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 C6522C4332F for ; Wed, 21 Dec 2022 20:42:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229652AbiLUUmm (ORCPT ); Wed, 21 Dec 2022 15:42:42 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35306 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234961AbiLUUmX (ORCPT ); Wed, 21 Dec 2022 15:42:23 -0500 Received: from mail-io1-xd2a.google.com (mail-io1-xd2a.google.com [IPv6:2607:f8b0:4864:20::d2a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CED7C275F0 for ; Wed, 21 Dec 2022 12:41:53 -0800 (PST) Received: by mail-io1-xd2a.google.com with SMTP id h6so8637770iof.9 for ; Wed, 21 Dec 2022 12:41:53 -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=t1yzOmm6ToE262pU3uBC9wuXg/0Sq6TX0VpAt7Es0bU=; b=0jcc35ECS+P1uvshnoXgTB2m2l8b/h/XZHSJGK85sDEewrPkBpf1Y0TjU2oyebn/yl iXwD2bARYVRyOJCiGgmHt/7Z5rwR1fz8vWX/5IWF+1ku9dc04AFvubY7nONXiTRNqri9 BbKaq04YAkCNPWQCx/AgpMFzBqKE3B+m4pnCV8eNSF3osd8tJSg90qFSzYQJ81QrW+DK eOzqvO8F4OWN3dn68RnXmzxZjoWanmfd2sNdW9pfzWFQ0hI1UW98pTDcOH1+KXZ73EKp qwaEKZq1EgHQ4/ea99LZixliyEbtJre0zHxYq1MwAH7soxxFkGyMbswpfwvMnKs4/stp OicA== 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=t1yzOmm6ToE262pU3uBC9wuXg/0Sq6TX0VpAt7Es0bU=; b=QN2hLG7VHcSSptzsDRuZVOIwCTJG7HJWQ8cUFSFYJ6VtBVOk0QZhONwqw6NSOIPZ2p b+ui01Uv1LUbsizNTKi+HnPOOSKzb1b1UAL54vndUn3mjAcpHzzg4t0ynXplat3UwNPY zsRXyX9FImPPuM+E2/+4m3C+l5PVXsgxmBzS4L8vTkYtbMbe/TxSh06cBnITomD1P9i/ OHRDEHPaZ1qr1H9zxJOIq/P3SeqvnoFmzPDr/37867dctWjPtGPNpa/yhouK5x/dX7vc 68g9BBBBIjQJS+MaeRRpDvJG5nZ6MnwEdaPHLKKgqDpoEk1hDEMye/tSHBuZ87mvus9H lXEA== X-Gm-Message-State: AFqh2krlEZeGxEiVw1KlNs0SznaHYgrviQwlUifidlf60uRrZgDEyUxS xAd7bbtrOQJiGRFdOnrHlATp/w== X-Google-Smtp-Source: AMrXdXvcPC8kEPqWiiDETHKp877+RHhAAN+wl8ShPN+7U/DGr4wVxkZehPd0dNvTOiZ2igHpgVPzJA== X-Received: by 2002:a05:6602:218a:b0:6df:b991:c03e with SMTP id b10-20020a056602218a00b006dfb991c03emr412052iob.1.1671655312649; Wed, 21 Dec 2022 12:41:52 -0800 (PST) Received: from [192.168.1.94] ([207.135.234.126]) by smtp.gmail.com with ESMTPSA id b12-20020a05660214cc00b006eba8966048sm3741196iow.54.2022.12.21.12.41.51 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 21 Dec 2022 12:41:52 -0800 (PST) Message-ID: <0021f079-0d7e-0c51-64ad-9d9d17652e88@kernel.dk> Date: Wed, 21 Dec 2022 13:41:50 -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: <00000000000084d53b05f058cabc@google.com> From: Jens Axboe In-Reply-To: <00000000000084d53b05f058cabc@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 9:10 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: { P5778 } 2634 jiffies s: 2893 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