linux-kernel - [syzbot] Monthly serial report (Sep 2025)

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Message-ID: <68d3e687.a70a0220.4f78.0026.GAE@google.com>
Date: Wed, 24 Sep 2025 05:39:35 -0700
From: syzbot <syzbot+list3b642417f17c4ad05039@...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 (Sep 2025)

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, 0 new issues were detected and 0 were fixed.
In total, 18 issues are still open and 44 have already been fixed.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  2398    Yes   possible deadlock in console_lock_spinning_enable (5)
                   https://syzkaller.appspot.com/bug?extid=622acb507894a48b2ce9
<2>  1662    Yes   KMSAN: uninit-value in n_tty_receive_buf_standard
                   https://syzkaller.appspot.com/bug?extid=559c7fe4b8bac56d38c2
<3>  398     Yes   BUG: soft lockup in tx
                   https://syzkaller.appspot.com/bug?extid=5e87db90e68fbc4707c6
<4>  219     Yes   INFO: task can't die in show_free_areas
                   https://syzkaller.appspot.com/bug?extid=8f41dccfb6c03cc36fd6
<5>  210     Yes   KASAN: slab-use-after-free Read in tty_write_room (2)
                   https://syzkaller.appspot.com/bug?extid=2a81fdd5c6ddffee3894
<6>  167     Yes   KMSAN: uninit-value in n_tty_receive_buf_closing (3)
                   https://syzkaller.appspot.com/bug?extid=dd514b5f0cf048aec256
<7>  105     Yes   possible deadlock in tty_buffer_flush (3)
                   https://syzkaller.appspot.com/bug?extid=52cf91760dcb1dac6376
<8>  31      No    KMSAN: uninit-value in gsmld_receive_buf
                   https://syzkaller.appspot.com/bug?extid=2f64914d6a3a8ce91bdd
<9>  31      No    KMSAN: uninit-value in n_tty_lookahead_flow_ctrl (2)
                   https://syzkaller.appspot.com/bug?extid=290abdcd4f509377a0eb
<10> 18      Yes   INFO: rcu detected stall in console_callback
                   https://syzkaller.appspot.com/bug?extid=32af18ae7b894a681f2d

---
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