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 A6875C4332F for ; Wed, 21 Dec 2022 17:25:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229932AbiLURZY (ORCPT ); Wed, 21 Dec 2022 12:25:24 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37074 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229676AbiLURZX (ORCPT ); Wed, 21 Dec 2022 12:25:23 -0500 Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 52EBCDB for ; Wed, 21 Dec 2022 09:25:22 -0800 (PST) Received: by mail-il1-f200.google.com with SMTP id y5-20020a056e021be500b0030bc4f23f0aso3262602ilv.3 for ; Wed, 21 Dec 2022 09:25:22 -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=q0PUte3sp9HDP/rACJdC0oj7M7IRvP+PhijoBn0zNu0=; b=QagjMSaaD+ulNLG7lbDTZBDCyNQW/dXshAYiVihu7kOlnV9sZ4doEh34Y/biK1pO2p Gthzs7nf5R+YLaSmwg8RF+9A5z+rbcHt4yXSQEnu/GtXeP3+7eg3BRVh0nzGDT2SrBGr xQJCXXc11weJgcb+/095wAfpEPk4i0bi5iMID1BG32HUo++bpyQudas2Gcl+QX7SYrmN JZTETGcaaNC0y1I8Pjnq65uIfs/9iqCGOob+wnQ1bQUwyJj3O71IRJaHPtCZ659Ro8ZU R9ksqwIeov8nWD+crRO2j1GpkaZm8cpIfxc5khFXW4MP0z66VZsWpo6QWvwbbwro0BeL pRbg== X-Gm-Message-State: AFqh2kph/aYhja9/CVf/RH4gihIPJyj0WQP6PNo17z9SBBNOTseetKIZ MaMLI+1FIqibJcLQMlqeF+nPbVMDUpe4rEOItebfWrQjKT+r X-Google-Smtp-Source: AMrXdXsJehSdKjkHzU33PVwaMqMzUvTgJcf2FavR2Y4GV/4Lqa5OVT1WC0yLmD75g3ymPsmopaki4ZDR8PfMiH0l+ozm3+QZk+gh MIME-Version: 1.0 X-Received: by 2002:a92:2c07:0:b0:302:fe4d:3b9f with SMTP id t7-20020a922c07000000b00302fe4d3b9fmr238387ile.54.1671643521685; Wed, 21 Dec 2022 09:25:21 -0800 (PST) Date: Wed, 21 Dec 2022 09:25:21 -0800 In-Reply-To: <2062619.1671641039@warthog.procyon.org.uk> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000004d21ce05f059d6be@google.com> Subject: Re: [syzbot] kernel BUG in rxrpc_put_peer From: syzbot To: davem@davemloft.net, dhowells@redhat.com, edumazet@google.com, kuba@kernel.org, linux-afs@lists.infradead.org, linux-kernel@vger.kernel.org, marc.dionne@auristor.com, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: netdev@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: { P5786 } 2640 jiffies s: 2805 root: 0x0/T rcu: blocking rcu_node structures (internal RCU debug): Tested on: commit: 97f46a2a afs: Fix lost servers_outstanding count git tree: https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git/ console output: https://syzkaller.appspot.com/x/log.txt?x=16357637880000 kernel config: https://syzkaller.appspot.com/x/.config?x=b0e91ad4b5f69c47 dashboard link: https://syzkaller.appspot.com/bug?extid=c22650d2844392afdcfd 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.