io_uring-6.6-2023-10-06

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Merge tag 'io_uring-6.6-2023-10-06' of git://git.kernel.dk/linux

Pull io_uring fixes from Jens Axboe:

 - syzbot report on a crash on 32-bit arm with highmem, and went digging
   to check for potentially similar issues and found one more (me)

 - Fix a syzbot report with PROVE_LOCKING=y and setting up the ring in a
   disabled state (me)

 - Fix for race with CPU hotplut and io-wq init (Jeff)

* tag 'io_uring-6.6-2023-10-06' of git://git.kernel.dk/linux:
  io-wq: fully initialize wqe before calling cpuhp_state_add_instance_nocalls()
  io_uring: don't allow IORING_SETUP_NO_MMAP rings on highmem pages
  io_uring: ensure io_lockdep_assert_cq_locked() handles disabled rings
  io_uring/kbuf: don't allow registered buffer rings on highmem pages

...

This commit is contained in:

Linus Torvalds 2023-10-06 15:41:18 -07:00

parent af95dc6fdc 0f8baa3c98

commit a88c386947

4 changed files with 65 additions and 29 deletions

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10

io_uring/io-wq.c

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16

io_uring/io_uring.c

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41

io_uring/io_uring.h

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27

io_uring/kbuf.c

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