linux-kernel - [syzbot] Monthly serial report (Jan 2026)

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <697b49c0.a70a0220.9914.001b.GAE@google.com>
Date: Thu, 29 Jan 2026 03:51:28 -0800
From: syzbot <syzbot+listac358ce31459004989d9@...kaller.appspotmail.com>
To: gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org, 
	linux-serial@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: [syzbot] Monthly serial report (Jan 2026)

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@...glegroups.com.

To disable reminders for individual bugs, reply with the following command:
#syz set <Ref> no-reminders

To change bug's subsystems, reply with:
#syz set <Ref> subsystems: new-subsystem

You may send multiple commands in a single email message.