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 603FEC54EBE for ; Fri, 13 Jan 2023 02:51:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231186AbjAMCvc (ORCPT ); Thu, 12 Jan 2023 21:51:32 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60096 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232773AbjAMCvY (ORCPT ); Thu, 12 Jan 2023 21:51:24 -0500 Received: from mail-io1-f71.google.com (mail-io1-f71.google.com [209.85.166.71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E676959F9E for ; Thu, 12 Jan 2023 18:51:18 -0800 (PST) Received: by mail-io1-f71.google.com with SMTP id be25-20020a056602379900b006f166af94d6so12441263iob.8 for ; Thu, 12 Jan 2023 18:51:18 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=4kHpmFrlXNh10xHxDPEpwrHdPzPE2XyL+lKjHsMt0bk=; b=aUqM9HkczmUb/lD6v142U4tff1VUz6vrXMPqiNoWv5O6YU1X5pMS0/pPwAJnnhZzOm 8OUqCMibaq8oLhqMR2zk1fsZMTrSNsWdH2GPs8oPefZRqhO7goGsSvk7RDqG6Z5qEpzQ MHIHJh/DNn9xGmG1422Kj8xTinCte/n0b4SeiMssB3QRo6FfRlNqPjVDjr+kIqgpVYgb xcGmOMDZQyb7yCWYV4r4LAVtco2cdkJ0wpQIYjqz0EVuJWfoz8lmssC0KrZhFxxl5ZBj XJNmM2bMKGxmKHpPFytzVpEh5CYM4DY/V7/6wd/tDegTzBwQbPQbM2Ps1PI/qMDfL/73 eMoQ== X-Gm-Message-State: AFqh2kpqixzBHRzLGQZa0MCGMtBe+oqa2WTu8D00rAxd678KQUuBzsTO wiQ8rraadIDP4ZumK0Y19rfYI90x0QevLTExFLxdQHrVaH4D X-Google-Smtp-Source: AMrXdXuQpLmbHOvL5SrId88JUPVFYPBRH7F8fF7X4NcoS8UFWJlXQ70LUW9hQmi8sZe3CB1wD2GcxzPd8gUX64uH9g17YUBGxLmW MIME-Version: 1.0 X-Received: by 2002:a92:c0c4:0:b0:30c:46af:56fb with SMTP id t4-20020a92c0c4000000b0030c46af56fbmr5681253ilf.12.1673578278270; Thu, 12 Jan 2023 18:51:18 -0800 (PST) Date: Thu, 12 Jan 2023 18:51:18 -0800 In-Reply-To: <746dc294-385c-3ebb-6b8e-7e01e9d54df5@gmail.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000c7bf6a05f21c4e23@google.com> Subject: Re: [syzbot] WARNING in io_cqring_event_overflow From: syzbot To: asml.silence@gmail.com, axboe@kernel.dk, io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+6805087452d72929404e@syzkaller.appspotmail.com Tested on: commit: 7b9484d4 io_uring: lock overflowing for IOPOLL git tree: https://github.com/isilence/linux.git overflow-lock console output: https://syzkaller.appspot.com/x/log.txt?x=177064a6480000 kernel config: https://syzkaller.appspot.com/x/.config?x=5bdd5369dfff2192 dashboard link: https://syzkaller.appspot.com/bug?extid=6805087452d72929404e compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2 userspace arch: arm64 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.