Messages in this thread |  | | | From | Mike Frysinger <> | | Date | Fri, 26 Jun 2009 09:26:30 -0400 | | Subject | Re: [PATCH] allow execve'ing "/proc/self/exe" even if /proc is not mounted |
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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 -mike
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