Re: [PATCH v3 0/5] aio: fix use-after-free and missing wakeups

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On Thu, Dec 09, 2021 at 10:00:50AM -0800, Linus Torvalds wrote:
> On Wed, Dec 8, 2021 at 5:06 PM Eric Biggers <ebiggers@xxxxxxxxxx> wrote:
> >
> > Careful review is appreciated; the aio poll code is very hard to work
> > with, and it doesn't appear to have many tests.  I've verified that it
> > passes the libaio test suite, which provides some coverage of poll.
> >
> > Note, it looks like io_uring has the same bugs as aio poll.  I haven't
> > tried to fix io_uring.
> 
> I'm hoping Jens is looking at the io_ring case, but I'm also assuming
> that I'll just get a pull request for this at some point.
> 
> It looks sane to me - my only internal cursing has been about epoll
> and aio in general, not about these patches in particular.

I was hoping that Al would review and apply these, given that he's listed as the
maintainer for this file, and he's worked on this code before.  I was also
hoping for review from Christoph, since he added IOCB_CMD_POLL originally.  But
yes, if I don't hear anything I'll just send you a pull request.  I might
include https://lore.kernel.org/r/20210913111928.98-1-xieyongji@xxxxxxxxxxxxx
too, since it's an obviously correct aio fix which has been ignored for months.

- Eric



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