOQaoTP01+3Zjk8YoTozKuNzz/2FM0kIJWHmPI/Ydm4KAwj6U6CBbqGzHcGC7B2D6s DbiqudFn2K4p14EDpmM9xYheuICWMk2i5jgKPKCel5f9FJjfLMomd5H2E2L6qy4K1/5m EhLo7O+x3PT9fDmKWku5faE6hJ4frImDkgcgrjsJS2MsfgVDID3oHokpvA+CWOSUyGQM QMhQ== X-Gm-Message-State: APjAAAUjFu0oiRHk1J/WNxQm/2DgZ1CB47AfEpjaUPdKlUGpyA+1s2Ws Acr5KaUXY92+yZtvjZkm1kh/JYgL+8zEoDBPYdNJ7yZsbK/+ 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-kernel-owner@vger.kernel.org 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 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.