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 C9691C433E0 for ; Fri, 22 May 2020 23:18:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B11C320757 for ; Fri, 22 May 2020 23:18:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731327AbgEVXSH (ORCPT ); Fri, 22 May 2020 19:18:07 -0400 Received: from mail-io1-f69.google.com ([209.85.166.69]:44131 "EHLO mail-io1-f69.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731243AbgEVXSF (ORCPT ); Fri, 22 May 2020 19:18:05 -0400 Received: by mail-io1-f69.google.com with SMTP id a2so3603699iok.11 for ; Fri, 22 May 2020 16:18:04 -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=hY+OQTAuY6M9q+ZlmlR3e05EdcbrRXkCCbneZ37ciSs=; b=CcNTQyLpM/1jwuf8twiDLD5fmiHZCSXrXxILa7D7CBj515LxYlHh8NSDDgg0YiCaLH U7i5LB+I42xl5/mDdeIu4Puz+riuUpPbcvAUmvE/LmFmuStscApVxLFzezhKxxbwAcDM lhXSC0eUM436mQfC5e+iud7FqOfNk+fvj5aWFT8IVD5WfGHI0m7oYAsuAL4r5aRl7x3w cLl/pvQ2SDGfRenLttg7JgXztmW1T+jQ+RdHbb5NqilmYh65ja0gAZp19YOemY8tu+rD fv9SzHCzQB3a8oR/q1+nPESo2ImQVmNbdNK3KGdEcXrFFEAi4hPGbp4A1O3v2ES8/el7 2qhQ== X-Gm-Message-State: AOAM530s2h+vBhA4QTJyuvOYbp6zjPTqa9NpvVAGUk/jP8Z61ECZvjLX oxDZx+90Cvi7ZbGlOAsSFVS0PJo2R0MCfJ88xIrLQjG/KaqU X-Google-Smtp-Source: ABdhPJwgYqS05aE4+oBbSGGIRzX2fn9OewAC8LgxkJqcCKZPII9tPeLQBXsUSEDvz5Roj7zFdf6zjg2Dj5BNDCyhUjhu5gkgsAJs MIME-Version: 1.0 X-Received: by 2002:a05:6e02:68d:: with SMTP id o13mr15946835ils.230.1590189483733; Fri, 22 May 2020 16:18:03 -0700 (PDT) Date: Fri, 22 May 2020 16:18:03 -0700 In-Reply-To: <000000000000fc0c1c05a0ffc2b8@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000004db88405a644d75e@google.com> Subject: Re: KASAN: slab-out-of-bounds Read in dlfb_usb_probe From: syzbot To: andreyknvl@google.com, balbi@kernel.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, rafael@kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org syzbot has bisected this bug to: commit f2c2e717642c66f7fe7e5dd69b2e8ff5849f4d10 Author: Andrey Konovalov Date: Mon Feb 24 16:13:03 2020 +0000 usb: gadget: add raw-gadget interface bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10510cba100000 start commit: 051143e1 Merge tag 'apparmor-pr-2020-05-21' of git://git.k.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=12510cba100000 console output: https://syzkaller.appspot.com/x/log.txt?x=14510cba100000 kernel config: https://syzkaller.appspot.com/x/.config?x=b3368ce0cc5f5ace dashboard link: https://syzkaller.appspot.com/bug?extid=ed94135f896a14d75284 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=103d795e100000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=143d795e100000 Reported-by: syzbot+ed94135f896a14d75284@syzkaller.appspotmail.com Fixes: f2c2e717642c ("usb: gadget: add raw-gadget interface") For information about bisection process see: https://goo.gl/tpsmEJ#bisection