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 A3363C4332F for ; Sun, 16 Oct 2022 00:15:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229694AbiJPANY (ORCPT ); Sat, 15 Oct 2022 20:13:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45424 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229663AbiJPANV (ORCPT ); Sat, 15 Oct 2022 20:13:21 -0400 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0307E42D53 for ; Sat, 15 Oct 2022 17:13:21 -0700 (PDT) Received: by mail-il1-f199.google.com with SMTP id i4-20020a056e02152400b002fa876e95b3so6439908ilu.17 for ; Sat, 15 Oct 2022 17:13:20 -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=OT+jfCOL0Hy4Tnhgo/qN2uQhA3DtHNKYnUCMSoIMXs0=; b=GadkhopiGdcNgeQp/haVCZB3cWTUstPAGMGhDxgJjson/0Nlaq4INKAKJgvpp8wUo5 V9SolkE/2hFr9c7UpvXMmYNMTSDj/5+NzdDaHmvY9AQEoPmoLhaHQjghd1X4//GFh+us NJByAivHG4awF0KgFCPTewZPHpe8eDRLbJPuUvdOFGZL3AB2zo6STXUZjUeD9Aj1GuLV to4bCt3hGx6atDH08MzFS+fqMJuFq4zIjAOaiEkSO/U2SOroppQXRTLzetyOuqoyhA3d utRN859lwSAnbUdI3fq/AjFiFY+qXVcT0jmIUYImFhS+ZpYACecByLJXq8p6S9VBRECg aGBw== X-Gm-Message-State: ACrzQf2uh8GABUqcLTMEWI4R6UvTUljlCnvRzU2Sb29RAOhehF86OBOv 5Em43JHDf5fu5gmVmAxrdV6+tWrlAA4Gj2/s4Z+npcEZYq6u X-Google-Smtp-Source: AMsMyM7vvzNDTLJROIMmQNp2imff1LH298JeC+d8hXLa34m4I4Db+2qTxnf7Mkdas1UnFpH2j5fi8PRhIBRU6VTylyFr8zi+4f6e MIME-Version: 1.0 X-Received: by 2002:a92:cdab:0:b0:2fa:7113:8506 with SMTP id g11-20020a92cdab000000b002fa71138506mr1883182ild.93.1665879200296; Sat, 15 Oct 2022 17:13:20 -0700 (PDT) Date: Sat, 15 Oct 2022 17:13:20 -0700 In-Reply-To: <20221015234821.438-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000f8f71b05eb1bb924@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: { P4077 } 2636 jiffies s: 2521 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=12ab7aaa880000 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=14854b8a880000