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

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Message-ID: <6880b3a9.050a0220.40ccf.0002.GAE@google.com>
Date: Wed, 23 Jul 2025 03:04:25 -0700
From: syzbot <syzbot+listbd47593dbaa9c88b91d7@...kaller.appspotmail.com>
To: gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com, tj@...nel.org
Subject: [syzbot] Monthly kernfs report (Jul 2025)

Hello kernfs maintainers/developers,

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

During the period, 0 new issues were detected and 0 were fixed.
In total, 20 issues are still open and 23 have already been fixed.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  422     Yes   WARNING in kernfs_get (5)
                   https://syzkaller.appspot.com/bug?extid=2f44671e54488d20f0e6
<2>  422     Yes   WARNING in kernfs_remove_by_name_ns (3)
                   https://syzkaller.appspot.com/bug?extid=93cbdd0ab421adc5275d
<3>  353     No    possible deadlock in lookup_slow (3)
                   https://syzkaller.appspot.com/bug?extid=65459fd3b61877d717a3
<4>  113     Yes   INFO: task hung in kernfs_dop_revalidate (4)
                   https://syzkaller.appspot.com/bug?extid=da20d108162166514db6
<5>  68      No    possible deadlock in kernfs_fop_write_iter (2)
                   https://syzkaller.appspot.com/bug?extid=1cfd86253864f61b533e
<6>  33      Yes   WARNING in kernfs_new_node (3)
                   https://syzkaller.appspot.com/bug?extid=306212936b13e520679d
<7>  32      Yes   possible deadlock in walk_component (4)
                   https://syzkaller.appspot.com/bug?extid=b4567a8b2d2ad5f9dd06
<8>  25      Yes   INFO: task hung in kernfs_remove_by_name_ns (2)
                   https://syzkaller.appspot.com/bug?extid=6d5664213a6db9a5a72c
<9>  22      Yes   possible deadlock in kernfs_seq_start
                   https://syzkaller.appspot.com/bug?extid=4c493dcd5a68168a94b2
<10> 10      Yes   INFO: task hung in pipe_write (6)
                   https://syzkaller.appspot.com/bug?extid=5984e31a805252b3b40a

---
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