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 2942A1E4AB for ; Sat, 10 Aug 2024 13:20:21 +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=1723296023; cv=none; b=kHolJuJttLvyG+UH/4rrL7SUgoboHMhU7cuayM7WA20bFbz3pCJOokmmYoPoOe+LQApuHBUfIpT47CJtYL/wS3OZxmTj1SAd94iod3ohKeqIBZuXiEeDfiAnFXUMVu7RDYLDYbG9iqpEvPLtRs7dGAWPBzBgrg2qUjD+2PqU6BU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723296023; c=relaxed/simple; bh=19oEkv1/eaXy2nNZjx2J+oCUrbBZbMQbjfsOTbXIALw=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=LxpcsgzPVAnJ6aiYSbMHCWjQDTpyqeqwTZcLhjDQZS42LeorfyqQK8Vsd6qsaJ+Xee6MWyWTWztOnzC4Gzo8sBwyI47vYFxaZiCzzYTeuEElWrlLAh8Z9SjU4k3reVVY5OrScGaXsMQg/hUOYc0L4XdLoudngIuy6hNJobEPopI= 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-39b3cd180ffso36606995ab.1 for ; Sat, 10 Aug 2024 06:20:21 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1723296021; x=1723900821; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=Tf5N057z2TxyRabMrpFMuIe/31O3a+xUE+vz0NvPDlQ=; b=ZrZPM79PpzOPaXkjhsgJTdVNUdNbYA4bDgEHumom2jbk/5vviJDIquJUics1i7LKUl vNDoKM1/tA2EVkwhy6z2pi2XQvA3DXX5xcYPyhpfdmFfcTP/tZ9kwvMsDHXdB2rsCiaT sJ9pz1L/ATT3byPTen/Yjoz+Yj4ahupbtUS1motY3LPTN0En71r9bSWd/kLX4AShKytO LM1RzRN8urmB/p/qFCoJ/OweDhIFk9TyX+VIapUpWrtctDj4HB5F78B+UoTNSeV9xLNl 3wRgIXilwvKK9i97QyZ0FDKq5+64Crt26itSf2k6Wl7YBThGFBYaVleAInliZ8fFn4b0 pEtQ== X-Forwarded-Encrypted: i=1; AJvYcCXHSGz1l3Nv7we7cNlc69o5oXAe8wlFRJtFFtbWVGUCf5ACfUwN8bF3f7rUbrvGY/Jxjc2zymuGlQz4ScE=@vger.kernel.org X-Gm-Message-State: AOJu0Yz4QJZ+L7JNxVbeq2wR1FQIPJWtPFX3QUfxrdnNhj70EH1KDcdo MxXjiuzrTrIuTN6shisdgzv1QOwVqFu4O6iG20IAW578xXy7n3QX5D+trJgNVugGteeNHtxsq4N IVend4GmgL7BnyhnO3nMhbsdrI5pdoQ0RTGsesrYAqUpBd1YfrWk0sLM= X-Google-Smtp-Source: AGHT+IHllZM4Et292r1oIa+zpIpSzAfPRc5d735oMXHvmC4FdYCNjl7Fpl2RVeZslYTd2vsjmbRyS0Gy5utuaFGlboA7wwJO/1MW Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1d0b:b0:398:d1fe:9868 with SMTP id e9e14a558f8ab-39b7a75252dmr3456555ab.4.1723296021137; Sat, 10 Aug 2024 06:20:21 -0700 (PDT) Date: Sat, 10 Aug 2024 06:20:21 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000002edcf0061f541f85@google.com> Subject: [syzbot] [net?] WARNING in l2tp_udp_encap_destroy From: syzbot To: davem@davemloft.net, 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: eb3ab13d997a net: ti: icssg_prueth: populate netdev of_node git tree: net-next console output: https://syzkaller.appspot.com/x/log.txt?x=13589dbd980000 kernel config: https://syzkaller.appspot.com/x/.config?x=e8a2eef9745ade09 dashboard link: https://syzkaller.appspot.com/bug?extid=1ff81cc9c56e63938cf9 compiler: Debian clang version 15.0.6, 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/451ec795f57e/disk-eb3ab13d.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/e6f090c32577/vmlinux-eb3ab13d.xz kernel image: https://storage.googleapis.com/syzbot-assets/ac63cb5127b1/bzImage-eb3ab13d.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+1ff81cc9c56e63938cf9@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 0 PID: 13137 at kernel/workqueue.c:2259 __queue_work+0xcd3/0xf50 kernel/workqueue.c:2258 Modules linked in: CPU: 0 UID: 0 PID: 13137 Comm: syz.1.2857 Not tainted 6.11.0-rc2-syzkaller-00271-geb3ab13d997a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:__queue_work+0xcd3/0xf50 kernel/workqueue.c:2258 Code: ff e8 41 85 36 00 90 0f 0b 90 e9 1e fd ff ff e8 33 85 36 00 eb 13 e8 2c 85 36 00 eb 0c e8 25 85 36 00 eb 05 e8 1e 85 36 00 90 <0f> 0b 90 48 83 c4 60 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc RSP: 0018:ffffc900042b7ac8 EFLAGS: 00010093 RAX: ffffffff815cf254 RBX: ffff88802a4abc00 RCX: ffff88802a4abc00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff815ce6b4 R09: 0000000000000000 R10: ffffc900042b7ba0 R11: fffff52000856f75 R12: ffff88802ac9d800 R13: ffff88802ac9d9c0 R14: dffffc0000000000 R15: 0000000000000008 FS: 0000555569316500(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3291aff8 CR3: 0000000074d8c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: queue_work_on+0x1c2/0x380 kernel/workqueue.c:2392 l2tp_udp_encap_destroy+0x2a/0x40 net/l2tp/l2tp_core.c:1323 udpv6_destroy_sock+0x19e/0x240 net/ipv6/udp.c:1683 sk_common_release+0x72/0x320 net/core/sock.c:3742 inet_release+0x17d/0x200 net/ipv4/af_inet.c:437 __sock_release net/socket.c:659 [inline] sock_close+0xbc/0x240 net/socket.c:1421 __fput+0x24a/0x8a0 fs/file_table.c:422 task_work_run+0x24f/0x310 kernel/task_work.c:228 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f0994d779f9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe09b036c8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 0000000000052632 RCX: 00007f0994d779f9 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007ffe09b037a0 R08: 0000000000000001 R09: 00007ffe09b039af R10: 00007f0994c00000 R11: 0000000000000246 R12: 0000000000000032 R13: 00007ffe09b037c0 R14: 00007ffe09b037e0 R15: ffffffffffffffff --- 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