From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) (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 7B19A7A72B for ; Tue, 30 Jan 2024 14:38:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706625505; cv=none; b=iSCnkdEkrOPOMSPXB2BOswWVkatiN2ceEHx+3trsdGJfX/tQAui/bPVFEkJgT5IzjsLmvIRGxGyIhJhHmPT9obMZSEZcKQjkbNUM+yTZOYuowZW1JB3naQEcuP38cx/ra2rHcOUV9aRyMwBOHHiH14D8cg8chQTShn1jXOhZZgU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706625505; c=relaxed/simple; bh=ROo5bhnpYwp0pttggyRiem9w8sQ3Hui8BZ6JKXA8IGc=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=hXWz4RZCggPq8TpKWojzEY8RYeRBDabI239ZB0Zbcfu+at5Oq13qr7KC1m5U1o5CP6c8GC9/yd14yxCGSrzU4KjE9fdhjQ0/xlHSnDAwBpVA/C9qKX7GqRHchb++XjLG3J4GnviyPpj1NHI5S3xvya81CK++QbDspQaz0Af+dbs= 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=209.85.166.197 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-il1-f197.google.com with SMTP id e9e14a558f8ab-36384ce5760so9706235ab.0 for ; Tue, 30 Jan 2024 06:38:23 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1706625502; x=1707230302; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=2R7t2YoaqYAPsCKerlfRFKir1r7n3eDnxsYUSSi2FaE=; b=xSGAVw5xvPcUXN0TQbzlXF6wqJPekvmaPzu6ULMr9umJqLAZtaW79OCewS8DRuxAlD IaNpR5RAJ1q3d0XbyRe1HlmNxlS1E36o652+EjPxfRFKblBMiGH9msydXjdm8ua88HFy VeJzNBuzstlRc7Bs3oBFXepFvXLOg7cvSG+WkoGDknw3ScA6A6X2ARO14FqUYPAAmKuX 6oATiSZCsxmiXVuMy/ep04YnceG5VnL3yTHXEAzz8HNrDNJT18z7MaTZDvk4uajq3GOg 08EoeZAwE0MakxQ6pvgv4XS1/pPcUb4xTCPrfhpQdLlcG+qDZA0rMjZVFB02Vdqyxp3m faug== X-Gm-Message-State: AOJu0YzaU9Fz8cEzJGrG5at9Moo1iBfpRywHNgrc5KXC2M6j1pUr8jTR UJOp/qItEb1aABFpMmX39Ie4yxUbSUTweP1Wi6SUW1vGi+EFIyPlyWONSI0gD6dWtKCigkhobQQ ogy6iLbrb3gDbQUOQm+LYgBegPzXnY1stD6xi15lESsJrqBGC1eELTkg= X-Google-Smtp-Source: AGHT+IGP9zFJt9ODdsJJST64s/ApoTT+dlu5lmgfnwM+imtr97ll3bRHIEGPkk+l0Y569vfoQkgmpdh19NV/+hHqEyYfm9fe3EYV Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:12c1:b0:361:9320:5b3d with SMTP id i1-20020a056e0212c100b0036193205b3dmr130264ilm.2.1706625502761; Tue, 30 Jan 2024 06:38:22 -0800 (PST) Date: Tue, 30 Jan 2024 06:38:22 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000db5af406102ab6e8@google.com> Subject: [syzbot] [net?] WARNING in tcp_disconnect (2) From: syzbot To: davem@davemloft.net, dsahern@kernel.org, edumazet@google.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: ff63cc2e9506 net: phy: mediatek-ge-soc: sync driver with M.. git tree: bpf console output: https://syzkaller.appspot.com/x/log.txt?x=133ee64be80000 kernel config: https://syzkaller.appspot.com/x/.config?x=bc36d99546fe9035 dashboard link: https://syzkaller.appspot.com/bug?extid=0f423d4ae07bbb1359ac compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/09601b75d815/disk-ff63cc2e.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/a5549b0aa031/vmlinux-ff63cc2e.xz kernel image: https://storage.googleapis.com/syzbot-assets/f1eb3b2eb752/bzImage-ff63cc2e.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+0f423d4ae07bbb1359ac@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 1 PID: 26544 at net/ipv4/tcp.c:3089 tcp_disconnect+0x1857/0x1df0 net/ipv4/tcp.c:3089 Modules linked in: CPU: 1 PID: 26544 Comm: syz-executor.2 Not tainted 6.8.0-rc1-syzkaller-00182-gff63cc2e9506 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 RIP: 0010:tcp_disconnect+0x1857/0x1df0 net/ipv4/tcp.c:3089 Code: 00 00 48 89 04 24 e9 24 e9 ff ff e8 13 fb 84 f8 be 07 00 00 00 bf 02 00 00 00 e8 74 f6 84 f8 e9 0b e9 ff ff e8 fa fa 84 f8 90 <0f> 0b 90 e9 21 fa ff ff e8 ec fa 84 f8 4d 8d af 76 08 00 00 4c 89 RSP: 0018:ffffc9000371f7c0 EFLAGS: 00010246 RAX: 0000000000040000 RBX: 000000000000d038 RCX: ffffc9000b6ed000 RDX: 0000000000040000 RSI: ffffffff890328c6 RDI: ffff888043389f18 RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000000 R10: 000000000000d038 R11: 0000000000000002 R12: ffff88801c9a0600 R13: ffff88804338a0f6 R14: ffff888043389a38 R15: ffff888043389880 FS: 00007fee2d7bc6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f075e6d56c6 CR3: 000000003fa89000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __mptcp_subflow_disconnect net/mptcp/protocol.c:2366 [inline] __mptcp_close_ssk+0xb26/0xfd0 net/mptcp/protocol.c:2420 mptcp_destroy_common+0x168/0x650 net/mptcp/protocol.c:3274 mptcp_disconnect+0x22c/0x810 net/mptcp/protocol.c:3145 mptcp_sendmsg_fastopen net/mptcp/protocol.c:1745 [inline] mptcp_sendmsg+0x15ec/0x1b20 net/mptcp/protocol.c:1782 inet_sendmsg+0x9d/0xe0 net/ipv4/af_inet.c:850 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0xd5/0x180 net/socket.c:745 ____sys_sendmsg+0x6ac/0x940 net/socket.c:2584 ___sys_sendmsg+0x135/0x1d0 net/socket.c:2638 __sys_sendmsg+0x117/0x1e0 net/socket.c:2667 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7fee2ca7cda9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fee2d7bc0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fee2cbabf80 RCX: 00007fee2ca7cda9 RDX: 0000000024000084 RSI: 0000000020000340 RDI: 0000000000000003 RBP: 00007fee2d7bc120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 000000000000000b R14: 00007fee2cbabf80 R15: 00007ffd6be957c8 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup