On Mon, 2006-06-19 at 16:18 -0400, Elad Lahav wrote: > Security considerations set aside, is it possible to run kernel code > with a user-supplied stack? not really; just think of what happens when that stack page ends up residing in swap... where do you get the stack space from to swap the page back in ? ;-) > I would like to use the stack of the current process to execute a system > call, in order to bypass the 4K kernel stack-size restriction how would a user supplied stack fix that? (hint: even if you user-supply it it'll still be 4Kb in size ;=) > and to > override some problems with copy_from_user. can you expand on this? -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
