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From: patchwork-bot+netdevbpf@kernel.org
To: YiFei Zhu <zhuyifei@google.com>
Cc: bpf@vger.kernel.org, alexei.starovoitov@gmail.com,
	jinghao7@illinois.edu, daniel@iogearbox.net, ast@kernel.org,
	andrii@kernel.org, song@kernel.org, sdf@google.com,
	jdz@google.com, jannh@google.com, mvle@us.ibm.com,
	zohar@linux.ibm.com, tyxu.uiuc@gmail.com, security@kernel.org
Subject: Re: [PATCH bpf 1/2] bpf: Restrict bpf_sys_bpf to CAP_PERFMON
Date: Wed, 17 Aug 2022 22:30:14 +0000	[thread overview]
Message-ID: <166077541474.7079.5119695287194972054.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20220816205517.682470-1-zhuyifei@google.com>

Hello:

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

On Tue, 16 Aug 2022 20:55:16 +0000 you wrote:
> The verifier cannot perform sufficient validation of any pointers
> passed into bpf_attr and treats them as integers rather than pointers.
> The helper will then read from arbitrary pointers passed into it.
> Restrict the helper to CAP_PERFMON since the security model in
> BPF of arbitrary kernel read is CAP_BPF + CAP_PERFMON.
> 
> Fixes: af2ac3e13e45 ("bpf: Prepare bpf syscall to be used from kernel and user space.")
> Signed-off-by: YiFei Zhu <zhuyifei@google.com>
> 
> [...]

Here is the summary with links:
  - [bpf,1/2] bpf: Restrict bpf_sys_bpf to CAP_PERFMON
    https://git.kernel.org/bpf/bpf/c/14b20b784f59
  - [bpf,2/2] bpf: Add WARN_ON for recursive prog_run invocation
    (no matching commit)

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



      parent reply	other threads:[~2022-08-17 22:30 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-16 20:55 [PATCH bpf 1/2] bpf: Restrict bpf_sys_bpf to CAP_PERFMON YiFei Zhu
2022-08-16 20:55 ` [PATCH bpf 2/2] bpf: Add WARN_ON for recursive prog_run invocation YiFei Zhu
2022-08-17 22:30   ` Daniel Borkmann
2022-08-17 23:20     ` YiFei Zhu
2022-08-17 22:30 ` patchwork-bot+netdevbpf [this message]

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