On Tue, 2004-11-16 at 13:07 -0600, Timur Tabi wrote: > Arjan van de Ven wrote: > > > ewwww why do you need to find sys_read ???????? > > > > or call it ??? > > It's a long story. We do the same thing the infiniband driver does. > Because of a bug in the VM with respect to get_user_pages(), we need to > call sys_mlock(). The bug's been fixed in 2.6, but we're stuck with > sys_mlock() in 2.4. To find sys_mlock(), we scan memory for the > addresses of known sys_xxx functions, and extrapolate the address for > sys_mlock() that way. Remind me to never run your module... that's one nice security hole ;) -- -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
