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

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Message-ID: <202105291116.B0B7D78D8@keescook>
Date:   Sat, 29 May 2021 11:16:59 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     linux-kernel@...r.kernel.org,
        Christian Brauner <christian.brauner@...ntu.com>,
        Kees Cook <keescook@...omium.org>,
        Rodrigo Campos <rodrigo@...volk.io>,
        Sargun Dhillon <sargun@...gun.me>,
        Tycho Andersen <tycho@...ho.pizza>
Subject: [GIT PULL] seccomp fixes for v5.13-rc4

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