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 C20C0C3DA7D for ; Thu, 5 Jan 2023 16:32:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233607AbjAEQcY (ORCPT ); Thu, 5 Jan 2023 11:32:24 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34634 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233384AbjAEQcW (ORCPT ); Thu, 5 Jan 2023 11:32:22 -0500 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B8E2DC3C for ; Thu, 5 Jan 2023 08:32:21 -0800 (PST) Received: by mail-il1-f197.google.com with SMTP id i14-20020a056e020d8e00b003034b93bd07so23220968ilj.14 for ; Thu, 05 Jan 2023 08:32:21 -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=H9UZRTW63lyBpIsMbIymTiTuR3DtdqS+1wAO4zv1bzA=; b=5a+SAomLhq8wxNSPtnCddITD/h29OWUk4y4byqy0WZfrJV1Qy+sc57Oon7twuh0iiU auS5ulD3MBZKYnJ/PrqPl+BPyM6pXCBt7ReEKQbGAvrVfQJc/8awqG7w55BZuYhGC7Mk E5cvEeNwH4UxplSwkDTmpTNtCuPzA99zVusKit8mCGTmIyjcP9foxT8nke6+AaCTpxFT RCYSpnlN1BOfPQK540NU5HUW/+DsHlTN36Zjm9MWIw4ExhEbAE2ZKgze8apnS9SBxyF3 AKk5RDpzPm/RUsmuAyd0kXuPER2oc+WkdM1s249a/upuTDEyRFbDFzDfiTFcRT2P63Qe zTfg== X-Gm-Message-State: AFqh2kocyX7TEZYd43kB633UVyKzBAMfPu8eY416Q0McGqVJVR6ybhpz eaFo1MI0cxAqAmjL2FthKZUDyNDJilHTz7OFJ3ODEDZW0i2a X-Google-Smtp-Source: AMrXdXtlM6VyGycOdbOg1yBWuqAd36l5/buD3Qu67mKOwbzYX00LMjt9rBA8FAKiKO2tQKi11yNFO+ng8L9YtxCkwUfDzFU7Yk1X MIME-Version: 1.0 X-Received: by 2002:a6b:4a06:0:b0:6bf:e923:388b with SMTP id w6-20020a6b4a06000000b006bfe923388bmr4098019iob.105.1672936341080; Thu, 05 Jan 2023 08:32:21 -0800 (PST) Date: Thu, 05 Jan 2023 08:32:21 -0800 In-Reply-To: <594704.1672934598@warthog.procyon.org.uk> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000057916a05f186d851@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: { P5529 } 2650 jiffies s: 2809 root: 0x0/T rcu: blocking rcu_node structures (internal RCU debug): Tested on: commit: a5852d90 rxrpc: Move client call connection to the I/O.. 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=13297ee6480000 kernel config: https://syzkaller.appspot.com/x/.config?x=90282e312d5fd612 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.