From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f70.google.com (mail-io1-f70.google.com [209.85.166.70]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D26AE16BE23 for ; Sat, 31 Aug 2024 20:55:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.70 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725137704; cv=none; b=HtMAHupzgZgtpz3CcvjDmStvikt+0Pz43+OS3eRKKj9bCe71z8mH8oJ1yf5AQbBF5Uc26VN90FCeswVRJq+wCoF/i5X3jRLZ6I9JDo3UMoEkU36oZ1c+M/K9fyQyYX9o1OtziBZhChmHCEHIclt3MIWdiHr+zUPunVl6BbxdzQU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725137704; c=relaxed/simple; bh=jFH484BT5R7q2HOiKMJKv1FmMZ4CHygH+s9H6wFYtsY=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=tz67U1oZsHTaLKy5qbtemo97GPAbmrfpb/J/Xh2trTADx9dZ0JlOR6MmKI4CeaXVUWydI64eNRMEfXcS0qvurYGHJzC8L04nY5+FjjCKnIRacqKenAhR9sN2UzsJuWpDqt39HY7RjXjYnlNXtYz2yXKmeFcNpoJlnqZM4me80OI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.70 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-io1-f70.google.com with SMTP id ca18e2360f4ac-82a20631362so211856339f.0 for ; Sat, 31 Aug 2024 13:55:02 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1725137702; x=1725742502; 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=TXinuCcZsAGJ7z0LOnrPbuvxWrzVfa5BPSiAe1GhMOU=; b=Ri/sTrPUjfcmI+cSfQ9eOIaRuJV0NHIM1DFMvgO6R3QcS/OPlf1VoK0deTy5CVUiyi HnPdwgSdy8ZfmTDGGFOYhD5a40db3aEDfZLbWttlIGd4T3Adoy/tljXwwcaIQCCDHmSN JplfHHvrkzf3WKqpCS1GZThFQ5pMnqoIIN0iCL71UOBOh/0xYAxyGx5akl9ud+k5mqLI UxXWee+jEgIJpK/B0Oq38cXcLmalFsyd5Gdm+0LMrTp4KbzBdBDUnbV/hP+/acPk8kqG ieKJWlwl+qQy5y5ZVz4HXE4WvZGiQ76b9djan+6uju1k2YIn5BYBcgdoX9CR4Bcc3PJp IOsg== X-Forwarded-Encrypted: i=1; AJvYcCX5E6mIvNB7t9tKAaz3zc/9peUlCEvUSGX7uShZ20bd5q1eHj2bXDSu9uX6SbpU9N4qW0s4Rz8=@vger.kernel.org X-Gm-Message-State: AOJu0Yyi+o9a1Zjw9uUZS2oWU9VPqYkZ0S4hojbeoKA9HHj/jiU57AjE WE9c2iZkcJkRzBExGmr00L/8WhtMH1yge2PUIW/COk48GH/PmdQe7a4Ypp4mBmeLsdKM6sR0r7h KQShD12QRLvdZUR4QHVR5ExtuLN6Sk+QLT/8VXoCHUHuV3YAFbk3+Wns= X-Google-Smtp-Source: AGHT+IGM0VYo+phzMqpcyZHt8FGQ9BOhTyofLbSGzhKKdLQqrxnCP6aoFjZSGJSMGF9oIciQZ2cX72Nge3gLhsO5Q6V4uQ+vSiD2 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6602:14d5:b0:81a:2abb:48a7 with SMTP id ca18e2360f4ac-82a266d18a8mr41499139f.1.1725137702080; Sat, 31 Aug 2024 13:55:02 -0700 (PDT) Date: Sat, 31 Aug 2024 13:55:02 -0700 In-Reply-To: <00000000000099cf25061964d113@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000ebe92a062100eb94@google.com> Subject: Re: [syzbot] [bpf?] [net?] general protection fault in dev_map_enqueue (2) From: syzbot To: alexei.starovoitov@gmail.com, andrii@kernel.org, ast@kernel.org, bigeasy@linutronix.de, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, eddyz87@gmail.com, haoluo@google.com, hawk@kernel.org, john.fastabend@gmail.com, jolsa@kernel.org, kpsingh@kernel.org, kuba@kernel.org, linux-kernel@vger.kernel.org, martin.lau@linux.dev, michal.switala@infogain.com, netdev@vger.kernel.org, revest@google.com, sdf@fomichev.me, sdf@google.com, song@kernel.org, syzkaller-bugs@googlegroups.com, toke@redhat.com, yonghong.song@linux.dev Content-Type: text/plain; charset="UTF-8" syzbot suspects this issue was fixed by commit: commit 401cb7dae8130fd34eb84648e02ab4c506df7d5e Author: Sebastian Andrzej Siewior Date: Thu Jun 20 13:22:04 2024 +0000 net: Reference bpf_redirect_info via task_struct on PREEMPT_RT. bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12597c63980000 start commit: 36534d3c5453 tcp: use signed arithmetic in tcp_rtx_probe0_.. git tree: bpf kernel config: https://syzkaller.appspot.com/x/.config?x=333ebe38d43c42e2 dashboard link: https://syzkaller.appspot.com/bug?extid=cca39e6e84a367a7e6f6 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13390aea980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10948741980000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: net: Reference bpf_redirect_info via task_struct on PREEMPT_RT. For information about bisection process see: https://goo.gl/tpsmEJ#bisection