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 A298AC4332F for ; Sun, 16 Oct 2022 12:27:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229722AbiJPM13 (ORCPT ); Sun, 16 Oct 2022 08:27:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35772 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229567AbiJPM11 (ORCPT ); Sun, 16 Oct 2022 08:27:27 -0400 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A8F5C3641A for ; Sun, 16 Oct 2022 05:27:26 -0700 (PDT) Received: by mail-il1-f198.google.com with SMTP id y13-20020a056e021bed00b002faba3c4afbso7270397ilv.13 for ; Sun, 16 Oct 2022 05:27:26 -0700 (PDT) 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=azz03TvcT1mxFATNvb208YrWn1K4n+hzSLCQr9VTN6k=; b=VVPc/veurQqk3vMxZrNxv6kz+6kll96PcgSuMM+AL7YR+JL+1VLooEMHsgOvfLYz7W mfyjB7iGHNgChJMzsZQkOkfFa66/58LZu7PlbVDvPBO4kXeYhwXU6yUSDUCsMODWOqCb tUwOvvTQnaonu9sVX8WYkwC9dos94mgYmOOCFAqZBwjKXUkiAmEBSU9+B7OHL3emqPyM f0jIO/VQ0tD5Haurolc7LGzGzLaF9NYz6wAQqmk6A8Q2tzc5xflirmdsb2tqfXwYmbZz AWFSdkHn2nZU/kttaT7ZDnhINzJn9hiCvzEIygEVCC1Gokyqg9Xeis4Rq8dChq8m2zsP BLtw== X-Gm-Message-State: ACrzQf0nOQN0+dLFr6ED3XXzHnfKZPQ+BIwvtUU2hhG8ptv/SDjaYexz sbQR7iM603JtQXocODXPbFoD5jZKh1bmXxCWupVr+HnVpElu X-Google-Smtp-Source: AMsMyM4a7qhSCCRc/XX7AHGmeXm/qwLDPeYjDvsTKFvtFN/qC2w7LWgG2Thxypd6zZyBbZqrN3t7+OBFWv0JgQoPhibW9DGJS8dQ MIME-Version: 1.0 X-Received: by 2002:a6b:1d4:0:b0:6bb:f6c6:f03e with SMTP id 203-20020a6b01d4000000b006bbf6c6f03emr2659356iob.165.1665923246065; Sun, 16 Oct 2022 05:27:26 -0700 (PDT) Date: Sun, 16 Oct 2022 05:27:26 -0700 In-Reply-To: <20221016044826.637-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000004e0e4e05eb25fbe2@google.com> Subject: Re: [syzbot] INFO: rcu detected stall in batadv_nc_worker (3) From: syzbot To: hdanton@sina.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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: { P4079 } 2683 jiffies s: 2553 root: 0x0/T rcu: blocking rcu_node structures (internal RCU debug): Tested on: commit: 55be6084 Merge tag 'timers-core-2022-10-05' of git://g.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git console output: https://syzkaller.appspot.com/x/log.txt?x=123f4ad6880000 kernel config: https://syzkaller.appspot.com/x/.config?x=df75278aabf0681a dashboard link: https://syzkaller.appspot.com/bug?extid=69904c3b4a09e8fa2e1b compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 patch: https://syzkaller.appspot.com/x/patch.diff?x=15e1f4e6880000