From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f199.google.com (mail-oi1-f199.google.com [209.85.167.199]) (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 E4CA434CFD0 for ; Tue, 4 Aug 2026 12:32:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785846747; cv=none; b=GGToDiz4gpa2zOt6EiBBWH94xTYJ9AohYgUmpQLovVrGq7Phq6f/sEzRnpnwSKojjnAuAIe6ubbcb2vRjQ11Q3I+J+FwFCvMunYxnPNOrnrjE4UpmmIjGtrqcvkfcdr+tcNMHtttgjxzfIo+OzHTHHDBUlXBNX2YvPwq3pDvftw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785846747; c=relaxed/simple; bh=Izxj854rdaCHL2tekuNqeJcJPONMe1aBdk4dez3Pv70=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=JrEyTF4eogX7jxImC97USMnXle6uG7AOXnmkwDjJ5Sa5zt5Fm9Ra6tYXI3XEFLS9ojFET3qzrzotA/8WxigJfbI5DB6w6SztTKCd8royEX+VVUam0UnTHalNY0SA+HTIOFxDwmpv4GAWmAs3ghYegLRXGLQonfJ4SDndhnqfkWE= 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=209.85.167.199 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-f199.google.com with SMTP id 5614622812f47-4a416619e8dso1397441b6e.1 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=lgx7QKcfg4qMiDcmEXczAXVIoZsi69sQTGPtrAGY8mUbOFmphgaQLHkG8uiO2ICT6G afVOCZ3Do1U7rUxicg8K2zVdI8A9w/8vC4Hq208X5gBWR9ni2x7e6tpmyceILsNtnSxt 4mWcuIuWCvEN4g+z3i87FWGQvd6zU+3vTo6/yDnRjk0zrXGAgjdXufRF3fUKYN3Gy6y6 +abueblL9Ols+RdwQl9sdT/VNufemID7liIakHNdvjJJEiUvl2mRzgfcXT83m57U4zU4 ZqWWXIueq+5e7rxY21eSkCD2QaWftZF0x+eDk5AF0o5peOatV5hVGmYcBRn6IWL8l4mQ YcOw== X-Forwarded-Encrypted: i=1; AHgh+Rpzjh2YdzPq9wX1b574rTJJfef+HkaLjvahbUW6XQZZJDnLWIOX5TS6zhucmxEE7y/lSLMdiHI2cCifXd0=@vger.kernel.org X-Gm-Message-State: AOJu0Ywekn0ydkQBEEVn6bCRlF9LG2hTRM7EtNBDFmyR2p3660fBbqOP n4R5ps102QFfwKzSp0y3qzfjVkM0sA7uaKMHYVXWJjlVJaKiFuvZpArtNloK0Hq+v97civ0ILT+ 0xJK3FpnnVyFqGihjemZrj0mSyta77WPpUV1orvNwy27RCdPSDiy2BczuvKM= Precedence: bulk X-Mailing-List: linux-serial@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:4f26: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.