Re: [PATCH 0/3] iopoll fixes

From: Pavel Begunkov
Date: Wed Jun 24 2020 - 13:04:35 EST


On 24/06/2020 19:50, Pavel Begunkov wrote:
> Did more comprehensive iopoll testing and found some more problems.
>
> [1] is from the previous series. Actually, v2 for this one, addressing
> the double-reissue bug found by Jens. It maybe not as efficient, but
> simple and easy to backport.
>
> [2,3] current->mm NULL deref

And yet there are issues left... I'll resend

>
> Pavel Begunkov (3):
> io_uring: fix hanging iopoll in case of -EAGAIN
> io_uring: fix current->mm NULL dereference on exit
> io_uring: fix NULL-mm for linked reqs
>
> fs/io_uring.c | 33 ++++++++++++++++++++++-----------
> 1 file changed, 22 insertions(+), 11 deletions(-)
>

--
Pavel Begunkov