[syzbot] Monthly nilfs report (May 2023)

[syzbot]

Hello nilfs maintainers/developers,

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

During the period, 1 new issues were detected and 3 were fixed.
In total, 14 issues are still open and 29 have been fixed so far.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 718     Yes   WARNING in nilfs_btree_assign
                  https://syzkaller.appspot.com/bug?extid=31837fe952932efc8fb9
<2> 324     Yes   WARNING in nilfs_sufile_set_segment_usage
                  https://syzkaller.appspot.com/bug?extid=14e9f834f6ddecece094
<3> 203     No    INFO: task hung in path_openat (7)
                  https://syzkaller.appspot.com/bug?extid=950a0cdaa2fdd14f5bdc
<4> 60      Yes   INFO: task hung in nilfs_detach_log_writer
                  https://syzkaller.appspot.com/bug?extid=e3973c409251e136fdd0
<5> 31      Yes   kernel BUG in folio_end_writeback
                  https://syzkaller.appspot.com/bug?extid=7e5cf1d80677ec185e63
<6> 3       Yes   general protection fault in folio_create_empty_buffers
                  https://syzkaller.appspot.com/bug?extid=0ad741797f4565e7e2d2

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