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=-18.7 required=3.0 tests=BAYES_00,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 7EC44C07E99 for ; Mon, 5 Jul 2021 11:47:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 62B8361946 for ; Mon, 5 Jul 2021 11:47:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231263AbhGELuV (ORCPT ); Mon, 5 Jul 2021 07:50:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45026 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230367AbhGELuU (ORCPT ); Mon, 5 Jul 2021 07:50:20 -0400 Received: from mail-qt1-x835.google.com (mail-qt1-x835.google.com [IPv6:2607:f8b0:4864:20::835]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CADB0C061574 for ; Mon, 5 Jul 2021 04:47:43 -0700 (PDT) Received: by mail-qt1-x835.google.com with SMTP id f20so12046346qtk.10 for ; Mon, 05 Jul 2021 04:47:43 -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=2anXc9o1J5CUj8jZ7vD+flFV6tAYlW07LvmjqUmo+tI=; b=oxBNCd9Z7tczjNhggQLh1dJeHudhfX2gRTQ8wDfrhGLFD0rWLTz17tCZHuyEXiaOKY mV/71KSXIKh0Ix007SELqjmbtfIE6GumGUOFFS4rITFAx2a1l+2afvUiK0mK10flTjla tHvrupXy90S/hoD/eaatukQegq06J0gcsEaLn+C6PcI6qW4gebM13Z5b3zsX8HWZSr+y Fem1uNfSMB/ftuT3uGabU+vw2I+jE2to+2tVq6REqGfzUCaFJjut7w2pMLGGYES7ElP9 XXRfg2PwFy2BOFmkKYjb394ND5hZV70MiX+bPzydnDGQ3s9pSxczREa4AA0tXwgHY8kx KxUw== 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=2anXc9o1J5CUj8jZ7vD+flFV6tAYlW07LvmjqUmo+tI=; b=R9/8lG2zjg4bSGd+ziiRdEdSefB8jcSrtp5UNA/BJBaAKpDZh9womEIYVBKGfLJWxn 73zu7/t3Kn5swG7gNdg7+bEqdJP5cpT9M5HWRO9Dpi3KMXNdXWeAOadYItV7DgpJzONf BrXxf8r8O/iKNHfksGJkWVE4D04fQJCcO1djewiFTHMWSPxeDLGVRbKSdC6gMPQOGVfF z5jJ0JIQRGXakUkLoKX8iQcVJ5ZQifZ6ZL4mffZQQfHOPlXRsDI40qhrCaPTv2KLffYE +J8cFkR2i2ACZ5Z3H1hsnx05CSck2FDDanvXULu6bxbZWYz5N3qzqKYO+8Iadx8h8epu wBiA== X-Gm-Message-State: AOAM5304ctFX9uU0AUJvcqRY6qKuk7lLZOiyKa6vckTB2GfuKfXCi4ot VymhPZNywnINN5OCK8TbfiNL4nPnhFV+d3MGXTCP+A== X-Google-Smtp-Source: ABdhPJyHoyhfKlNbJ2OsQycTXwCVU8GNncHeEg3OytdDPbIjB4lfgNxZkC9kiRwZKQa/qKaVC/xOeHXux5M2duVYUe4= X-Received: by 2002:ac8:60ca:: with SMTP id i10mr9991952qtm.43.1625485662468; Mon, 05 Jul 2021 04:47:42 -0700 (PDT) MIME-Version: 1.0 References: <000000000000bfb6cf05c631db0b@google.com> <20210703101243.45cbf143@gmail.com> <20210705143652.56b3d68b@gmail.com> In-Reply-To: <20210705143652.56b3d68b@gmail.com> From: Dmitry Vyukov Date: Mon, 5 Jul 2021 13:47:30 +0200 Message-ID: Subject: Re: [syzbot] memory leak in kvm_dev_ioctl To: Pavel Skripkin Cc: syzbot , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, pbonzini@redhat.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jul 5, 2021 at 1:36 PM Pavel Skripkin wrote: > > On Mon, 5 Jul 2021 07:54:59 +0200 > Dmitry Vyukov wrote: > > > On Sat, Jul 3, 2021 at 9:12 AM Pavel Skripkin > > wrote: > > > > > > On Fri, 02 Jul 2021 23:05:26 -0700 > > > syzbot > > > wrote: > > > > > > > Hello, > > > > > > > > syzbot found the following issue on: > > > > > > > > HEAD commit: e058a84b Merge tag 'drm-next-2021-07-01' of > > > > git://anongit... git tree: upstream > > > > console output: > > > > https://syzkaller.appspot.com/x/log.txt?x=171fbbdc300000 kernel > > > > config: > > > > https://syzkaller.appspot.com/x/.config?x=8c46abb9076f44dc > > > > dashboard link: > > > > https://syzkaller.appspot.com/bug?extid=c87d2efb740931ec76c7 syz > > > > repro: https://syzkaller.appspot.com/x/repro.syz?x=119d1efc300000 > > > > C reproducer: > > > > https://syzkaller.appspot.com/x/repro.c?x=16c58c28300000 > > > > > > > > IMPORTANT: if you fix the issue, please add the following tag to > > > > the commit: Reported-by: > > > > syzbot+c87d2efb740931ec76c7@syzkaller.appspotmail.com > > > > > > > > > > Corresponding fix was sent about 2 days ago > > > https://patchwork.kernel.org/project/kvm/patch/20210701195500.27097-1-paskripkin@gmail.com/ > > > > Hi Pavel, > > > > Thanks for checking. Let's tell syzbot about the fix: > > > > #syz fix: kvm: debugfs: fix memory leak in kvm_create_vm_debugfs > > > Hi, Dmitry! > > Sorry for stupid question :) > > I don't see, that my patch was applied, so syzbot will save the patch > name and will test it after it will be applied? I thought about > sending `syz fix` command, but I was sure that syzbot takes only > accepted patches. Hi Pavel, Please see if http://bit.do/syzbot#communication-with-syzbot answers your questions.