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 E4BE0345EC6 for ; Tue, 4 Aug 2026 12:32:25 +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=1785846748; cv=none; b=ZREuKctwUUe1DdrdnJWmZmmpe2wnbUM6M16Vty90Chiw/7RK4aiH7nprDK7wRNmwUjJiaN4p6p3R+Ns0IDwQvls2buKCMNJUs/QS6yV9YkuJXHG+6LCIxcnep8GDzFtUOako7QsrXWcdd9703udS+TWpjQ1R1PUMUfrGCEYlVGI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785846748; c=relaxed/simple; bh=Izxj854rdaCHL2tekuNqeJcJPONMe1aBdk4dez3Pv70=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=p1RVl51ikyVoh3wIlkcYEz6/9ssPws1zeiKnchXII6GwY2WwCc9gnXpbdvIxnjH7KF4qZsBMOzRtRP8qjtjYqyF3ap7p/tNZTafEZj59VHfQt4b1UGkqXXq0+P5On0Hso1FYEQEXBxiMSbUuwijNChWvbZRSANrHIxi9yajBGUo= 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 5614622812f47-485ebc5706cso1510493b6e.0 for ; Tue, 04 Aug 2026 05:32:25 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1785846745; x=1786451545; 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=CAV0kdT+lQ97D3GWwNmaJg4s/bCkGmU2xCM+voOG8vA=; b=UxOX+aCz54s82LY2xd3/Xneiz9kOIWF0VRDXu7hE+nGAvtHHvrSQwLDHX9GCfKg+1O AMBfayzAOg/jyZTnFGJ9HZGjHtmu4AhoDMEi9vBgLsehdFOSkj1hYKF3GMR6dWcAEuRo kbt+urEboSZNSL+yFC75OO6cULrtbAfzLTHQDHQmY+KbP/AG1J71IQq6hz6LX0ADLWfY 4wCYCbS+v1kmXbONsoVtvI03fnc3c4Tv39RJpHI/NBv07Wq3Rap3XLoOH0qLX7cVcN2K oJ3DHqqBC6TN5rmBr78LHiDZ0npJ7wNysIXvmKYGpRDypZ9cC4BN6tXn2MGmvMo0hxzq p66w== X-Forwarded-Encrypted: i=1; AHgh+RqxhlaAymBJVyAfg2E/aSgql23VQWACf4BTmxpUBbSsDdFvs78GgW2vRffj6I87G2wl5R1fmTOOKlVjHXs=@vger.kernel.org X-Gm-Message-State: AOJu0Yxbl3aEin3VZu2Bc0nn2RYA1mK2x3fSmpSu7LBoWwC1rxfI24Rx ig68YuQP/yLwtk7ukkAtZqwquO+o0PixWtdov1/hXwtNIpD95FHXm2mJtK8w1MBm2icxvPXLZPK 6FFilKf3Av1ofu7rHflUaqPeW9mf6OYUJQURmbmd1fWpme3zkQoGE0UVH/Ss= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:4f26:b0:485:7c46:b866 with SMTP id 5614622812f47-4af98afa61amr4739165b6e.16.1785846744853; Tue, 04 Aug 2026 05:32:24 -0700 (PDT) Date: Tue, 04 Aug 2026 05:32:24 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a71dbd8.13623e66.bdc14.0013.GAE@google.com> Subject: [syzbot] Monthly serial report (Aug 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, 17 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> 30 No INFO: task hung in tty_release_struct (8) https://syzkaller.appspot.com/bug?extid=02452abfa3790d12a1a1 <2> 15 No KASAN: slab-out-of-bounds Write in do_con_write (3) https://syzkaller.appspot.com/bug?extid=8e9c1abac3ceb45abffe <3> 3 No KASAN: slab-use-after-free Read in stop_tty https://syzkaller.appspot.com/bug?extid=2932e8970a6398db95c3 <4> 2 No KASAN: slab-use-after-free Read in serial_core_unregister_port https://syzkaller.appspot.com/bug?extid=9f57c1b2792029198fcf <5> 274 Yes INFO: task can't die in show_free_areas https://syzkaller.appspot.com/bug?extid=8f41dccfb6c03cc36fd6 <6> 158 Yes possible deadlock in tty_buffer_flush (3) https://syzkaller.appspot.com/bug?extid=52cf91760dcb1dac6376 <7> 5 No KASAN: slab-use-after-free Write in tty_init_dev https://syzkaller.appspot.com/bug?extid=fe63e4d633540f230624 <8> 3 Yes memory leak in gsm_activate_mux https://syzkaller.appspot.com/bug?extid=b5d1f455d385b2c7da3c --- 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.