Ed J wrote on 13/06/2008 04:14:24 AM: > We just opened APAR OA25468 against z/OS UNIX. If you run with REFRPROT > in PROGxx, you can be hit by this. > > IIUC, z/OS UNIX fork processing uses the OC instruction, while in PSW > key zero, to WRITE on EVERY PAGE of EVERY MODULE in the private area of > the address space! (Who designed this???!) > > That's the scary part.
Be careful what you ask for - they're just as likely to do something along the lines of following, and bypass REFRPROT all the time ... <quote> | Note that debuggers, such as TSO TEST and UNIX debugging | environments, will override REFRPROT protection for particular TCBs so | that they can modify module storage in order to set breakpoints. </quote> Shane ... ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html

