linux-kernel - Re: [PATCH bpf] security: Fix the default value of fs_context_parse

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Message-ID: <e935994c-baca-21c1-1b4e-1943c20e24dd@linux.intel.com>
Date:   Fri, 1 May 2020 10:30:56 +0300
From:   Mikko Ylinen <mikko.ylinen@...ux.intel.com>
To:     KP Singh <kpsingh@...omium.org>, linux-kernel@...r.kernel.org,
        bpf@...r.kernel.org, linux-security-module@...r.kernel.org
Cc:     Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        James Morris <jmorris@...ei.org>,
        Kees Cook <keescook@...omium.org>, Jann Horn <jannh@...gle.com>
Subject: Re: [PATCH bpf] security: Fix the default value of
 fs_context_parse_param hook



On 30/04/2020 18:52, KP Singh wrote:
> This was noticed when lsm=bpf is supplied on the command line before any
> other LSM. As the bpf lsm uses this default value to implement a default
> hook, this resulted in a failure to parse any fs_context parameters and
> a failure to mount the root filesystem.

Tested-by: Mikko Ylinen <mikko.ylinen@...ux.intel.com>