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From: patchwork-bot+netdevbpf@kernel•org
To: Jiri Olsa <jolsa@redhat•com>
Cc: ast@kernel•org, daniel@iogearbox•net, andrii@kernel•org,
	joamaki@gmail•com, haliu@redhat•com, netdev@vger•kernel.org,
	bpf@vger•kernel.org, kafai@fb•com, songliubraving@fb•com,
	yhs@fb•com, john.fastabend@gmail•com, kpsingh@chromium•org
Subject: Re: [PATCH] bpf/selftests: Fix namespace mount setup in tc_redirect
Date: Wed, 05 Jan 2022 12:40:16 +0000	[thread overview]
Message-ID: <164138641619.6231.12315835333755803519.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20220104121030.138216-1-jolsa@kernel.org>

Hello:

This patch was applied to bpf/bpf-next.git (master)
by Daniel Borkmann <daniel@iogearbox•net>:

On Tue,  4 Jan 2022 13:10:30 +0100 you wrote:
> The tc_redirect umounts /sys in the new namespace, which can be
> mounted as shared and cause global umount. The lazy umount also
> takes down mounted trees under /sys like debugfs, which won't be
> available after sysfs mounts again and could cause fails in other
> tests.
> 
>   # cat /proc/self/mountinfo | grep debugfs
>   34 23 0:7 / /sys/kernel/debug rw,nosuid,nodev,noexec,relatime shared:14 - debugfs debugfs rw
>   # cat /proc/self/mountinfo | grep sysfs
>   23 86 0:22 / /sys rw,nosuid,nodev,noexec,relatime shared:2 - sysfs sysfs rw
>   # mount | grep debugfs
>   debugfs on /sys/kernel/debug type debugfs (rw,nosuid,nodev,noexec,relatime)
> 
> [...]

Here is the summary with links:
  - bpf/selftests: Fix namespace mount setup in tc_redirect
    https://git.kernel.org/bpf/bpf-next/c/5e22dd186267

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
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next prev parent reply	other threads:[~2022-01-05 12:40 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-04 12:10 [PATCH] bpf/selftests: Fix namespace mount setup in tc_redirect Jiri Olsa
2022-01-05 12:40 ` patchwork-bot+netdevbpf [this message]
2022-01-05 20:40 ` Andrii Nakryiko
2022-01-06  7:35   ` Jiri Olsa
2022-01-17 19:25     ` Jiri Olsa
2022-01-19  3:48       ` Andrii Nakryiko

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