From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oa1-f69.google.com (mail-oa1-f69.google.com [209.85.160.69]) (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 9E866385516 for ; Thu, 29 Jan 2026 11:51:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.160.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769687491; cv=none; b=CXiDBl3j9L/KyMCO/TdVz9iFQel0HyuWRvHeRYvYiIpi3PzfoNf3jZj5jHuOT75iJqO+bwuCLJ76HAYXJxL8Oy0HYtU7yM7T21CtnrOY0xZM33WVjq+6pXVihgns3sAnsNsi9ao/i0misFzVfSp0WhexYFWqoOSDmbEnR/EbApg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769687491; c=relaxed/simple; bh=lIUDlXObb5uEF//k43KhXjonJY7/eMR3MoOZwQ+ASjw=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=Zw/wKvF3FKxeBtUXteUn6OZEQUxMRK6UGmrvodgue0Q4aD69W6cq5mPOOz7P1WvMPqeVX2pVA1UiOI60faGMmyDorjFzSpxCb3Fl8FqFNEgvoObJk5nE2+d9dOqQTM+1fslYBhW0rybtBwK32thfJEnn8elEcW1O+q7WhoMp2cQ= 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=209.85.160.69 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-f69.google.com with SMTP id 586e51a60fabf-3ff590953b1so2542203fac.2 for ; Thu, 29 Jan 2026 03:51:29 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1769687488; x=1770292288; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=m0NG2LGgo/HRDPw+ohIUZo78HxQ4jjxW86wJXLvVSKY=; b=AF4p67XSb/+agqjXOh1mzduWPaaeUMlV4uijul9VfbMW/9SFeIJtIS1kZ6yNhPC4TL XwemHlrfJs8+aXwP/MjGjp4DjMVYVVyukcdRt/fmtn9rWGpEmTESIRUG9H8/txwkqm+/ 8KYhk8oB7ID+j0nsBtx8sR29SNZaEW8H8Nc9qolAabW0n51AmlkB8gdx6SbdJ0iBhYy+ q//KxpZRfyeZ0Twb4nfp0juvxVwIXzA70eFI9Q2hH7/i0ISH9rx1brEkilXIRPgHNDkd PfInLWSv2yoCLv0YXClcYzIzLHB15eAPetu5GSEKquvjfosXY9ZcWiTEhhhNf4oLR8lR frSg== X-Forwarded-Encrypted: i=1; AJvYcCW1fiDPsBHqllxshaxrHFviclybJISDF5k/MB8gyS+5HE7ABEhuet9k9EEvofhODRmF+dJ1e1wzbNdOBc4=@vger.kernel.org X-Gm-Message-State: AOJu0YyX7nWrrdwS8MXpcTqQQvHOLrr3Elozx7iEu2wbLw6zrInMx4Ui xSQSWjhrhUeoOLhkZdUClb15UJKyVuCV/N0Ov/fRUyoYqEHF9RbhVEczsxOtH7DFLGhaqH5kbrx sqp4hw32DNwJFHepqTeVgFpzq8X8cF44VydNfuxH3DZ9nSJveJJlS+N9QhV8= Precedence: bulk X-Mailing-List: linux-serial@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:488c:b0:663:3ad:4c2d with SMTP id 006d021491bc7-66303ad4c73mr1541410eaf.60.1769687488551; Thu, 29 Jan 2026 03:51:28 -0800 (PST) Date: Thu, 29 Jan 2026 03:51:28 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <697b49c0.a70a0220.9914.001b.GAE@google.com> Subject: [syzbot] Monthly serial report (Jan 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, 1 new issues were detected and 0 were fixed. In total, 15 issues are still open and 45 have already been fixed. Some of the still happening issues: Ref Crashes Repro Title <1> 3669 Yes possible deadlock in console_lock_spinning_enable (5) https://syzkaller.appspot.com/bug?extid=622acb507894a48b2ce9 <2> 3002 Yes KMSAN: uninit-value in n_tty_receive_buf_standard https://syzkaller.appspot.com/bug?extid=559c7fe4b8bac56d38c2 <3> 265 Yes KASAN: slab-use-after-free Read in tty_write_room (2) https://syzkaller.appspot.com/bug?extid=2a81fdd5c6ddffee3894 <4> 261 Yes KMSAN: uninit-value in n_tty_receive_buf_closing (3) https://syzkaller.appspot.com/bug?extid=dd514b5f0cf048aec256 <5> 238 Yes INFO: task can't die in show_free_areas https://syzkaller.appspot.com/bug?extid=8f41dccfb6c03cc36fd6 <6> 120 Yes possible deadlock in tty_buffer_flush (3) https://syzkaller.appspot.com/bug?extid=52cf91760dcb1dac6376 <7> 53 No KMSAN: uninit-value in n_tty_lookahead_flow_ctrl (2) https://syzkaller.appspot.com/bug?extid=290abdcd4f509377a0eb <8> 18 Yes INFO: rcu detected stall in console_callback https://syzkaller.appspot.com/bug?extid=32af18ae7b894a681f2d <9> 6 Yes INFO: task hung in paste_selection (2) https://syzkaller.appspot.com/bug?extid=275e275bd3f536725dd8 <10> 3 No possible deadlock in stop_tty https://syzkaller.appspot.com/bug?extid=7ca5a40e8164fe2609fd --- 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.