hi ya > Also, when you look at how memory is laid out, having two stacks > is problematic. Under linux, it looks like this: > > -------- ------- > | KERNEL | | stack | <---- grows downward > |--------| ------- > | | > | user | ----> ------- > | | | brk | <---- grows upward > -------- -------
http://www.cse.ogi.edu/DISC/projects/immunix/StackGuard/usenixsc98_html/node5.html kernel security patches/additions... http://www.Linux-Sec.net/Harden/kernel.gwif.html have fun alvin http://www.Linux-Sec.net > Stacks, in general, grow downward. So you'd need to further > split the process memory area, leaving even less precious > address space for malloc and friends. Even if you could make one > grow upward (PowerPC, for example, doesn't know about the stack) > you'd have to worry about collisions again. .... -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
