From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f197.google.com (mail-oi1-f197.google.com [209.85.167.197]) (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 F1AC531F9B5 for ; Sat, 25 Jul 2026 04:32:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784953956; cv=none; b=IxGfzUAokOwiIOtgOAfem73rgLTIbu164StS+kaQqgd8qBGsaXJprPfzDGSlMxdhSj8R52nWQ3Kw6zylThjUr73JT8m5awpmjeh4wT10yK/KEV84JN00DZktPkB6DMfGg9Nsi3uD/L9pz2n0dSkEI4d19HH4vWOQunjT8pu7RZ8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784953956; c=relaxed/simple; bh=igNrTDpw8PBBFJJDyfe4FfZOrENX0SJANQ7zcfjEM6w=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=LqwMLgZ/yG7Yuo4U4werF3owRyC6jUGEa20kRQO1HhlojpojV5zN/gBetr5eSDGXOZszI/WzBuXwvWTd1o5g2Ar1763bybJ4Ntyesf3nxqPS+QOFEgusQp0fsqGURBKhrUhmHoYZ5BxflKB26tdhMRD6m2rZ3biFL7sPqQyyo+c= 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=209.85.167.197 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-oi1-f197.google.com with SMTP id 5614622812f47-495f637105eso1646599b6e.2 for ; Fri, 24 Jul 2026 21:32:34 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1784953953; x=1785558753; h=content-type:to:from:subject:message-id:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=Plormjw2Vm2jMwqYIVzAIp8M/kSlnS9HvnvLg7IUXtk=; b=LBK7z1ymEAElwqBOFRwY+FbL8hkLPzFHzhPHrs4cE+ldFfUkV5rK0Supj+IYz8IOuP c4s2o/brBtI8zioiPSQUk21aYwug93ctZclA6iMbU3b7Y2O2K9uunDPgT32ZGP4qQkTu sGwjxkayuyxAOvZ983PM/bylAz6fxiI7EBFXSHRMT0IddxEWK6szvU6w2xFVylmJ3nkQ a2oHtC2LU87DPNboQT96SXHxkjE3Gs1RLCyawqGEHqC1f29w6DTVd9zkW4vt5kq30qdP 0KDylTW5mUvgc2cxZLDNNCCJbQ7wQH5O0Gc6BlVXqqwZkUYBzQgAk91A2KFuL3avSYIL 3fZw== X-Forwarded-Encrypted: i=1; AHgh+RpncD/C8FwAlt6rxWn0/YqDlfcWk/iDXCyJR/qeTFdDZ1DTtzvsJ1mYW16cRRBjfvSavjrlsew=@vger.kernel.org X-Gm-Message-State: AOJu0YxasxVii+DDtBd3Oy3YpguQXSmxLJLPj5ITgsjCsyUpmt78Z09P SeMFOagORQgQlMK/Vs9dXQGSBB7PgiZaQ8/EEtehRivEtQatjbxdLhfCLwoh2uxpec+eXmL8bXo Rak0SDXI5cn4TBSvBlqzbRt2BNeQwior6UnLtVK6O7ktJwiobJH+UxT0KwEE= Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:198e:b0:492:3ed0:9073 with SMTP id 5614622812f47-4ab69f33230mr1328274b6e.4.1784953953702; Fri, 24 Jul 2026 21:32:33 -0700 (PDT) Date: Fri, 24 Jul 2026 21:32:33 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a643c61.a2ea2cc8.fbad6.0011.GAE@google.com> Subject: [syzbot] Monthly net report (Jul 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, 2 new issues were detected and 7 were fixed. In total, 56 issues are still open and 1759 have already been fixed. There are also 29 low-priority issues. Some of the still happening issues: Ref Crashes Repro Title <1> 4131 Yes INFO: task hung in synchronize_rcu (4) https://syzkaller.appspot.com/bug?extid=222aa26d0a5dbc2e84fe <2> 937 No INFO: task hung in netdev_run_todo (4) https://syzkaller.appspot.com/bug?extid=894cca71fa925aabfdb2 <3> 690 Yes INFO: task hung in tun_chr_close (5) https://syzkaller.appspot.com/bug?extid=b0ae8f1abf7d891e0426 <4> 639 Yes WARNING in inet_sock_destruct (6) https://syzkaller.appspot.com/bug?extid=5b3b7e51dda1be027b7a <5> 491 No possible deadlock in __ipv6_dev_mc_inc https://syzkaller.appspot.com/bug?extid=afbcf622635e98bf40d2 <6> 447 Yes INFO: task hung in nsim_destroy (4) https://syzkaller.appspot.com/bug?extid=8141dcbd23a8f857798a <7> 165 Yes INFO: rcu detected stall in sys_unshare (9) https://syzkaller.appspot.com/bug?extid=872bccd9a68c6ba47718 <8> 116 Yes KASAN: use-after-free Read in qdisc_pkt_len_segs_init https://syzkaller.appspot.com/bug?extid=83181a31faf9455499c5 <9> 91 Yes INFO: rcu detected stall in rescuer_thread (2) https://syzkaller.appspot.com/bug?extid=d5f7a5097c24c7c2dbbb <10> 1366 Yes possible deadlock in hsr_dev_xmit (2) https://syzkaller.appspot.com/bug?extid=fbf74291c3b7e753b481 --- 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.