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[2620:137:e000::1:20]) by mx.google.com with ESMTP id d187-20020a6368c4000000b003db4cb6a71dsi13975825pgc.0.2022.05.29.11.52.08; Sun, 29 May 2022 11:52:18 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229741AbiE2PTN (ORCPT + 99 others); Sun, 29 May 2022 11:19:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58506 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230522AbiE2PTM (ORCPT ); Sun, 29 May 2022 11:19:12 -0400 Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4223937A05 for ; Sun, 29 May 2022 08:19:11 -0700 (PDT) Received: by mail-il1-f200.google.com with SMTP id j5-20020a922005000000b002d1c2659644so6682321ile.8 for ; Sun, 29 May 2022 08:19:11 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=SZmS5uKU15BCKA3xunshV88b8on4gSZULFNjwvNdemI=; b=cEStK62L2FUNKzU8uI7RmsCK88D+dlsJ7r513N2gnPkQK/+Joo5wIorXhRaHAx8Oh1 o/LVtcN/Q71RIUD47SP4+2KH4cVW50xIedweI7m5ZMP5nZGm1SWruKe1hsPKgoqLe8ct sSgGxpApAwBeu1hbrX2bWV3PqzrqHn4T7DHWgeO7SzG4qrbAObTt/z6xGNVLvZIDPFZD 4Q6QPVxmlH+T2WuG6WV+QULoF7IJ1MQpDiG2sfGs52sOE9CWE+aui1Epb1C7TUcgoA5/ g8CjVaepiIFGHlw79Kz2LOO2ncLYUYtDIG8dod51veicQV62xytghNfnHVbiS+mTuwv9 KpMA== X-Gm-Message-State: AOAM5332ixFqGzgf3xIjn8QLrO/f4X1xRTiHJZTaHCoYZZqF1NvRKyLX x9bXTH/bpGR43RQ1lg52eu7T9jBpcWjVTc4sG7YfuugZtsE/ MIME-Version: 1.0 X-Received: by 2002:a05:6638:24cf:b0:32e:d03e:3185 with SMTP id y15-20020a05663824cf00b0032ed03e3185mr17548073jat.99.1653837549180; Sun, 29 May 2022 08:19:09 -0700 (PDT) Date: Sun, 29 May 2022 08:19:09 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000a29e3905e0280faa@google.com> Subject: Re: [syzbot] KASAN: use-after-free Read in driver_register From: syzbot To: Julia.Lawall@inria.fr, andreyknvl@gmail.com, balbi@kernel.org, gregkh@linuxfoundation.org, jannh@google.com, jj251510319013@gmail.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, rafael@kernel.org, sashal@kernel.org, schspa@gmail.com, stable@vger.kernel.org, stern@rowland.harvard.edu, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2, SORTED_RECIPS,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net 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+dc7c3ca638e773db07f6@syzkaller.appspotmail.com Tested on: commit: 97fa5887 USB: new quirk for Dell Gen 2 devices git tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git kernel config: https://syzkaller.appspot.com/x/.config?x=5a0efc262ca60947 dashboard link: https://syzkaller.appspot.com/bug?extid=dc7c3ca638e773db07f6 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 patch: https://syzkaller.appspot.com/x/patch.diff?x=1224de7bf00000 Note: testing is done by a robot and is best-effort only.