[syzbot] Monthly exfat report (Jul 2025)

[syzbot]

Hello exfat maintainers/developers,

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

During the period, 2 new issues were detected and 0 were fixed.
In total, 8 issues are still open and 35 have already been fixed.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 403     Yes   WARNING in rcu_sync_dtor (2)
                  https://syzkaller.appspot.com/bug?extid=823cd0d24881f21ab9f1
<2> 60      Yes   INFO: task hung in vfs_unlink (5)
                  https://syzkaller.appspot.com/bug?extid=6983c03a6a28616e362f
<3> 14      Yes   WARNING in fanotify_handle_event (2)
                  https://syzkaller.appspot.com/bug?extid=318aab2cf26bb7d40228
<4> 13      Yes   kernel BUG in folio_set_bh
                  https://syzkaller.appspot.com/bug?extid=f4f84b57a01d6b8364ad
<5> 5       Yes   INFO: task hung in lock_two_directories (4)
                  https://syzkaller.appspot.com/bug?extid=1bfacdf603474cfa86bd

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