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 34208C10F1B for ; Wed, 21 Dec 2022 15:44:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231334AbiLUPor (ORCPT ); Wed, 21 Dec 2022 10:44:47 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44120 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229591AbiLUPon (ORCPT ); Wed, 21 Dec 2022 10:44:43 -0500 Received: from mail-pl1-x62a.google.com (mail-pl1-x62a.google.com [IPv6:2607:f8b0:4864:20::62a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5F782E08 for ; Wed, 21 Dec 2022 07:44:42 -0800 (PST) Received: by mail-pl1-x62a.google.com with SMTP id l10so15886946plb.8 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=6jDspitEHQmDiqcedTGQsHHZT8EY2mr1qcdfUIFrKtzncL/dzT+h1r7Me8w75absEH Fs5nuWafXg3kY0bhR0JSWDzE3U3dUGRsrr43YB8ktg537w4hArnoA0QxbM/OBpatamaZ VPzVkNozsaP8BUdnTOJeulSusQ5jXJHKtNnNPdn9YvjbktFpwKr7l8jqhTFV5g8HBi1O 4Xu9RNmnYTgxrQ7Wi56B55illngZF3lm5qAJV4vxf491HYdv76a6rtxie8Lc9iZsx9YQ OLeHPiMNfsijW9NogrBBULkXSVzkzJz9TZwGf13eHXBN2r3qENjASQk1W6aq8xudRu9/ g2bw== X-Gm-Message-State: AFqh2kqXtUmPiN3Jvjo5RhD+KFYEus9UkyIjVNVF3OrkkG7IHj9BGqZo sX3K9np+et5o4V45MPS7stFgAs9UzgN9lmBT 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: linux-kernel@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