From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3349346BD for ; Mon, 24 Jul 2023 09:13:34 +0000 (UTC) Received: from mail-oi1-f199.google.com (mail-oi1-f199.google.com [209.85.167.199]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B9D581A5 for ; Mon, 24 Jul 2023 02:13:33 -0700 (PDT) Received: by mail-oi1-f199.google.com with SMTP id 5614622812f47-3a5ad0720d4so3244087b6e.3 for ; Mon, 24 Jul 2023 02:13:33 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690190013; x=1690794813; 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=/68D1NVpjDgOAkUJuDYSp1QYtQNfm/oepylLJakZ8SU=; b=f/JohWEl8Ux3PjMjS2zQXWQOrYlEb9WjRvXQvzdOI8Cj3rbKOFQz8PjWHFJNkRI4wi fiH0UMMADtX0xxPtNn4Cz7DWrmgypT/+oyGXqKuHPIkrhbJBile48tXeUp+x3crHJ1UI 78v8WUyp6A6VBq5lkp0Xx7HwHIlqTHkkLl1Uk4h2oN6LvJwdekCeH0kMUKnAVPeqio/I kep3Xw6DlpgevNEmPMclMJJJ2ExRg30yt1WfQ2fDpsZG13fMOhXciNmSQctCkbWZ9/aC 9s/L8ZDYSspQSSaWoXWiRYrP3X8hmHqQoMuxnLX7DIsWWSpqQFxuH8653zqC4QyyQjHA iovw== X-Gm-Message-State: ABy/qLZtimhgp3pIil57R+zfsuedLon59CdqFMdk/+gzvXttCc7JwYKo EaZ/QimcQTx7XJfm/jb85D32HBuMRdy7HCTYGetJTJuvARJF X-Google-Smtp-Source: APBJJlHhD8j3WMGPNMRwhpIQ5NfH51cbt05RHMwLUgVKLR4yT+Dh2yKRweGEy5zHCaM+S65ljUXdhQZ5Tp4e5akajof/P+lWkeSd Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:ecc:b0:3a4:87eb:da2c with SMTP id q12-20020a0568080ecc00b003a487ebda2cmr17689590oiv.0.1690190013150; Mon, 24 Jul 2023 02:13:33 -0700 (PDT) Date: Mon, 24 Jul 2023 02:13:33 -0700 In-Reply-To: <000000000000ee69e80600ec7cc7@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000563cff06013807a0@google.com> Subject: Re: [syzbot] [bpf?] WARNING: ODEBUG bug in tcx_uninstall From: syzbot To: andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, haoluo@google.com, hdanton@sina.com, john.fastabend@gmail.com, jolsa@kernel.org, kpsingh@kernel.org, kuba@kernel.org, linux-kernel@vger.kernel.org, martin.lau@linux.dev, netdev@vger.kernel.org, sdf@google.com, song@kernel.org, syzkaller-bugs@googlegroups.com, yhs@fb.com Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2, SORTED_RECIPS,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net syzbot has bisected this issue to: commit e420bed025071a623d2720a92bc2245c84757ecb Author: Daniel Borkmann Date: Wed Jul 19 14:08:52 2023 +0000 bpf: Add fd-based tcx multi-prog infra with link support bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14c60c6aa80000 start commit: 03b123debcbc tcp: tcp_enter_quickack_mode() should be static git tree: net-next final oops: https://syzkaller.appspot.com/x/report.txt?x=16c60c6aa80000 console output: https://syzkaller.appspot.com/x/log.txt?x=12c60c6aa80000 kernel config: https://syzkaller.appspot.com/x/.config?x=32e3dcc11fd0d297 dashboard link: https://syzkaller.appspot.com/bug?extid=14736e249bce46091c18 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=133f36c6a80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11a8e73aa80000 Reported-by: syzbot+14736e249bce46091c18@syzkaller.appspotmail.com Fixes: e420bed02507 ("bpf: Add fd-based tcx multi-prog infra with link support") For information about bisection process see: https://goo.gl/tpsmEJ#bisection