[syzbot] Monthly fat report

[syzbot]

Hello fat maintainers/developers,

This is a 30-day syzbot report for the fat subsystem.
All related reports/information can be found at:
https://syzkaller.appspot.com/upstream/s/fat

During the period, 3 new issues were detected and 0 were fixed.
In total, 28 issues are still open and 21 have been fixed so far.

Some of the still happening issues:

Crashes Repro Title
183     Yes   possible deadlock in filemap_fault
              https://syzkaller.appspot.com/bug?extid=7736960b837908f3a81d
180     Yes   kernel BUG at fs/buffer.c:LINE!
              https://syzkaller.appspot.com/bug?extid=cfed5b56649bddf80d6e
154     Yes   possible deadlock in exfat_get_block
              https://syzkaller.appspot.com/bug?extid=247e66a2c3ea756332c7
121     Yes   possible deadlock in exfat_iterate
              https://syzkaller.appspot.com/bug?extid=38655f1298fefc58a904
55      Yes   possible deadlock in exc_page_fault
              https://syzkaller.appspot.com/bug?extid=6d274a5dc4fa0974d4ad
20      Yes   INFO: task hung in exfat_write_inode
              https://syzkaller.appspot.com/bug?extid=2f73ed585f115e98aee8
1       Yes   general protection fault in timerqueue_add (4)
              https://syzkaller.appspot.com/bug?extid=21f2b8753d8bfc6bb816

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