From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f200.google.com (mail-oi1-f200.google.com [209.85.167.200]) (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 D7634476CC0 for ; Fri, 4 Sep 2026 12:33:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.200 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788525211; cv=none; b=K9NY2QmXjyLUDnmJQucZXKS5bxTz8XzwYTpaDVqzvrtJ5wfQRrsnfaofogHca3pWTVOmfcQEmoReo3uLi/8t9wv+qPM8Ue0najsHkuNfXBYiL2gwHOTkJuCIZMcXu+eKWWV0eIcIliri/jkQzHOMmUJlQxdnMSUuMgDY3MQ37fY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788525211; c=relaxed/simple; bh=aVuOCE7PAht/GWSBfa89Ep4xuDVC3M56EgxqB8xQgVw=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=XSV+MP7h5uB85mfhmeCNyk2/I8D3mJysm3Zf5ZigLOZlURoczyYZ7vuyc+20tEz9Kf1iaa8ZHjKkxvE9uFNV86TXsBO/83csSenS7sa4/mtFnRSi5XPe/LQ4LgUx67g+O79LCeEnOkN2cuX08Bao//dZwWIZZ6S+CsdL81OfRLw= 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=209.85.167.200 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-f200.google.com with SMTP id 5614622812f47-4b3319233c2so1292237b6e.0 for ; Fri, 04 Sep 2026 05:33:29 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1788525209; x=1789130009; 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=LIY36S3UYkiraL4OOsPuf53+MIpRHYVmDo+vHQVYh3E=; b=YcHtv2sWuHb/R8PJAkcO1T3//C/Sp06xqlu8SI84hesUjP/VJhxhKxYElrVCR+nvmA 8TPULNkl8s9n2+hleJE5/YLSJawzgqVf92L0qLbSv8AMeLJzv87lhPYvXcjt6p8QZZEf 8uxnB8y0I+pQ4mmUsOtbBLc4MoVTd/fPXSvcZ98PiIIYEUaTbbFi942IWwyYI+S0/ajf 7IIZgNqTPW7AjwQ9ZDSSKRhnhVYLdCPAgHbRSnpArnbADsoQCdt0QwJpiMIk+WHE3LVF 8xE0+VLSvSffNL7Rhy6FA9zDpxiu1AkpB5wHTLFx1yjvkHDB6IvFrcc88qQeyT9+ffg2 5TZQ== X-Forwarded-Encrypted: i=1; AKwUvBxD3tt1wzuKDnplZdZ9F3lRTq82jFvEaYB1S+VjEF+DSSkjLd1I4NGo2Nq/gO1gTu4X35ad5/2DFvHkC3M=@vger.kernel.org X-Gm-Message-State: AFuF++ljeMmncGLcPReo6rLcagtJ31nbpZHaOjz43TBel2+SdC+sJtRV XuSwkloe5bBjYghTDogETyeVngID3YOS0dn/k8ihexnDVliapr/33sTLjFB/tVFuWSv85MJywSB U3kkej3FTaKSERG+Fg2D1TWUux8Z44eELLkvTIrwm4ft5R5meVJVPuH/5yaY= Precedence: bulk X-Mailing-List: linux-serial@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:1c94:b0:6b7:83d6:2922 with SMTP id 006d021491bc7-6b783d62f6dmr1539363eaf.37.1788525208983; Fri, 04 Sep 2026 05:33:28 -0700 (PDT) Date: Fri, 04 Sep 2026 05:33:28 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a9aba98.efa90033.8a9e.0002.GAE@google.com> Subject: [syzbot] Monthly serial report (Sep 2026) From: syzbot To: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello serial maintainers/developers, This is a 31-day syzbot report for the serial subsystem. All related reports/information can be found at: https://syzkaller.appspot.com/upstream/s/serial During the period, 3 new issues were detected and 0 were fixed. In total, 19 issues are still open and 48 have already been fixed. There are also 3 low-priority issues. Some of the still happening issues: Ref Crashes Repro Title <1> 14 No KASAN: slab-use-after-free Read in kbd_event (2) https://syzkaller.appspot.com/bug?extid=098cefc0911c68db5dab <2> 5 No KASAN: slab-use-after-free Read in stop_tty https://syzkaller.appspot.com/bug?extid=2932e8970a6398db95c3 <3> 302 Yes INFO: task can't die in show_free_areas https://syzkaller.appspot.com/bug?extid=8f41dccfb6c03cc36fd6 <4> 188 Yes possible deadlock in tty_buffer_flush (3) https://syzkaller.appspot.com/bug?extid=52cf91760dcb1dac6376 <5> 80 Yes possible deadlock in n_tty_flush_buffer https://syzkaller.appspot.com/bug?extid=d84934b4184d7f9a1aed <6> 7 Yes KASAN: slab-use-after-free Write in release_tty https://syzkaller.appspot.com/bug?extid=bca09f5d8b843bbf7571 --- 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.