Messages in this thread | | | Date | Mon, 5 Sep 2022 10:57:58 -0400 | From | Steven Rostedt <> | Subject | Re: CONFIG_RETHUNK int3 filling prevents kprobes in function body |
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On Sun, 4 Sep 2022 23:07:13 +0900 Masami Hiramatsu (Google) <mhiramat@kernel.org> wrote:
> Can we use another instruction for padding instead of INT3? (e.g. NOP or UD2) > > Or, can I expect the instruction length in __return_sites[] are always 5? > If so, I can just skip 5 bytes if the address is in __return_sites[].
Perhaps another option is to have a table of where the padding is placed (tagged), and that kprobes could check to see if the int3 is due to this padding or not?
-- Steve
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