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 F351DC4332F for ; Tue, 20 Dec 2022 19:15:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233010AbiLTTPX (ORCPT ); Tue, 20 Dec 2022 14:15:23 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50930 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229758AbiLTTPW (ORCPT ); Tue, 20 Dec 2022 14:15:22 -0500 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 60A7EE0C3 for ; Tue, 20 Dec 2022 11:15:21 -0800 (PST) Received: by mail-io1-f72.google.com with SMTP id b77-20020a6bb250000000b006e4ec8b2364so5994779iof.20 for ; Tue, 20 Dec 2022 11:15:21 -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=kGV90AA/X0nTzuzvmG+X764dVgauxsWjPVfmjrcPhsc=; b=Up7zi4++cp1orHKgk8SiURMAAAIa3iZILFkYhlYb1NXFj+4MP4k6wVshDVVySisepC F2YvgYwWv8yNJerADIwMztVyyxxRS6ZP4dfMa8Ucv689PQT2+Tlf8Xpba4UNL4Ot2slQ fWd+/o2qjzzPOOxhcchHFB1UxbQRgfB7A33HDXVug/EEegVI/8SJfJnqxe0ytHrtUj94 eUDMdFcBWBNcY4U9MEKjJpzDdCj0AZ1W2srsmF7ZCXHoBOTrLZYnatVQCYhuDUdLmO+r A+kfisIZYJP7hH4h4sSsCjp7hsioeDTnzVHAA9JxmNBr83DkayVpnY2Ehjo9qUBQmHYN jv4w== X-Gm-Message-State: ANoB5pmXrDBwAvQLi4H2L5BmyvR6rq1O/HWklZPrEl2EMxfnFHLF2Kkw eaqHgFTzRbPq0CeS24bPCIxduQRvgetjPnjJHh6YimAWZ+db X-Google-Smtp-Source: AA0mqf4Tb0gUAc0ob7+P6Tt6bdase52ycimGI6/V+tr7EItBqWQGrIlYa9jXJ7h5kvSuG1HY6y7Yt8uzuwxyZw0hda/OpU62eYjI MIME-Version: 1.0 X-Received: by 2002:a02:954d:0:b0:375:569e:fb3f with SMTP id y71-20020a02954d000000b00375569efb3fmr49008772jah.200.1671563720670; Tue, 20 Dec 2022 11:15:20 -0800 (PST) Date: Tue, 20 Dec 2022 11:15:20 -0800 In-Reply-To: <1924955.1671552163@warthog.procyon.org.uk> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000ca452805f04741f9@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: { P5782 } 2677 jiffies s: 2821 root: 0x0/T rcu: blocking rcu_node structures (internal RCU debug): Tested on: commit: 2bc80899 rxrpc: Fix a couple of potential use-after-fr.. 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=12729378480000 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.