check range of PICK before accessing stack#1
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evilotto wants to merge 1 commit intoFourmilab:masterfrom
Open
check range of PICK before accessing stack#1evilotto wants to merge 1 commit intoFourmilab:masterfrom
evilotto wants to merge 1 commit intoFourmilab:masterfrom
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memcheck doesn't validate the range of PICK at all before accessing, so something trivial like
would segfault. This change validates the argument before accessing the stack. Also validates the argument to ROLL as unsigned before accessing, so that
is caught as underflow.