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Graph/so-79469717

Question

so-79469717

so-79469717

so-79469717

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DESCRIBESProblem

Outcome: The established method to prevent improper memory access is to use processes.

DESCRIBESProblem

is it possible to forbid (via gcc/any other compiler options, valgrind-like tool or anything else you can think of) the function `foo_written_by_student` to do illegal memory access — in a code like this. Tension: to recover a variable `token`.

DESCRIBESProblem

int a[10]; printf("%d", a[11]);. Tension: why is out of bound memory access controlled by language implementation like Rust and not by OS ? Outcome: To prevent object reuse leakage, operating systems clear (that is, overwrite) all space to be reassigned before allowing the next user to access it.

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