[syzbot] Monthly kernfs report (Mar 2025)

[syzbot] Monthly kernfs report (Mar 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, 1 new issues were detected and 0 were fixed.
In total, 24 issues are still open and 21 have already been fixed.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  3800    Yes   possible deadlock in __kernfs_remove (2)
                   https://syzkaller.appspot.com/bug?extid=aa419d82b68e6a7e96c5
<2>  391     Yes   INFO: task hung in evict (2)
                   https://syzkaller.appspot.com/bug?extid=65b1e2d8f2d618a93e96
<3>  357     Yes   WARNING in kernfs_remove_by_name_ns (3)
                   https://syzkaller.appspot.com/bug?extid=93cbdd0ab421adc5275d
<4>  343     No    possible deadlock in lookup_slow (3)
                   https://syzkaller.appspot.com/bug?extid=65459fd3b61877d717a3
<5>  303     Yes   WARNING in kernfs_get (5)
                   https://syzkaller.appspot.com/bug?extid=2f44671e54488d20f0e6
<6>  97      Yes   INFO: task hung in kernfs_dop_revalidate (4)
                   https://syzkaller.appspot.com/bug?extid=da20d108162166514db6
<7>  36      Yes   INFO: task hung in do_rmdir (6)
                   https://syzkaller.appspot.com/bug?extid=4128a26fb0f85ec9e76c
<8>  28      No    possible deadlock in kernfs_fop_write_iter (2)
                   https://syzkaller.appspot.com/bug?extid=1cfd86253864f61b533e
<9>  22      Yes   WARNING in kernfs_new_node (3)
                   https://syzkaller.appspot.com/bug?extid=306212936b13e520679d
<10> 17      Yes   possible deadlock in walk_component (4)
                   https://syzkaller.appspot.com/bug?extid=b4567a8b2d2ad5f9dd06

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