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 BD0BBC433FE for ; Tue, 18 Oct 2022 18:58:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229882AbiJRS63 (ORCPT ); Tue, 18 Oct 2022 14:58:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56736 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229453AbiJRS6Y (ORCPT ); Tue, 18 Oct 2022 14:58:24 -0400 Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 297542737 for ; Tue, 18 Oct 2022 11:58:24 -0700 (PDT) Received: by mail-io1-f69.google.com with SMTP id x21-20020a5d9455000000b006bc1172e639so10430871ior.18 for ; Tue, 18 Oct 2022 11:58:24 -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=yQqlsY6PBWJmHaKFtwuo/Fk41jVzmNGP8DugV5geaHk=; b=SPuhO5M/iZsmepAouBWpvbn7VM34iiko6Ev609LzpD/QuV7RVIyUYWafrw751FvoBM XOSJh/VCAf5cffetXJlsGNNwDDazspwQ/RRzsKKMdE0dzYEsLqWSVMq6pbsk4sr5XTAr Mf2KSKUTM2Xwda2F7XalabU3kgtve2uZnHM662b/dvFnQKtqQ7jaJ++xf8o4ImQxFnMh LcvhvocGFWDtFEkuaS+WZ7RW3bBBNz8G0kmVy5i5kWOEZPm2qIiM+xpMt4lha1Zd1BDn 54UJmn69EdRsZDAgSDZVgClOmRxGie69IlltiO6jiSGqV7Y6Kh4uQsCIRrxxFtZD8Vxd rveQ== X-Gm-Message-State: ACrzQf3XnhGsQk5xiBY8ocPk5eABU9McAWgLJat8fV4JU0pm6rYpFWmP +kq5tPpLbw3JdGX03C/mXfevLYeXAOEuhW+VkwfbaBwmaRJf X-Google-Smtp-Source: AMsMyM40S0lryKjEVJ7J40VbZVG76/PxWQeTW31FX3WMEKIW9Kcqs8RP8MUEVxu3l4pxUjHaEmHDYZrqz46WCULr4gvXnt9VXIpc MIME-Version: 1.0 X-Received: by 2002:a92:cb88:0:b0:2fc:1695:df02 with SMTP id z8-20020a92cb88000000b002fc1695df02mr2728431ilo.92.1666119503519; Tue, 18 Oct 2022 11:58:23 -0700 (PDT) Date: Tue, 18 Oct 2022 11:58:23 -0700 In-Reply-To: <20221018061633.890-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000002925e605eb53ad2c@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: { P4085 } 2680 jiffies s: 2529 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=11c5acba880000 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=15c2fd8a880000