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[2620:137:e000::1:20]) by mx.google.com with ESMTP id f10-20020a056a00228a00b0058bb0834688si2151653pfe.157.2023.01.12.18.58.43; Thu, 12 Jan 2023 18:58:50 -0800 (PST) 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 S234131AbjAMCvh (ORCPT + 50 others); Thu, 12 Jan 2023 21:51:37 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60026 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239906AbjAMCvZ (ORCPT ); Thu, 12 Jan 2023 21:51:25 -0500 Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E144F60847 for ; Thu, 12 Jan 2023 18:51:18 -0800 (PST) Received: by mail-io1-f69.google.com with SMTP id b21-20020a5d8d95000000b006fa39fbb94eso12584605ioj.17 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=k8ZZHXlu/GYHyTf50ISc4GOF3Exv3azRIWuGF30ojw4/bNM2/AIdTv56pDPBbseT5h FrRAm8DxP3zNVH90+i4o9vQQtQKD9qsanps2b5QusZ4E38z17Wlu2SU4Z66maVhrmJc3 lG+ZaEdwuhhSQD2rTKG6zQYslIaWUwTdHDgpwrZEUzQ9vJEELyaAxMNjnpUehSxjWLE9 PIRmspVnZRciGZ/sK0uFPi7FKTYXn+zWKKt7nzdooBOy6UbUEyAR4+Q4ZBTVGgAJjnmH 5JerHC6RFMwRwmbciOvEu65M6YY2p687uLmzw1Ixt1QRVfTln2Kuninv40WUAeSu/IY8 Oa/g== X-Gm-Message-State: AFqh2kq4kBKh/P3i5VgBQHhVyUZeSPSUdutlCqALw5QSd2vENN8EQeMO iLmjUYPFM/VwvJX4hCBS0VuNXYetkfInCEuKAdITZztxePVL 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" X-Spam-Status: No, score=-1.6 required=5.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2, SPF_HELO_NONE,SPF_PASS 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+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.