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 2AA08C4332F for ; Thu, 22 Dec 2022 16:45:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230071AbiLVQpc (ORCPT ); Thu, 22 Dec 2022 11:45:32 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53016 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229545AbiLVQpb (ORCPT ); Thu, 22 Dec 2022 11:45:31 -0500 Received: from mail-pj1-x1032.google.com (mail-pj1-x1032.google.com [IPv6:2607:f8b0:4864:20::1032]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 802933055A for ; Thu, 22 Dec 2022 08:45:29 -0800 (PST) Received: by mail-pj1-x1032.google.com with SMTP id t11-20020a17090a024b00b0021932afece4so6258341pje.5 for ; Thu, 22 Dec 2022 08:45:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20210112.gappssmtp.com; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=e7cHe2ofFq/qzzylun7YjrmSfr+kqiVwa6EeaitIMwg=; b=X9e9p/9m0ihqtklCkS/PS6AxvSwz/1df6OJoNs6jRJ0gIeQxzvqAhM4Sgf/S9FE2fN fthRuRty3d66AL7zR9owxJRiaQppPMjsXuurYcNrLQ0/CP6RVKWtGIgBZ7GAFUYnV6mH Po5CBb79NfFlFURbepIu5f4eGsdHexCyAFboLxSuK91YQr8xzBaX7DQ6envt06ApK16W a1ySrrZhAT1BucPfMDtF/mQJHdAsI3Fj57/F1uIwuF+Ki1PPxwU5em/36P3aOPj8E6ZU J5Y/LA8n0Qr4qrno/uPtJQi+FV4q1lv6wyAlKLd7J8mumhPs/ORb2k/bPqBstH41w3Yv HVoA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=e7cHe2ofFq/qzzylun7YjrmSfr+kqiVwa6EeaitIMwg=; b=lFRb4wV11CkDdEQ3GsiKnP3NQUHy4rcNNCONDGV88em31lD/vTIR6+fjBDXpnStw+N mLCPL8ZXeWK79o6SfZP74wkOgyFF9wBJXbf+q486XE8wz6yRSicGNV2F3+DG4KEdrPLm I6k/nJOZIjTnhuullCP2eekpoQ1VRKWYBwwzMtsdZtty72bD9y5JgELa2gFRzbJrenVu YQ46MMdMmitA5TU8TN2rwotFQm9duB2xpOuFX8o+uWNe/5gmwwspDQ1/dTcgBXcmv6t/ /WQGDJoZsHwrQ+Jaknj8qaPiedKR1ikOXeCYR9FSCwMyEAUcNjtdYtIWRkLCmgYZrCq8 RYiQ== X-Gm-Message-State: AFqh2kopfXQIB8Rad6aaYSPIuOEsvfdCM0nxuzn2ty76EK6QvCDSr1YG rfrfdzg/2xbtr/5guxD8CmAlEPOeq/EQFn0D X-Google-Smtp-Source: AMrXdXsg9Z9Ogo2bMjXySgcXDOKpZdH97qzmAJbrqPL4l7F2/yRq5iyePSm72E1AsQldhnW7tmKnxA== X-Received: by 2002:a17:902:74ca:b0:189:9031:6750 with SMTP id f10-20020a17090274ca00b0018990316750mr1659601plt.5.1671727528883; Thu, 22 Dec 2022 08:45:28 -0800 (PST) Received: from [192.168.1.136] ([198.8.77.157]) by smtp.gmail.com with ESMTPSA id s12-20020a170903200c00b00188fadb71ecsm812611pla.16.2022.12.22.08.45.27 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 22 Dec 2022 08:45:28 -0800 (PST) Message-ID: Date: Thu, 22 Dec 2022 09:45:27 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux aarch64; rv:102.0) Gecko/20100101 Thunderbird/102.5.1 Subject: Re: [syzbot] WARNING in io_sync_cancel Content-Language: en-US To: syzbot , asml.silence@gmail.com, io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com References: <000000000000d3af6205f0644515@google.com> From: Jens Axboe In-Reply-To: <000000000000d3af6205f0644515@google.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org On 12/21/22 10:52 PM, syzbot wrote: > Hello, > > syzbot has tested the proposed patch but the reproducer is still triggering an issue: > INFO: rcu detected stall in corrupted > > rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { P5772 } 2680 jiffies s: 2845 root: 0x0/T > rcu: blocking rcu_node structures (internal RCU debug): Wish there was more of a trace here, but I don't think this is related to the original issue. -- Jens Axboe