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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3FB33C433FE for ; Mon, 6 Dec 2021 17:35:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243412AbhLFRjX (ORCPT ); Mon, 6 Dec 2021 12:39:23 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35520 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231511AbhLFRjV (ORCPT ); Mon, 6 Dec 2021 12:39:21 -0500 Received: from mail-qv1-xf2f.google.com (mail-qv1-xf2f.google.com [IPv6:2607:f8b0:4864:20::f2f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C2B11C0613F8 for ; Mon, 6 Dec 2021 09:35:52 -0800 (PST) Received: by mail-qv1-xf2f.google.com with SMTP id p3so10552840qvj.9 for ; Mon, 06 Dec 2021 09:35:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ziepe.ca; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=6tr1Reds9kQ+9oe0dwUbB2J9W/qli+gaQlDjPxmEfS4=; b=F7SoMdCKTWe4fHyJuvunnrOPAxzBB4lpolo6nRqAwGST74pMZWBnqHgRGYsu/7UuYY fVXYK2L1YwziaEjkgnmVF1p8OnP0VtWAZjco2ua5k0vIo6svNewaTZovSOTGw1m2dqV8 NSZE2gNXVzS0BZ4d58XOXuLHNPOrNo39W8g2RpkMZGrcwt9Gp/UqcQn9uvkOcdLjC2FJ ymodjvfvinpnzPkfofJZBq/0jgjCkiQqIpMo1u5i1Quh2D3hOwXGV4UHf0GaKRt16yAS Gfy/8WptgauXUvqdEnk2d+nQhDjDMfGdfhZiRyPWRFmPSKyLnuWzIEwEAqkOtp1wW7JR CTyw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=6tr1Reds9kQ+9oe0dwUbB2J9W/qli+gaQlDjPxmEfS4=; b=x3cePriCXS52E5QGHaimsbWLBT19r+vp79bJb0UwWWgU38dlOqi/qfPwwWCl1FLm8P QEtC7j4Xo6HDbLOdNq9zcHCOT8QuabzlHe4ivUj8ZAlqnHjYWP6AeyGqCnj0kLAyyg5y mZRa17qAD7frmPIzIKJkyZhu0EOUkJID2/aZGlNRz3UjsSkb+tiGHWd8F+4cUsfGP/Zs eMekbY3Wq6/j9Ii+s5EYjMfauKSVkJ/16O8QfniUXsZvPznxPXLrkBIL57NcI1WcMTog f9QHbf/0TzW1OEGHLYBQ1GLZoKf7KCGy/3Z7rX2bf3OxmdQKtEhuu+Ufng16RCr+EpW6 +kxw== X-Gm-Message-State: AOAM533FVZsEYWGFfxcWYeEJ/fzhR/ZVuy5XCgADESAgz2U/ccKHsMGr feI++WgOeg7jFsFO+N+m5tEp3A== X-Google-Smtp-Source: ABdhPJy5cwucofkTtdDk4ZZ/Cm2K69W2AHPBFpVCP/kzA2+aoLytcEaX+Bm6fPuGDllWHTOeYlMWXA== X-Received: by 2002:a05:6214:f09:: with SMTP id gw9mr38210398qvb.36.1638812151598; Mon, 06 Dec 2021 09:35:51 -0800 (PST) Received: from ziepe.ca (hlfxns017vw-142-162-113-129.dhcp-dynamic.fibreop.ns.bellaliant.net. [142.162.113.129]) by smtp.gmail.com with ESMTPSA id u27sm8429201qtc.58.2021.12.06.09.35.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Dec 2021 09:35:51 -0800 (PST) Received: from jgg by mlx with local (Exim 4.94) (envelope-from ) id 1muHu2-00900W-BG; Mon, 06 Dec 2021 13:35:50 -0400 Date: Mon, 6 Dec 2021 13:35:50 -0400 From: Jason Gunthorpe To: Dmitry Vyukov Cc: syzbot , avihaih@nvidia.com, dledford@redhat.com, haakon.bugge@oracle.com, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] BUG: corrupted list in rdma_listen (2) Message-ID: <20211206173550.GQ5112@ziepe.ca> References: <000000000000c3eace05d24f0189@google.com> <20211206154159.GP5112@ziepe.ca> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Dec 06, 2021 at 04:46:40PM +0100, Dmitry Vyukov wrote: > On Mon, 6 Dec 2021 at 16:42, Jason Gunthorpe wrote: > > > > On Sat, Dec 04, 2021 at 01:54:17AM -0800, syzbot wrote: > > > Hello, > > > > > > syzbot found the following issue on: > > > > > > HEAD commit: bf152b0b41dc Merge tag 'for_linus' of git://git.kernel.org.. > > > > ?? > > > > This commit is nearly a year old? > > > > $ git describe --contains bf152b0b41dc > > v5.12-rc4~28 > > > > I think this has probably been fixed since, why did a report for such > > an old kernel get sent? > > Hi Jason, > > Oh, that's because the arm32 kernel was broken for that period, so > syzbot tested the latest working kernel. There is a more fresh x86_64 > crash available on the dashboard: > https://syzkaller.appspot.com/bug?extid=c94a3675a626f6333d74 ?? There is nothing there newer than a year? Jason