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 7EFA1C4332F for ; Thu, 8 Dec 2022 23:52:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230074AbiLHXwU (ORCPT ); Thu, 8 Dec 2022 18:52:20 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33728 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230035AbiLHXwS (ORCPT ); Thu, 8 Dec 2022 18:52:18 -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 A9B1E7E80D for ; Thu, 8 Dec 2022 15:52:16 -0800 (PST) Received: by mail-il1-f197.google.com with SMTP id h20-20020a056e021d9400b00300581edaa5so2595508ila.12 for ; Thu, 08 Dec 2022 15:52:16 -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=eyvNwceZF5z8ZR0dxpXEzRAKysxu2R1tYLIvKJOVfyI=; b=azrT5rCneElKTO6AP2EXmdPinJUV1gwcDLBB6lEtWi7Oq8pJqN1JiPm+CvDmMAPCmp V2qdWGvnwvr5SBiejBOAUEZQqFgWr4suiN6BjV6E7TUIJrlZOttYGjcInkma0px2kT5K bwNGKejHZhb2r7FT2dtjdxTwsEivQtEs+3Io2ez1D7Ads6b4zfmDdjMOWuTpI6GvjFoe sRhwj94+lh4dRyGauawrPrdsRsyHLs9CucWaqyhotNdFdl9qs6phUlkwsmNhWRl+uVUV 4WlWtTWRuYrG1QC7Zx6g6+YJQr8pIuzmvyv5MTRUYQ1nuDZeiinjz37/8bZFTD7jY6IP 8f6g== X-Gm-Message-State: ANoB5pm6HHu8D2JuLz99hyPVgfH086DfAJH2k7qQQ6QcSnitl9Og8Gl9 X3k7PSD8s7tGGX2FkZocgd4QLZWscl6HB305eaLJxry2Jlen X-Google-Smtp-Source: AA0mqf5eNp7hjb0FvQ5EQPFAIrGlfS3LdhxB+RcSrRifO8D2Fx2bnUdUgfZRoSFmRajDyx+hT2z4uiVEMbK/LXsfrO4yJuJdHBGF MIME-Version: 1.0 X-Received: by 2002:a6b:8f43:0:b0:6e0:34ee:4e97 with SMTP id r64-20020a6b8f43000000b006e034ee4e97mr3798174iod.38.1670543536033; Thu, 08 Dec 2022 15:52:16 -0800 (PST) Date: Thu, 08 Dec 2022 15:52:16 -0800 In-Reply-To: <1805058.1670508568@warthog.procyon.org.uk> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000000c17c905ef59bad4@google.com> Subject: Re: [syzbot] KASAN: use-after-free Read in rxrpc_destroy_all_locals 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: { P4104 } 2661 jiffies s: 2777 root: 0x0/T rcu: blocking rcu_node structures (internal RCU debug): Tested on: commit: efb7555b rxrpc: Fix I/O thread stop git tree: https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git/ afs-testing console output: https://syzkaller.appspot.com/x/log.txt?x=16b83997880000 kernel config: https://syzkaller.appspot.com/x/.config?x=fb14358c9774adf3 dashboard link: https://syzkaller.appspot.com/bug?extid=1eb4232fca28c0a6d1c2 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.