linux-kernel - Re: [PATCH 0/4 v3] seccomp: improve handling of SECCOMP_IOCTL_NOTIF

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Date: Fri, 28 Jun 2024 09:38:06 -0700
From: Kees Cook <kees@...nel.org>
To: Kees Cook <kees@...nel.org>,
	Andrei Vagin <avagin@...gle.com>
Cc: linux-kernel@...r.kernel.org,
	Tycho Andersen <tandersen@...flix.com>,
	Andy Lutomirski <luto@...capital.net>,
	Will Drewry <wad@...omium.org>,
	Oleg Nesterov <oleg@...hat.com>,
	Christian Brauner <brauner@...nel.org>
Subject: Re: [PATCH 0/4 v3] seccomp: improve handling of SECCOMP_IOCTL_NOTIF_RECV

On Fri, 28 Jun 2024 02:10:10 +0000, Andrei Vagin wrote:
> This patch set addresses two problems with the SECCOMP_IOCTL_NOTIF_RECV
> ioctl:
> * it doesn't return when the seccomp filter becomes unused (all tasks
>   have exited).
> * EPOLLHUP is triggered not when a task exits, but rather when its zombie
>   is collected.
> 
> [...]

Applied to for-next/seccomp, thanks!

[1/4] seccomp: interrupt SECCOMP_IOCTL_NOTIF_RECV when all users have exited
      https://git.kernel.org/kees/c/6dbfc08fd57a
[2/4] seccomp: release task filters when the task exits
      https://git.kernel.org/kees/c/13eb42e2529e
[3/4] selftests/seccomp: add test for NOTIF_RECV and unused filters
      https://git.kernel.org/kees/c/9b366d69118b
[4/4] selftests/seccomp: check that a zombie leader doesn't affect others
      https://git.kernel.org/kees/c/22cc0f3b4d0c

Take care,

-- 
Kees Cook