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    SubjectRe: [PATCH] allow execve'ing "/proc/self/exe" even if /proc is not mounted
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    On Fri, Jun 26, 2009 at 3:26 PM, Mike Frysinger<vapier.adi@gmail.com> wrote:
    > On Fri, Jun 26, 2009 at 04:00, Denys Vlasenko wrote:
    >> On Thu, Jun 25, 2009 at 10:10 AM, Alan Cox 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?
    >
    > please try a custom binfmt first

    I did not understand you.
    --
    vda


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