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 9A776C5479D for ; Mon, 9 Jan 2023 03:21:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231378AbjAIDVb (ORCPT ); Sun, 8 Jan 2023 22:21:31 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33596 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231410AbjAIDVa (ORCPT ); Sun, 8 Jan 2023 22:21:30 -0500 Received: from mail-pl1-x62f.google.com (mail-pl1-x62f.google.com [IPv6:2607:f8b0:4864:20::62f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3CCBA10FFA for ; Sun, 8 Jan 2023 19:21:27 -0800 (PST) Received: by mail-pl1-x62f.google.com with SMTP id d3so8120244plr.10 for ; Sun, 08 Jan 2023 19:21:27 -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:content-language :references:to:subject:user-agent:mime-version:date:message-id:from :to:cc:subject:date:message-id:reply-to; bh=1jM4mtOjxzdkvFj3jCakSNJPcFUF5OXMS78TpTOkDW4=; b=cRp2Z8RUR4sfc1KLeo3L5gGC6ptTp4LAVkfMYeHbSm58AYuAy4sxKOFLXN/CLRCE5E LshWW/NefQvWJ8mNHInIl7KQ0ifdJygzsYI7rjHldbqnpK6bvJ+LWVg02P8qyfwLLSmP LlYLVUupKcv6tz8Sju4/sfM+AfrCR2mJO8mz3kOP3E96z8bUS6tm/pM7EYEDKOVaUAP1 58EG0tVx3EEKqJBORmYqmh9q6RaQcxPymx3AWVLC7tl5XEeOzqFvjnzGQjsD7EuSUTkE C5o/pVkUvtCN8jkVmsElc198JdwVjphcErKfPKiZzupEfZVOvwCOreItJFOvhpPZZdtj syUA== 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:content-language :references:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=1jM4mtOjxzdkvFj3jCakSNJPcFUF5OXMS78TpTOkDW4=; b=2eeRwOr0MtAZOuLi3+jWEnKdJdcy29dOQbGbxKUcWSOumH6iiRDPuQeWrru/E4t1kE JSM7y3rlfSoVPOLxsJ18WokCRhUSeaiHszTZ/ddw4flIlqJQvVYJtOdvmHZoterV6P9D ciRjo+PC+poXM+2fEAhOTWm0vqjD4FXzZOBVZQTMzWSj5IEcn4b4CWVWfDVU4a29Njp8 QkOPvFECWrAlxHXGCLLxGkLIUsK5IKGLFEHOmCRQpC2Pb+Rc/uR9+OR2KRLe+cli6Jme T2OQX8YO48Xn+XTCd6GFGJKUYf8QhgCC773D5WhfPW7Z543tW4ecyncuWN7MuCgqxGoP gW8g== X-Gm-Message-State: AFqh2kqKBLCJEzofZy/sDuY3nguPuFla/pHjUwVCW+kf1R/P3iErRe6G oq+S7W2e7O7q51csFxFIqHMZwA== X-Google-Smtp-Source: AMrXdXtVFt1i2MZWHS/tT/iGO3Y7mw0s3YQU8XLOXkuSEK8oesC6OzPZBoaF74YwPKmynJ8e1b9AgA== X-Received: by 2002:a05:6a21:8cc4:b0:af:cc4e:f2d with SMTP id ta4-20020a056a218cc400b000afcc4e0f2dmr17033783pzb.0.1673234486613; Sun, 08 Jan 2023 19:21:26 -0800 (PST) Received: from [192.168.1.136] ([198.8.77.157]) by smtp.gmail.com with ESMTPSA id b5-20020a630c05000000b00477def759cbsm4200903pgl.58.2023.01.08.19.21.25 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 08 Jan 2023 19:21:26 -0800 (PST) Message-ID: Date: Sun, 8 Jan 2023 20:21:24 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux aarch64; rv:102.0) Gecko/20100101 Thunderbird/102.6.0 Subject: Re: [syzbot] KASAN: wild-memory-access Read in io_wq_worker_running To: syzbot , asml.silence@gmail.com, io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com References: <000000000000e7f96f05f1cb9a84@google.com> Content-Language: en-US From: Jens Axboe In-Reply-To: <000000000000e7f96f05f1cb9a84@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 1/8/23 7:34 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: { P5774 } 2664 jiffies s: 2777 root: 0x0/T > rcu: blocking rcu_node structures (internal RCU debug): Don't think that's related, probably because of the earlier base of that branch. Let's try something that's merged to current master: #syz test: git://git.kernel.dk/linux.git syztest -- Jens Axboe