linux-kernel - [syzbot] Monthly comedi report (Aug 2025)

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Message-ID: <68ac2275.a00a0220.33401d.0403.GAE@google.com>
Date: Mon, 25 Aug 2025 01:44:37 -0700
From: syzbot <syzbot+list02c26f0910ca5bf8710a@...kaller.appspotmail.com>
To: abbotti@....co.uk, hsweeten@...ionengravers.com, 
	linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: [syzbot] Monthly comedi report (Aug 2025)

Hello comedi maintainers/developers,

This is a 31-day syzbot report for the comedi subsystem.
All related reports/information can be found at:
https://syzkaller.appspot.com/upstream/s/comedi

During the period, 1 new issues were detected and 2 were fixed.
In total, 11 issues are still open and 8 have already been fixed.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 4212    Yes   general protection fault in pcl818_ai_cancel
                  https://syzkaller.appspot.com/bug?extid=fce5d9d5bd067d6fbe9b
<2> 514     Yes   BUG: unable to handle kernel paging request in subdev_8255_io
                  https://syzkaller.appspot.com/bug?extid=f7ad508e3c76c097483f
<3> 234     Yes   BUG: unable to handle kernel paging request in parport_attach
                  https://syzkaller.appspot.com/bug?extid=c47f45cfb7fc1640ced7
<4> 32      No    divide error in comedi_buf_write_free
                  https://syzkaller.appspot.com/bug?extid=f6c3c066162d2c43a66c
<5> 12      Yes   INFO: task hung in comedi_open
                  https://syzkaller.appspot.com/bug?extid=7811bb68a317954a0347
<6> 8       No    BUG: unable to handle kernel NULL pointer dereference in parse_insn
                  https://syzkaller.appspot.com/bug?extid=ab8008c24e84adee93ff

---
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.

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