linux-kernel - Re: [PATCH 5.10 0/5] aio poll fixes for 5.10

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Date:   Sun, 12 Dec 2021 14:54:45 +0100
From:   Greg KH <greg@...ah.com>
To:     Eric Biggers <ebiggers@...nel.org>
Cc:     stable@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 5.10 0/5] aio poll fixes for 5.10

On Fri, Dec 10, 2021 at 03:48:00PM -0800, Eric Biggers wrote:
> Backport the aio poll fixes to 5.10.  This resolves a conflict in
> aio_poll_wake() in patch 4.  It's a "trivial" conflict, but I'm sending
> this to make sure it doesn't get dropped.
> 
> Eric Biggers (5):
>   wait: add wake_up_pollfree()
>   binder: use wake_up_pollfree()
>   signalfd: use wake_up_pollfree()
>   aio: keep poll requests on waitqueue until completed
>   aio: fix use-after-free due to missing POLLFREE handling
> 
>  drivers/android/binder.c        |  21 ++--
>  fs/aio.c                        | 184 ++++++++++++++++++++++++++------
>  fs/signalfd.c                   |  12 +--
>  include/linux/wait.h            |  26 +++++
>  include/uapi/asm-generic/poll.h |   2 +-
>  kernel/sched/wait.c             |   7 ++
>  6 files changed, 195 insertions(+), 57 deletions(-)
> 
> -- 
> 2.34.1
> 

Thanks for all of the backports, much appreciated and now queued up.

greg k-h