On Thursday, February 20, 2025 at 10:52:49 AM PST, paul.kimpel--- via cctalk <[email protected]> wrote:
> What is the problem with ISRs running in a user stack? The ISR runs, exits, > the stack is cut back, > and net effect on the user's stack is zero. In general, since the user can write their own address space, a concurrent thread can attack return-addresses on the user-address-space stack, thus causing the privileged interrupt handler to exit arbitrary code.
