[syzbot] Monthly fs report (May 2023)

[syzbot]

Hello fs maintainers/developers,

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

During the period, 7 new issues were detected and 0 were fixed.
In total, 66 issues are still open and 321 have been fixed so far.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 1895    Yes   BUG: sleeping function called from invalid context in __getblk_gfp
                  https://syzkaller.appspot.com/bug?extid=69b40dc5fd40f32c199f
<2> 1768    Yes   WARNING in firmware_fallback_sysfs
                  https://syzkaller.appspot.com/bug?extid=95f2e2439b97575ec3c0
<3> 179     Yes   BUG: sleeping function called from invalid context in __bread_gfp
                  https://syzkaller.appspot.com/bug?extid=5869fb71f59eac925756
<4> 80      No    possible deadlock in quotactl_fd
                  https://syzkaller.appspot.com/bug?extid=cdcd444e4d3a256ada13
<5> 37      Yes   INFO: task hung in filename_create (4)
                  https://syzkaller.appspot.com/bug?extid=72c5cf124089bc318016
<6> 13      Yes   INFO: rcu detected stall in sys_clock_adjtime
                  https://syzkaller.appspot.com/bug?extid=25b7addb06e92c482190
<7> 5       No    BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio (2)
                  https://syzkaller.appspot.com/bug?extid=41ee2d2dcc4fc2f2f60c
<8> 5       No    possible deadlock in evdev_pass_values (2)
                  https://syzkaller.appspot.com/bug?extid=13d3cb2a3dc61e6092f5
<9> 1       Yes   INFO: rcu detected stall in sys_newfstatat (4)
                  https://syzkaller.appspot.com/bug?extid=1c02a56102605204445c

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