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From: Josef <[email protected]>
To: Jens Axboe <[email protected]>, io-uring <[email protected]>,
	Pavel Begunkov <[email protected]>
Cc: [email protected]
Subject: Re: [PATCH 5.11] io_uring: NULL files dereference by SQPOLL
Date: Sun, 8 Nov 2020 07:50:35 +0100	[thread overview]
Message-ID: <CAAss7+oBjNfFXV8O5DaLB0ih6EvcmSE=4V9bB5g2RY0R1oXftw@mail.gmail.com> (raw)
In-Reply-To: <CAAss7+r+DFTBcLzZhRoJ_p839nro6GKawh=te1wHPkhK9Nw4hQ@mail.gmail.com>

> Josef, could you try this one?

the null files dereference error no longer occurs, but after a certain
point in time the OP_READ operation always returns -EFAULT

BTW forgot to mention that the NULL files dereference error only
occurs when OP_READ returns a -EFAULT

On Sun, 8 Nov 2020 at 03:09, Josef <[email protected]> wrote:
>
> > Josef, could you try this one?
>
> it's weird I couldn't apply this patch..did you pull
> for-5.11/io_uring? I'm gonna try manually
>
> ---
> Josef Grieb

  reply	other threads:[~2020-11-08  6:50 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-07 21:16 [PATCH 5.11] io_uring: NULL files dereference by SQPOLL Pavel Begunkov
2020-11-07 21:18 ` Pavel Begunkov
2020-11-07 21:54   ` Pavel Begunkov
2020-11-07 22:28     ` Jens Axboe
2020-11-07 22:47       ` Pavel Begunkov
2020-11-07 23:18         ` Jens Axboe
2020-11-08  2:09           ` Josef
2020-11-08  6:50             ` Josef [this message]
2020-11-08 11:39               ` Pavel Begunkov
2020-11-08 11:31             ` Pavel Begunkov
2020-11-08 11:24           ` Pavel Begunkov
2020-11-07 22:30 ` Jens Axboe
2020-11-07 22:49   ` Pavel Begunkov
2020-11-07 23:17     ` Jens Axboe
  -- strict thread matches above, loose matches on Subject: below --
2020-11-08 12:55 Pavel Begunkov
2020-11-09 14:21 ` Jens Axboe

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