[syzbot] Monthly kernfs report (Jun 2025)

[syzbot]

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, 3 new issues were detected and 0 were fixed.
In total, 22 issues are still open and 23 have already been fixed.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  406     Yes   WARNING in kernfs_remove_by_name_ns (3)
                   https://syzkaller.appspot.com/bug?extid=93cbdd0ab421adc5275d
<2>  383     Yes   WARNING in kernfs_get (5)
                   https://syzkaller.appspot.com/bug?extid=2f44671e54488d20f0e6
<3>  347     No    possible deadlock in lookup_slow (3)
                   https://syzkaller.appspot.com/bug?extid=65459fd3b61877d717a3
<4>  108     Yes   INFO: task hung in kernfs_dop_revalidate (4)
                   https://syzkaller.appspot.com/bug?extid=da20d108162166514db6
<5>  66      Yes   INFO: task hung in kernfs_add_one
                   https://syzkaller.appspot.com/bug?extid=e4804edf2708e8b7d2a5
<6>  47      Yes   possible deadlock in kernfs_iop_getattr
                   https://syzkaller.appspot.com/bug?extid=4bb2305559463e8f6a2a
<7>  29      Yes   WARNING in kernfs_new_node (3)
                   https://syzkaller.appspot.com/bug?extid=306212936b13e520679d
<8>  26      No    possible deadlock in kernfs_fop_readdir
                   https://syzkaller.appspot.com/bug?extid=8fd10d8928ed1f715290
<9>  26      Yes   possible deadlock in walk_component (4)
                   https://syzkaller.appspot.com/bug?extid=b4567a8b2d2ad5f9dd06
<10> 22      Yes   INFO: task hung in kernfs_remove_by_name_ns (2)
                   https://syzkaller.appspot.com/bug?extid=6d5664213a6db9a5a72c

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