[syzbot] Monthly kernfs report (Oct 2024)

[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, 4 new issues were detected and 0 were fixed.
In total, 21 issues are still open and 21 have been fixed so far.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  264     Yes   WARNING in kernfs_remove_by_name_ns (3)
                   https://syzkaller.appspot.com/bug?extid=93cbdd0ab421adc5275d
<2>  183     No    possible deadlock in input_inject_event
                   https://syzkaller.appspot.com/bug?extid=79c403850e6816dc39cf
<3>  145     Yes   INFO: rcu detected stall in sys_openat (3)
                   https://syzkaller.appspot.com/bug?extid=23d96fb466ad56cbb5e5
<4>  92      Yes   WARNING in kernfs_get (5)
                   https://syzkaller.appspot.com/bug?extid=2f44671e54488d20f0e6
<5>  62      Yes   INFO: task hung in kernfs_dop_revalidate (4)
                   https://syzkaller.appspot.com/bug?extid=da20d108162166514db6
<6>  47      Yes   INFO: task hung in kernfs_add_one
                   https://syzkaller.appspot.com/bug?extid=e4804edf2708e8b7d2a5
<7>  44      Yes   INFO: task hung in fdget_pos
                   https://syzkaller.appspot.com/bug?extid=0ee1ef35cf7e70ce55d7
<8>  13      Yes   INFO: task hung in kernfs_remove_by_name_ns (2)
                   https://syzkaller.appspot.com/bug?extid=6d5664213a6db9a5a72c
<9>  7       Yes   INFO: rcu detected stall in kernfs_fop_read_iter (4)
                   https://syzkaller.appspot.com/bug?extid=c403e932e9c6662dd4f2
<10> 4       No    WARNING in kernfs_new_node (3)
                   https://syzkaller.appspot.com/bug?extid=306212936b13e520679d

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