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 B74B6C4332F for ; Wed, 21 Dec 2022 15:44:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230264AbiLUPop (ORCPT ); Wed, 21 Dec 2022 10:44:45 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44122 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229814AbiLUPon (ORCPT ); Wed, 21 Dec 2022 10:44:43 -0500 Received: from mail-pj1-x102f.google.com (mail-pj1-x102f.google.com [IPv6:2607:f8b0:4864:20::102f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7322F6168 for ; Wed, 21 Dec 2022 07:44:42 -0800 (PST) Received: by mail-pj1-x102f.google.com with SMTP id o8-20020a17090a9f8800b00223de0364beso2677939pjp.4 for ; Wed, 21 Dec 2022 07:44:42 -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=UZBFIqT10H+4UsayRiUEr9+GQIHOydECslxG/sJlSmw=; b=3HNbaurNAkTYR1KCD2VvPneuM3GJ2mdEHl1Bw3SqP94M6L8NabiSawtp1B+yTb6PpV 7E7Xwd2FMVuxNS1mjjdh+7UzxKEe5v9sjYJnf1cxBnV4vgzH5ddkVMt+ZdYEEgTLRfko plz8mOP/nI1tdzk+xITX72tQOsg0sGx8We5s7QQoGXRj4CTMP50NphCcyk1s9hnJA7tH YiGuo/P7i4YEo3RUbhFbziayeuR5xH+ouM6irRl3JV35hJzeVTKumtAQaldO/KiPOrop nFxfidcBz/HVgOuO+t4DjNHnfNeg7RdkCDYfZZrrdy+O+jenHohgYAJnA9jYfIivG9A9 ThtA== 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=UZBFIqT10H+4UsayRiUEr9+GQIHOydECslxG/sJlSmw=; b=7cjwZNRAy/K7tz3q6n1lfyRK7qaZ1dc0cttLkszHX3tubMyouw+z2vzg9SHRHTOYW2 HdRFrU+v3d0qfejnIp6QqqU1U4J0enrVmiDFe7AKe5T7f85l6gU3ZhbiP2qh2D1bCS6+ JLe8Kt/pPa9BXI5wOUGnjxBbyboZgSlFZUAIafnt+ax4X28/LAL+y2AgJnUFbCzO+sJE ifo4YYENxGex5uy/UTLGWJkkIGRySl5gZ/DYMpqkfnDnZMkOuVZZ9XUV0nPXSdrFXci3 rjn+UeKNDE7YcBVk+lHOsPpzM1K6ITBZolOVTh5lm9Rd0NTD1QsCqj8F80k6eChWmkaM qrVg== X-Gm-Message-State: AFqh2ko0ZDBK38cd7Tga6fFdWwMyrtRi0wtLBaBMf7lDIQ0qLrtftzIq 7ENkincqNSzBl6NfHlrRqjbHCQ== X-Google-Smtp-Source: AMrXdXtDYhES3XntKcIT5CzNq2CaOgU5xgI4oqyb0N1mgaTOjEWbRaxIHgW4R0BikSsie2GP6NYamQ== X-Received: by 2002:a17:902:8644:b0:189:b74f:46ad with SMTP id y4-20020a170902864400b00189b74f46admr575210plt.3.1671637481784; Wed, 21 Dec 2022 07:44:41 -0800 (PST) Received: from [192.168.1.136] ([198.8.77.157]) by smtp.gmail.com with ESMTPSA id k15-20020a170902c40f00b001869b988d93sm11649622plk.187.2022.12.21.07.44.40 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 21 Dec 2022 07:44:41 -0800 (PST) Message-ID: <7c89b1c8-f012-3965-ab77-3bc19b3cedaa@kernel.dk> Date: Wed, 21 Dec 2022 08:44:40 -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: <00000000000069608005f0580c52@google.com> From: Jens Axboe In-Reply-To: <00000000000069608005f0580c52@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 8:17 AM, 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: { P5788 } 2646 jiffies s: 2841 root: 0x0/T > rcu: blocking rcu_node structures (internal RCU debug): #syz test: git://git.kernel.dk/linux.git io_uring-6.2 -- Jens Axboe