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 892A26FC1 for ; Mon, 24 Jul 2023 09:13:35 +0000 (UTC) Received: from mail-oo1-f71.google.com (mail-oo1-f71.google.com [209.85.161.71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BD28E1A7 for ; Mon, 24 Jul 2023 02:13:33 -0700 (PDT) Received: by mail-oo1-f71.google.com with SMTP id 006d021491bc7-5666dcb7d74so7224970eaf.2 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=G1andDkIKJ1G30n1dr02x13VXMK8xnOCjq22+x+/uIerYoJnHCiHXSeumSfuHoJfdG GwfckpiFItlo+AkbhIzZg6cA29SskE7speJvRCsuHXzxb/5dxQBKVIv9RYsR6Y25YpJq R7eFiOKK2F5mwECyXoBmDZmOd7SVnT5NxSM1LqgH+dmVJkase7FkV2FVswKk4+rjLEKn DhQAHvXdp3tKzGo1eP3E0nVKlnZEWv9i0ru/C6hAIcASHHEDlZ+0vZfOgV33Y5KpZGO/ sVKeMkIh2nH+w4I88XrUFSj7JZlr6VrWiSIHxlTh+pkJscwCipoU/62Bbw7SVpFLWTBW NOLg== X-Gm-Message-State: ABy/qLaRa2U16hBNN0NTmL2S3xnBNousXqc7q3XYP479vWtkRS7/CWZ0 TMtRd9WoGbGaeUs0YtyKSLpwiQziiFQn79amj61I6IyQBigI X-Google-Smtp-Source: APBJJlHhD8j3WMGPNMRwhpIQ5NfH51cbt05RHMwLUgVKLR4yT+Dh2yKRweGEy5zHCaM+S65ljUXdhQZ5Tp4e5akajof/P+lWkeSd Precedence: bulk X-Mailing-List: netdev@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_H3, RCVD_IN_MSPIKE_WL,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