On 12/3/2013 1:59 PM, Ray Overby wrote:
flawed function code validation - If you pass a negative number or a large positive number you can control where the SVC branches to. I have seen these types of problems "in the wild" where I was able to branch to a private area where any code you wanted could be executed.
BTDTGTTS - long ago I "discovered" how to kill two flies with one stone - in the example, change the test to CL R1,=F'8' - after that, extraneous bits may be tested with an EX R1,
Gerhard Postpischil Bradford, Vermont ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
