[syzbot] Monthly kernfs report (May 2024)

[syzbot] Monthly kernfs report (May 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, 2 new issues were detected and 0 were fixed.
In total, 14 issues are still open and 20 have been fixed so far.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 2916    Yes   possible deadlock in input_event (2)
                  https://syzkaller.appspot.com/bug?extid=d4c06e848a1c1f9f726f
<2> 282     No    possible deadlock in lookup_slow (3)
                  https://syzkaller.appspot.com/bug?extid=65459fd3b61877d717a3
<3> 246     Yes   WARNING in kernfs_remove_by_name_ns (3)
                  https://syzkaller.appspot.com/bug?extid=93cbdd0ab421adc5275d
<4> 40      Yes   INFO: rcu detected stall in sys_openat (3)
                  https://syzkaller.appspot.com/bug?extid=23d96fb466ad56cbb5e5
<5> 39      No    INFO: task hung in do_renameat2 (2)
                  https://syzkaller.appspot.com/bug?extid=39a12f7473ed8066d2ca
<6> 5       Yes   possible deadlock in kernfs_seq_start
                  https://syzkaller.appspot.com/bug?extid=4c493dcd5a68168a94b2
<7> 2       Yes   INFO: task hung in kernfs_remove_by_name_ns (2)
                  https://syzkaller.appspot.com/bug?extid=6d5664213a6db9a5a72c

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