[syzbot] Monthly serial report (Apr 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, 0 new issues were detected and 0 were fixed.
In total, 19 issues are still open and 48 have already been fixed.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 3911    Yes   possible deadlock in console_lock_spinning_enable (5)
                  https://syzkaller.appspot.com/bug?extid=622acb507894a48b2ce9
<2> 3418    Yes   KMSAN: uninit-value in n_tty_receive_buf_standard
                  https://syzkaller.appspot.com/bug?extid=559c7fe4b8bac56d38c2
<3> 310     Yes   KMSAN: uninit-value in n_tty_receive_buf_closing (3)
                  https://syzkaller.appspot.com/bug?extid=dd514b5f0cf048aec256
<4> 250     Yes   INFO: task can't die in show_free_areas
                  https://syzkaller.appspot.com/bug?extid=8f41dccfb6c03cc36fd6
<5> 151     No    possible deadlock in kbd_event
                  https://syzkaller.appspot.com/bug?extid=781c8bb5e4d62cc883d3
<6> 126     Yes   possible deadlock in tty_buffer_flush (3)
                  https://syzkaller.appspot.com/bug?extid=52cf91760dcb1dac6376
<7> 9       No    KASAN: slab-out-of-bounds Write in do_con_write (3)
                  https://syzkaller.appspot.com/bug?extid=8e9c1abac3ceb45abffe

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