* Eugene L. Vorokov <[EMAIL PROTECTED]> [010713 01:33] wrote:
> Forgot to Cc: here:
>
> > You can't call kernel strlen on a userland address, you must do
> > something like this:
>
> How so ? It seems to work for me. For instance, I used userland
> address space buffer to simulate __getcwd() syscall on the current
> process (I was hacking open() syscall and log full path of the file
> to the syslog). I simulate mmap() with MAP_ANON and fd == -1 on
> that process, then I do __getcwd() to the buffer allocated, and
> then I'm very well able to call strlen() on that userland buffer,
> as well as other str* functions. So generally I think it works.
It may work on i386+freebsd right now, but if kernel address != user
address it will break.
Your code is wrong.
--
-Alfred Perlstein [[EMAIL PROTECTED]]
Ok, who wrote this damn function called '??'?
And why do my programs keep crashing in it?
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