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

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Message-ID: <6881fdb9.a00a0220.2f88df.001b.GAE@google.com>
Date: Thu, 24 Jul 2025 02:32:41 -0700
From: syzbot <syzbot+listd7b384ba0689e09274cf@...kaller.appspotmail.com>
To: abbotti@....co.uk, hsweeten@...ionengravers.com, 
	linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: [syzbot] Monthly comedi report (Jul 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, 14 new issues were detected and 4 were fixed.
In total, 14 issues are still open and 4 have already been fixed.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 377     Yes   general protection fault in pcl818_ai_cancel
                  https://syzkaller.appspot.com/bug?extid=fce5d9d5bd067d6fbe9b
<2> 190     Yes   BUG: unable to handle kernel paging request in subdev_8255_io
                  https://syzkaller.appspot.com/bug?extid=f7ad508e3c76c097483f
<3> 103     Yes   BUG: unable to handle kernel paging request in parport_attach
                  https://syzkaller.appspot.com/bug?extid=c47f45cfb7fc1640ced7
<4> 77      Yes   UBSAN: shift-out-of-bounds in pcl726_attach
                  https://syzkaller.appspot.com/bug?extid=5cd373521edd68bebcb3
<5> 56      Yes   UBSAN: shift-out-of-bounds in aio_iiro_16_attach
                  https://syzkaller.appspot.com/bug?extid=f1bb7e4ea47ea12b535c
<6> 15      No    divide error in comedi_inc_scan_progress
                  https://syzkaller.appspot.com/bug?extid=af53dea94b16396bc646
<7> 12      Yes   INFO: trying to register non-static key in waveform_detach
                  https://syzkaller.appspot.com/bug?extid=eec47f88bae8951c6afd
<8> 7       No    divide error in comedi_buf_write_free
                  https://syzkaller.appspot.com/bug?extid=f6c3c066162d2c43a66c
<9> 3       No    WARNING in comedi_compat_ioctl
                  https://syzkaller.appspot.com/bug?extid=6048f8e5da91c7055339

---
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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