From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oa1-f72.google.com (mail-oa1-f72.google.com [209.85.160.72]) (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 D22D43C1969 for ; Wed, 22 Apr 2026 09:08:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.160.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776848918; cv=none; b=skoE1rDYbTnhIqPT5WPUuyXezv6PXhdn6Yek09UawR7kofthTeHswtxPUWK3FrQvpcu5KfRGhkE8qQIyXoQbSHyY2zufhfmz18O9b8nfG/qb4/4wBpVkJe7AGsTCTGhPG4xDwi1EUdU9gvHCRSHF6Vit9ucojLYWkyyYEMdxxH4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776848918; c=relaxed/simple; bh=ci4Y0n1rv087m2Y1JSXYceDbibXT+0vtYgXS+1CRuYE=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=C0udLJNTUxYbQSE1WdpAHoYXTwpP/NtVP7Wv9w5dKrYGWo0etNinBxmM647JOLsSmtYHNHHphVBCulknHGvzOlGugUGSeCTPtcMH84o+4Gd29mjpcjhhkt33lGNRznopOvtxzObEtIr0qobqXcevAoWG54P5/5O5NfgjR6MA94g= 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=209.85.160.72 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-oa1-f72.google.com with SMTP id 586e51a60fabf-42467c9547bso4484415fac.0 for ; Wed, 22 Apr 2026 02:08:36 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1776848916; x=1777453716; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=e4PjCc5VcY5hByNV5cEGk/kXKEUzMT29U0LekpTGfKs=; b=NY94nuuLDAOZF4/ACzPmprEY1tIsQ89Eotwpqmgd+IR+Dm5bHoVFfdUuH6COHLB93W 2FAK0ukeRINHtdVG9dYCz7XXQARHCeBK1YgbkH+MSCFCRH0vTlwSzyJ3Ly4lk/nWqJtK +k8cbx7V9Hxef/gVRtv8yCncdLTnJJs7ilwTnYd3qp0pvk7au1ngs9qNW/BosqfvJqDf JpaEbHYa0FYDOVP2JEvwqiVUMz8SwmhXQHDoc/FpKhysmcPGwnXsiUZkWx3RuAaKNFcS 3iFPSdDdfuwe1FOf9tiQ5WtvakN7mY4SA7Zr6nkaBahyv27wBSWSqnVv03a2BiHmA/8f D8LA== X-Forwarded-Encrypted: i=1; AFNElJ85OUNiPWt9rEyPNzaPMeTejrhLlhFz+zLh6svg1Raef5g5TPwWOB/TwLQIK0Y2cZ1CPOUhd1Q=@vger.kernel.org X-Gm-Message-State: AOJu0Yxfu9gCbnnE46ZUsXPYkkXpUv2EF0E6oBDvKfTUXJdguW6n/xpc TrNrnNkXtdD29DmL1bTRcm0qUnf+ynG4RdDWlEF7MGdS2QxB5sCiHMsaCrJeU7TSzVlJEiSt0M5 BdxFCHD3yPog9VMprdYzOU4c/AbTx4RyTHEdqVHEJja89Ecved72Mpepguwo= Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:2916:b0:694:9910:f77e with SMTP id 006d021491bc7-6949910f852mr3539035eaf.4.1776848915765; Wed, 22 Apr 2026 02:08:35 -0700 (PDT) Date: Wed, 22 Apr 2026 02:08:35 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69e89013.a00a0220.17a17.002b.GAE@google.com> Subject: [syzbot] Monthly net report (Apr 2026) From: syzbot To: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello net maintainers/developers, This is a 31-day syzbot report for the net subsystem. All related reports/information can be found at: https://syzkaller.appspot.com/upstream/s/net During the period, 9 new issues were detected and 5 were fixed. In total, 94 issues are still open and 1720 have already been fixed. Some of the still happening issues: Ref Crashes Repro Title <1> 8561 Yes KMSAN: uninit-value in eth_type_trans (2) https://syzkaller.appspot.com/bug?extid=0901d0cc75c3d716a3a3 <2> 3513 Yes INFO: task hung in linkwatch_event (4) https://syzkaller.appspot.com/bug?extid=2ba2d70f288cf61174e4 <3> 3170 Yes INFO: task hung in synchronize_rcu (4) https://syzkaller.appspot.com/bug?extid=222aa26d0a5dbc2e84fe <4> 2914 Yes WARNING in rcu_check_gp_start_stall https://syzkaller.appspot.com/bug?extid=111bc509cd9740d7e4aa <5> 2111 Yes KMSAN: uninit-value in bpf_prog_run_generic_xdp https://syzkaller.appspot.com/bug?extid=0e6ddb1ef80986bdfe64 <6> 2008 Yes INFO: task hung in del_device_store https://syzkaller.appspot.com/bug?extid=6d10ecc8a97cc10639f9 <7> 1675 Yes INFO: task hung in addrconf_dad_work (5) https://syzkaller.appspot.com/bug?extid=82ccd564344eeaa5427d <8> 1312 Yes possible deadlock in hsr_dev_xmit (2) https://syzkaller.appspot.com/bug?extid=fbf74291c3b7e753b481 <9> 663 Yes INFO: task hung in tun_chr_close (5) https://syzkaller.appspot.com/bug?extid=b0ae8f1abf7d891e0426 <10> 632 Yes INFO: rcu detected stall in tc_modify_qdisc https://syzkaller.appspot.com/bug?extid=9f78d5c664a8c33f4cce --- 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. To disable reminders for individual bugs, reply with the following command: #syz set no-reminders To change bug's subsystems, reply with: #syz set subsystems: new-subsystem You may send multiple commands in a single email message.