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 X-Spam-Level: X-Spam-Status: No, score=-3.7 required=3.0 tests=BAYES_00,FROM_LOCAL_DIGITS, FROM_LOCAL_HEX,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A646BC49361 for ; Sat, 19 Jun 2021 16:54:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 80FEF610A2 for ; Sat, 19 Jun 2021 16:54:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234756AbhFSQ4U (ORCPT ); Sat, 19 Jun 2021 12:56:20 -0400 Received: from mail-il1-f198.google.com ([209.85.166.198]:45803 "EHLO mail-il1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234823AbhFSQ4S (ORCPT ); Sat, 19 Jun 2021 12:56:18 -0400 Received: by mail-il1-f198.google.com with SMTP id s18-20020a92cbd20000b02901bb78581beaso4660159ilq.12 for ; Sat, 19 Jun 2021 09:54:06 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=QqIncrQU8u3oTCnB+Mpzxl6+UwwC6+HMM9p8ltzPHS8=; b=Lvekr3hE5uWmchedg+ZTweSSYXkWp5sTNBfWK4i6qxqJfOPltoU/LpgNO83VQ1W0MP NFrWidQNgAqFLVWlo0XpoEB7jljUhEb/L6zRhR8v220sVGejzUsS+hETOrAl5S8qZ762 34HJzJlRNKaCGxO+rIEQSnvbZ09U4q/7fCO/69Pn3xHG14pVeIOefdddM0TX73xAZMh3 Oj39eoc5sgq9qPS/6BII02a9BPn+OSuOO9mSR+o2ZHarFn2/eR+xmXALqYIRRBumEu8u m71xdP2vMlqXZLaS8ywyVzDlxoVG1dwLPB95rPQDwrXFegvgTc/gjhMzAfcaNLVE2L6I znEQ== X-Gm-Message-State: AOAM530ujao6C1IxBXrh3pCxYs+c57uU1/cnIIhtpEOtd8TgsHji97Aa Tmrk6pSig9bLjVBMbwG18ASUF03r01iOI0+pXhZezY9Un2G8 X-Google-Smtp-Source: ABdhPJx/AfnH2IlS/TiDpgCKO8HJ1dF/+Qf9wLPerlasfa7aKwjtTw6wDoV8Sg0G1dCQZ9I9Y1q/4o9tQB4bG00bf9WeDJQtc5Ow MIME-Version: 1.0 X-Received: by 2002:a02:94af:: with SMTP id x44mr8962347jah.79.1624121646170; Sat, 19 Jun 2021 09:54:06 -0700 (PDT) Date: Sat, 19 Jun 2021 09:54:06 -0700 In-Reply-To: <000000000000f034fc05c2da6617@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000cac82d05c5214992@google.com> Subject: Re: [syzbot] KASAN: use-after-free Read in check_all_holdout_tasks_trace From: syzbot To: akpm@linux-foundation.org, andrii@kernel.org, ast@kernel.org, axboe@kernel.dk, bpf@vger.kernel.org, christian@brauner.io, coreteam@netfilter.org, daniel@iogearbox.net, davem@davemloft.net, dsahern@kernel.org, dvyukov@google.com, fw@strlen.de, jiangshanlai@gmail.com, joel@joelfernandes.org, john.fastabend@gmail.com, josh@joshtriplett.org, kadlec@netfilter.org, kafai@fb.com, kpsingh@kernel.org, kuba@kernel.org, linux-kernel@vger.kernel.org, mathieu.desnoyers@efficios.com, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org, paulmck@kernel.org, peterz@infradead.org, rcu@vger.kernel.org, rostedt@goodmis.org, shakeelb@google.com, songliubraving@fb.com, syzkaller-bugs@googlegroups.com, yanfei.xu@windriver.com, yhs@fb.com, yoshfuji@linux-ipv6.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org syzbot has bisected this issue to: commit f9006acc8dfe59e25aa75729728ac57a8d84fc32 Author: Florian Westphal Date: Wed Apr 21 07:51:08 2021 +0000 netfilter: arp_tables: pass table pointer via nf_hook_ops bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10dceae8300000 start commit: 0c38740c selftests/bpf: Fix ringbuf test fetching map FD git tree: bpf-next final oops: https://syzkaller.appspot.com/x/report.txt?x=12dceae8300000 console output: https://syzkaller.appspot.com/x/log.txt?x=14dceae8300000 kernel config: https://syzkaller.appspot.com/x/.config?x=a6380da8984033f1 dashboard link: https://syzkaller.appspot.com/bug?extid=7b2b13f4943374609532 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1264c2d7d00000 Reported-by: syzbot+7b2b13f4943374609532@syzkaller.appspotmail.com Fixes: f9006acc8dfe ("netfilter: arp_tables: pass table pointer via nf_hook_ops") For information about bisection process see: https://goo.gl/tpsmEJ#bisection