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=-13.4 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,USER_IN_DEF_DKIM_WL 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 5C69BC43331 for ; Thu, 2 Apr 2020 15:57:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2D85320BED for ; Thu, 2 Apr 2020 15:57:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="t/FWoThd" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389696AbgDBP5N (ORCPT ); Thu, 2 Apr 2020 11:57:13 -0400 Received: from mail-pf1-f194.google.com ([209.85.210.194]:39355 "EHLO mail-pf1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389294AbgDBP5N (ORCPT ); Thu, 2 Apr 2020 11:57:13 -0400 Received: by mail-pf1-f194.google.com with SMTP id k15so1945574pfh.6 for ; Thu, 02 Apr 2020 08:57:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=+f7ztlhRO8KaQ2k4S8l5uJ9SeBU7fnG5Wf7hP3kHn5I=; b=t/FWoThdyFUJcn5JyvLffbYUxmclqELwOEsrwOd2uo7tYHH4mWliWdd529c/gCoqTl DasIyU8bEjLQVPkGwY/CfG5j1lNOaqqPfnvDh8lf8KXX3uWf2SUGFx0Uesy5lZGlwhNv JUm9o7hlcqm5Kxd8tQxwAxgT9xv1FN1J1SPskxdeUnxLsReMUoXXbg2tggHm3Sw1CzfM ZubsHrvBIe3AR54sJqMwg8q/zDViiTW/3ftJGMZ6sbYsAgfSkPnucgkD0q0fKGJuTPhu BFoNFt2MqauRK8lW0MK+FI2yBcCHPbHaH0DK0geP/L7zSjYAWmLxuVHiclbaBkH/HRB/ vphA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=+f7ztlhRO8KaQ2k4S8l5uJ9SeBU7fnG5Wf7hP3kHn5I=; b=HDK8SeQ7kPxm1DEav3X2v65ZbIR5WEXeN7qccB2HxJi3yx7GRdN5xraX38XvysD1bg dVuhToHO03CMQpMUq+1liH42Hil5wNQZS7LbnIqXbXpUTyVr5cezn3cQHayaZnoatcTh AqOy/C2aMhYUdjhIGRy5sa6v+IhGznIGfGgMeT9R0IF+55ST6wvNvs9pJroxhRwF5k8u wPtweMr2gr31q/ZYwralrQeJK2+Omfh3HgKuq3F7e4yTphXBn8pl2D9cvisnKwPt5OeP GQc5DFHxuYdkZ3ds7EPpy2eYTt0BH2mrmyvp71npb/S7m2GhVIPlam2eeCEMl6F6f0QQ 9tcQ== X-Gm-Message-State: AGi0PuYX7Gop7d0A1oKH8fji4mD3dYeK9IaC461h53sYOY2iMScc9IgS 0lxxYQBaqPJCs0+acuESQULvNSAGllLEmg1iq7vNhA== X-Google-Smtp-Source: APiQypIhP5QcwIz3sGFRAXhXluVx9mRCbbCvr8u6mvQedlVnjNdfX1RFcNXG1rVCWGnm8fwdhv0VxysfCl6L7qILleI= X-Received: by 2002:a63:f411:: with SMTP id g17mr3872394pgi.440.1585843031627; Thu, 02 Apr 2020 08:57:11 -0700 (PDT) MIME-Version: 1.0 References: <000000000000c3793205a250cb6a@google.com> In-Reply-To: <000000000000c3793205a250cb6a@google.com> From: Andrey Konovalov Date: Thu, 2 Apr 2020 17:57:00 +0200 Message-ID: Subject: Re: WARNING in usbhid_raw_request/usb_submit_urb (3) To: syzbot Cc: Greg Kroah-Hartman , ingrassia@epigenesys.com, LKML , USB list , Alan Stern , syzkaller-bugs Content-Type: multipart/mixed; boundary="00000000000092a98705a250dae5" Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org --00000000000092a98705a250dae5 Content-Type: text/plain; charset="UTF-8" On Thu, Apr 2, 2020 at 5:53 PM syzbot wrote: > > Hello, > > syzbot has tested the proposed patch and the reproducer did not trigger crash: > > Reported-and-tested-by: syzbot+db339689b2101f6f6071@syzkaller.appspotmail.com > > Tested on: > > commit: 0fa84af8 Merge tag 'usb-serial-5.7-rc1' of https://git.ker.. > git tree: https://github.com/google/kasan.git > kernel config: https://syzkaller.appspot.com/x/.config?x=6b9c154b0c23aecf > dashboard link: https://syzkaller.appspot.com/bug?extid=db339689b2101f6f6071 > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > patch: https://syzkaller.appspot.com/x/patch.diff?x=143c2c63e00000 > > Note: testing is done by a robot and is best-effort only. Let's try this once again, maybe the reproducer is extremely unreliable. #syz test: https://github.com/google/kasan.git 0fa84af8 --00000000000092a98705a250dae5 Content-Type: text/x-patch; charset="US-ASCII"; name="usb.patch" Content-Disposition: attachment; filename="usb.patch" Content-Transfer-Encoding: base64 Content-ID: X-Attachment-Id: f_k8ixzckk0 SW5kZXg6IHVzYi1kZXZlbC9kcml2ZXJzL3VzYi9jb3JlL3VyYi5jCj09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT0KLS0tIHVz Yi1kZXZlbC5vcmlnL2RyaXZlcnMvdXNiL2NvcmUvdXJiLmMKKysrIHVzYi1kZXZlbC9kcml2ZXJz L3VzYi9jb3JlL3VyYi5jCkBAIC00NzUsOCArNDc1LDkgQEAgaW50IHVzYl9zdWJtaXRfdXJiKHN0 cnVjdCB1cmIgKnVyYiwgZ2ZwXwogCiAJLyogQ2hlY2sgdGhhdCB0aGUgcGlwZSdzIHR5cGUgbWF0 Y2hlcyB0aGUgZW5kcG9pbnQncyB0eXBlICovCiAJaWYgKHVzYl91cmJfZXBfdHlwZV9jaGVjayh1 cmIpKQotCQlkZXZfV0FSTigmZGV2LT5kZXYsICJCT0dVUyB1cmIgeGZlciwgcGlwZSAleCAhPSB0 eXBlICV4XG4iLAotCQkJdXNiX3BpcGV0eXBlKHVyYi0+cGlwZSksIHBpcGV0eXBlc1t4ZmVydHlw ZV0pOworCQlkZXZfV0FSTigmZGV2LT5kZXYsICJCT0dVUyB1cmIgeGZlciwgcGlwZSAleCAhPSB0 eXBlICV4LCBlcCBhZGRyIDB4JTAyeCwgcGlwZSAweCV4LCB4ZmVydHlwZSAlZFxuIiwKKwkJCXVz Yl9waXBldHlwZSh1cmItPnBpcGUpLCBwaXBldHlwZXNbeGZlcnR5cGVdLAorCQkJZXAtPmRlc2Mu YkVuZHBvaW50QWRkcmVzcywgdXJiLT5waXBlLCB4ZmVydHlwZSk7CiAKIAkvKiBDaGVjayBhZ2Fp bnN0IGEgc2ltcGxlL3N0YW5kYXJkIHBvbGljeSAqLwogCWFsbG93ZWQgPSAoVVJCX05PX1RSQU5T RkVSX0RNQV9NQVAgfCBVUkJfTk9fSU5URVJSVVBUIHwgVVJCX0RJUl9NQVNLIHwK --00000000000092a98705a250dae5--