[syzbot] Monthly serial report (Jun 2026)

[syzbot]

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, 16 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> 196 No possible deadlock in kbd_event
https://syzkaller.appspot.com/bug?extid=781c8bb5e4d62cc883d3
<2> 62 No KMSAN: uninit-value in n_tty_lookahead_flow_ctrl (2)
https://syzkaller.appspot.com/bug?extid=290abdcd4f509377a0eb
<3> 10 No KASAN: slab-use-after-free Read in kbd_event (2)
https://syzkaller.appspot.com/bug?extid=098cefc0911c68db5dab
<4> 3701 Yes KMSAN: uninit-value in n_tty_receive_buf_standard
https://syzkaller.appspot.com/bug?extid=559c7fe4b8bac56d38c2
<5> 359 Yes KMSAN: uninit-value in n_tty_receive_buf_closing (3)
https://syzkaller.appspot.com/bug?extid=dd514b5f0cf048aec256
<6> 137 Yes possible deadlock in tty_buffer_flush (3)
https://syzkaller.appspot.com/bug?extid=52cf91760dcb1dac6376

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