Re: [oss-security] [patch] proc.5: tell how to parse /proc/*/stat correctly

Tavis Ormandy
2022-12-28T02:00:33Z

On 2022-12-28, Lyndon Nerenberg (VE7TFX/VE6BBM) wrote:
> Dominique Martinet writes:
>
>> But, really, I just don't see how this can practically be said to be parsable...
>
> In its current form it never will be. The solution is to place
> this variable-length field last. Then you can "cut -d ' ' -f 51-"
> to get the command+args part (assuming I counted all those fields
> correctly ...)
>
> Of course, this breaks backwards compatability.
>

I think that cut command doesn't handle newlines, you probably need cut
-z, which looks a bit hacky to me. There already is 'ps -q $$ -o comm=',
of course, and that works fine - as well as libprocps.

I don't know, I think just adding the strrchr note seems acceptable.

Tavis.

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