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SubjectRe: Changing argv[0] under Linux.

Raúl wrote:
> That's good, but I would like to avoid to mount procfs:
> what if the mount point '/proc' doesn't exist?
> If you create it, you must mount root rw and remount ro
> again,

Surely that is an admin problem to make sure that /mount
exists on the root fs. When your messing with something as
fundamental as init you should be able to insist on this.

It is easy to do a mount() system call, the rootfs can be ro.

> What if /proc/self/exe is not part form procfs,
> but from some evil user ;))

Would the user not need root privilegdes to mess with /proc?
Is there any good reason why init should not be executable
by root only?


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