linux-kernel - [GIT PULL] seccomp fixes for v5.9-rc5

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Message-ID: <202009111718.B94EAD7@keescook>
Date:   Fri, 11 Sep 2020 17:20:02 -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>,
        syzbot+3ad9614a12f80994c32e@...kaller.appspotmail.com,
        Tycho Andersen <tycho@...ho.pizza>
Subject: [GIT PULL] seccomp fixes for v5.9-rc5

Hi Linus,

Please pull these seccomp fixes for v5.9-rc5. This fixes a rare race
condition in seccomp when using TSYNC and USER_NOTIF together where a
memory allocation would not get freed (found by syzkaller, fixed by
Tycho). Additionally updates Tycho's MAINTAINERS and .mailmap entries
for his new address.

Thanks!

-Kees

The following changes since commit d012a7190fc1fd72ed48911e77ca97ba4521bccd:

  Linux 5.9-rc2 (2020-08-23 14:08:43 -0700)

are available in the Git repository at:

  https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git tags/seccomp-v5.9-rc5

for you to fetch changes up to e839317900e9f13c83d8711d684de88c625b307a:

  seccomp: don't leave dangling ->notif if file allocation fails (2020-09-08 11:30:16 -0700)

----------------------------------------------------------------
seccomp fixes for v5.9-rc5

- Fix memory resource leak of user_notif under TSYNC race (Tycho Andersen)

----------------------------------------------------------------
Tycho Andersen (3):
      seccomp: don't leak memory when filter install races
      mailmap, MAINTAINERS: move to tycho.pizza
      seccomp: don't leave dangling ->notif if file allocation fails

 .mailmap         |  1 +
 MAINTAINERS      |  2 +-
 kernel/seccomp.c | 24 ++++++++++++++++++------
 3 files changed, 20 insertions(+), 7 deletions(-)

-- 
Kees Cook