[syzbot] Monthly io-uring report (Apr 2023)

[syzbot]

Hello io-uring maintainers/developers,

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

During the period, 0 new issues were detected and 0 were fixed.
In total, 18 issues are still open and 88 have been fixed so far.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 3549    Yes   WARNING in io_ring_exit_work
                  https://syzkaller.appspot.com/bug?extid=00e15cda746c5bc70e24
<2> 3291    Yes   general protection fault in try_to_wake_up (2)
                  https://syzkaller.appspot.com/bug?extid=b4a81dc8727e513f364d
<3> 783     Yes   INFO: task hung in io_ring_exit_work
                  https://syzkaller.appspot.com/bug?extid=93f72b3885406bb09e0d
<4> 582     Yes   KMSAN: uninit-value in io_req_cqe_overflow
                  https://syzkaller.appspot.com/bug?extid=12dde80bf174ac8ae285
<5> 75      Yes   INFO: task hung in io_wq_put_and_exit (3)
                  https://syzkaller.appspot.com/bug?extid=adb05ed2853417be49ce

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