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

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Message-Id: <20211210234805.39861-1-ebiggers@kernel.org>
Date:   Fri, 10 Dec 2021 15:48:00 -0800
From:   Eric Biggers <ebiggers@...nel.org>
To:     stable@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH 5.10 0/5] aio poll fixes for 5.10

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