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

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Message-ID: <68076b56.050a0220.8500a.0008.GAE@google.com>
Date: Tue, 22 Apr 2025 03:11:34 -0700
From: syzbot <syzbot+listc66c817e68b1f949e1db@...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 (Apr 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> 1002    Yes   KMSAN: uninit-value in n_tty_receive_buf_standard
                  https://syzkaller.appspot.com/bug?extid=559c7fe4b8bac56d38c2
<2> 186     Yes   INFO: task can't die in show_free_areas
                  https://syzkaller.appspot.com/bug?extid=8f41dccfb6c03cc36fd6
<3> 140     Yes   KASAN: slab-use-after-free Read in tty_write_room (2)
                  https://syzkaller.appspot.com/bug?extid=2a81fdd5c6ddffee3894
<4> 102     Yes   KMSAN: uninit-value in n_tty_receive_buf_closing (3)
                  https://syzkaller.appspot.com/bug?extid=dd514b5f0cf048aec256
<5> 90      Yes   BUG: soft lockup in tx
                  https://syzkaller.appspot.com/bug?extid=5e87db90e68fbc4707c6
<6> 54      Yes   possible deadlock in tty_buffer_flush (3)
                  https://syzkaller.appspot.com/bug?extid=52cf91760dcb1dac6376
<7> 22      No    KMSAN: uninit-value in gsmld_receive_buf
                  https://syzkaller.appspot.com/bug?extid=2f64914d6a3a8ce91bdd
<8> 18      No    KMSAN: uninit-value in n_tty_lookahead_flow_ctrl (2)
                  https://syzkaller.appspot.com/bug?extid=290abdcd4f509377a0eb
<9> 6       Yes   INFO: task hung in paste_selection (2)
                  https://syzkaller.appspot.com/bug?extid=275e275bd3f536725dd8

---
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