Re: [PATCH] allow execve'ing "/proc/self/exe" even if /proc is not mounted

[Denys Vlasenko]

On Thu, Jun 25, 2009 at 10:10 AM, Alan Cox<alan@xxxxxxxxxxxxxxxxxxx> wrote:
>> With this patch, it is possible to execute /proc/self/exe
>> even if /proc is not mounted. In the below example,
>> ./sh is a static shell binary:
>
> What if the user has procfs mounted somewherelse, what if they are in a
> chroot where you don't want them to patch the binary and re-exec it ?
>
> It would be far far cleaner for NOMMU to have a NOMMU private "reexec()"
> call that didn't rely on procfs or hacking names into the kernel.
>
> So NAK

I am ok with it. Are other people ok with adding a syscall
just for this purpose? Al?
--
vda
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