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 B6CCDC54EBD for ; Mon, 9 Jan 2023 03:47:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234193AbjAIDrS (ORCPT ); Sun, 8 Jan 2023 22:47:18 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43812 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234167AbjAIDrR (ORCPT ); Sun, 8 Jan 2023 22:47:17 -0500 Received: from mail-io1-f70.google.com (mail-io1-f70.google.com [209.85.166.70]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D2C64388 for ; Sun, 8 Jan 2023 19:47:16 -0800 (PST) Received: by mail-io1-f70.google.com with SMTP id t3-20020a6bc303000000b006f7844c6298so4179746iof.23 for ; Sun, 08 Jan 2023 19:47:16 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=E6PSNSHuzrJBJ/47W8KvJu4qLfm98K6cE9rADnwjx6Y=; b=0xBA0TaSVx2F+CA5QdSYef89F5Ur4cmtcOjg/CKNrJNl5dEkeKFyaSfCakFxmYIMSK I+R8U4n2wfZZ2sbAoRth6G9luhXT5yS40O6gW9Kj5Catf5K0otYeurdyb5GJSzpiwZJr GAA80s4jnIDxyZczS1I42+86cDhRsIEIiG4DF3gLsM5MCps52a/FcRK84hl5jP7TFnDa x2yWzb97KJfi7gjvHZQVAvK2BjIb19wqyWxEK1NRH92gu/rFRs4Hkhsr9kM5JH+3Z81N YChw6V82iPEfPJwLZGir0IrVSbL0gzXRxR90drPqE+Q994qnBg4CKwr0LphJrQbwy9IQ 6njQ== X-Gm-Message-State: AFqh2kqVNoc2HlcAuBFHSewdfrvJQW7MYo2J97LWxfN6F0hD4nGx8SLa C1HMOe0HFW7jCYHmFnJpnvcZzPzl7BLsCzDVY3X+c7K6M7xN X-Google-Smtp-Source: AMrXdXvi2iDuNkvMJihht1FzczeqZ0AFlaBPeGXZ1mRxRpJ3AGgVatdbWS7VO7fy12IupJ4K0R7vk2GFTp6TstNz2IVpsPGEoeta MIME-Version: 1.0 X-Received: by 2002:a05:6638:60a:b0:363:ae32:346f with SMTP id g10-20020a056638060a00b00363ae32346fmr7177789jar.31.1673236036189; Sun, 08 Jan 2023 19:47:16 -0800 (PST) Date: Sun, 08 Jan 2023 19:47:16 -0800 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000090056605f1cc9f96@google.com> Subject: Re: [syzbot] KASAN: wild-memory-access Read in io_wq_worker_running From: syzbot To: asml.silence@gmail.com, axboe@kernel.dk, io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org 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: { P5561 } 2648 jiffies s: 2797 root: 0x0/T rcu: blocking rcu_node structures (internal RCU debug): Tested on: commit: a4b98579 Merge branch 'io_uring-6.2' into syztest git tree: git://git.kernel.dk/linux.git syztest console output: https://syzkaller.appspot.com/x/log.txt?x=17668ed6480000 kernel config: https://syzkaller.appspot.com/x/.config?x=8b79b14037065d92 dashboard link: https://syzkaller.appspot.com/bug?extid=d56ec896af3637bdb7e4 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 Note: no patches were applied.