[GIT PULL] seccomp fixes for v5.13-rc4

[Kees Cook]

Hi Linus,

Please pull these seccomp fixes for v5.13-rc4. This fixes a hard-to-hit
race condition in the addfd user_notif feature of seccomp, visible since
v5.9.

Thanks!

-Kees

The following changes since commit d07f6ca923ea0927a1024dfccafc5b53b61cfecc:

  Linux 5.13-rc2 (2021-05-16 15:27:44 -0700)

are available in the Git repository at:

  https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git tags/seccomp-fixes-v5.13-rc4

for you to fetch changes up to ddc473916955f7710d1eb17c1273d91c8622a9fe:

  seccomp: Refactor notification handler to prepare for new semantics (2021-05-29 11:13:27 -0700)

----------------------------------------------------------------
seccomp fixes for v5.13-rc4

- Fix addfd notification race condition (Sargun Dhillon)

----------------------------------------------------------------
Sargun Dhillon (2):
      Documentation: seccomp: Fix user notification documentation
      seccomp: Refactor notification handler to prepare for new semantics

 Documentation/userspace-api/seccomp_filter.rst | 16 +++++++-------
 kernel/seccomp.c                               | 30 ++++++++++++++------------
 2 files changed, 24 insertions(+), 22 deletions(-)

-- 
Kees Cook