Pull io_uring fixes from Jens Axboe:
"A few minor fixes:
- Fix an issue with hashed wait removal on exit (Zqiang, Pavel)
- Fix a recent data race introduced in this series (Marco)"
* tag 'io_uring-5.13-2021-05-28' of git://git.kernel.dk/linux-block:
io_uring: fix data race to avoid potential NULL-deref
io-wq: Fix UAF when wakeup wqe in hash waitqueue
io_uring/io-wq: close io-wq full-stop gap