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 D61DAC32751 for ; Wed, 7 Aug 2019 14:13:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B85D721E71 for ; Wed, 7 Aug 2019 14:13:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729745AbfHGONB (ORCPT ); Wed, 7 Aug 2019 10:13:01 -0400 Received: from mail-ot1-f69.google.com ([209.85.210.69]:34208 "EHLO mail-ot1-f69.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729238AbfHGONB (ORCPT ); Wed, 7 Aug 2019 10:13:01 -0400 Received: by mail-ot1-f69.google.com with SMTP id 20so11533210oty.1 for ; Wed, 07 Aug 2019 07:13:00 -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=+rvcyyJPT124CBjh50veSjwzTuKPjdB1gn6DdCRD4GQ=; b=UUQqkIck1/W485WYsTZgpcRhItzvrOi0tDo8E6R1iLDEWxYgY2RBkqrwCKnNY0DqLN 01PLyBAzP69M2rz118sdWvkuulPFqnq4PxKIQ3DOwDl3PpLWCRcMllMmvON5ceFPS/wK Den7Mjz/a26xr1w4nAvWxQpdZ4w3dusySV5t4V/jmBTlQRRcB5AcZ5LTjQ1eKbNt8+Fa 693tiASHwSUS7+G0nC56D0gGRN/lUFFxy7SHPDxHxTuiq4l8HTWQ9IvfQVtXQrwDp2Rp B07SaQRQOv3fPBCswdvMfggs0yNuSdihCIEWILQsoeXQBBEzOYxmnPy8ha2Ua5TjFeEH 98gg== X-Gm-Message-State: APjAAAUFRKKzOuIg5Uh3vNADKWdjSDzLYkvY49Cqi64RftuU1TyjKl9V KqxF9J7GuwJmbryMzIAFMl+ZUDdaqyGSxqi+pu0WHouZ699l X-Google-Smtp-Source: APXvYqydE+glsz2eL+FR6jE4ph1gTugBhAbEDDTDWgMZ8T6Wk5OyXx0b7GUWhjNN5KDpAYSMImNZ4sWO1khxy6jFYxnVm6NB2sNM MIME-Version: 1.0 X-Received: by 2002:a6b:621a:: with SMTP id f26mr8317090iog.127.1565187180660; Wed, 07 Aug 2019 07:13:00 -0700 (PDT) Date: Wed, 07 Aug 2019 07:13:00 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000e90d40058f8789e1@google.com> Subject: Re: KASAN: use-after-free Read in device_release_driver_internal From: syzbot To: andreyknvl@google.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, oneukum@suse.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+1b2449b7b5dc240d107a@syzkaller.appspotmail.com Tested on: commit: 6a3599ce usb-fuzzer: main usb gadget fuzzer driver git tree: https://github.com/google/kasan.git kernel config: https://syzkaller.appspot.com/x/.config?x=700ca426ab83faae compiler: gcc (GCC) 9.0.0 20181231 (experimental) patch: https://syzkaller.appspot.com/x/patch.diff?x=1245683c600000 Note: testing is done by a robot and is best-effort only.