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Re: [PATCH net-next v7 08/10] bpf: Add a Landlock sandbox example

From Mickaël Salaün <mic@digikod.net>
Newsgroups linux.kernel
Subject Re: [PATCH net-next v7 08/10] bpf: Add a Landlock sandbox example
Date 2017-09-02 15:30 +0200
Message-ID <ulgEN-3us-3@gated-at.bofh.it> (permalink)
References <ugIBH-5t8-1@gated-at.bofh.it> <ugIBI-5t8-17@gated-at.bofh.it> <ukRn4-2DU-15@gated-at.bofh.it>
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On 01/09/2017 12:25, Alban Crequy wrote:
> Hi Mickaël,
> 
> On 21 August 2017 at 02:09, Mickaël Salaün <mic@digikod.net> wrote:
>> Add a basic sandbox tool to create a process isolated from some part of
>> the system. This sandbox create a read-only environment. It is only
>> allowed to write to a character device such as a TTY:
> ...
>> +       /*
>> +        * This check allows the action on the file if it is a directory or a
>> +        * pipe. Otherwise, a message is printed to the eBPF log.
>> +        */
>> +       if (S_ISCHR(ret) || S_ISFIFO(ret))
>> +               return 0;
> 
> 
> The comment says "directory", but the code checks for "character device".
> 
> Thanks!
> Alban
> 

Fixed, thanks!

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Re: [PATCH net-next v7 08/10] bpf: Add a Landlock sandbox example Alban Crequy <alban.crequy@gmail.com> - 2017-09-01 12:30 +0200
  Re: [PATCH net-next v7 08/10] bpf: Add a Landlock sandbox example Mickaël Salaün <mic@digikod.net> - 2017-09-02 15:30 +0200

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