Hi, We are looking into a way of implementing a fast-kprobe that allows users to instrument an instruction in function bodies without a trap even when that address cannot be jump optimized with existing techniques. We were initially interested in these optimizations for our KCFI project [1], but would like to ask if others have use cases that could benefit from a more general kprobe optimization (e.g., for instructions that may be call sites, RIP-relative instructions, others that can't be boosted...).
[1]: https://lpc.events/event/17/contributions/1591/ Best, Jinghao
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