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[23.128.96.18]) by mx.google.com with ESMTP id f17si12634084eds.78.2021.06.19.13.49.21; Sat, 19 Jun 2021 13:49:43 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234833AbhFSQ4W (ORCPT + 99 others); Sat, 19 Jun 2021 12:56:22 -0400 Received: from mail-io1-f71.google.com ([209.85.166.71]:40794 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234822AbhFSQ4S (ORCPT ); Sat, 19 Jun 2021 12:56:18 -0400 Received: by mail-io1-f71.google.com with SMTP id l15-20020a5e820f0000b02904bd1794d00eso6621473iom.7 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=nehdQXpJuPsFNarAypQTNZGOFTI+p9p3fiYkh3MI5Q2SJ+IWCjnZbqO1DUfQN+zgz0 lfG9SZDqe/w+ziSmesjrwVxYMq+qSjjNW//3YKjJjcsxvxxbSJHo2akdxXzo2pzXNUYM wacZ18kk/v43iMcz7/FD7KUAHPY2RYiFsVywUZKhFdpY7M2McLTRJcQl8bR0yEtlasWB +/BMyDYv8kvGBXDHNm/fKmVKSkRyIYHmVvPiP52gR2KtHa6+tUmDovUMFYluaBhDbbtx 6Qo59GqDuo9c7IH8wsJOfpHxw+S6ry1Fyfgmk/Zwd2DG/oXxWhXPLeH5WoSd9ZYIoQqz esDA== X-Gm-Message-State: AOAM533mU8yB1GcP93hJ0He5rhAi7IPU4JJipCtVx/LT+gdGEt6D/B3f /cjMpS+iJ3Ozt8qu196goHsUKiN8tBSOvpzwLx9LDJS05uKT 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: linux-kernel@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