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

From: Greg KH
Date: Sun Dec 12 2021 - 08:55:04 EST


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